Samsung RH2777AT Service manual

Samsung Error Code Booklet
Introduction
Welcome to the new Samsung Error Code Booklet,
for our repair network.
This booklet has been designed to offer on site assistance for fault
code analysis across the whole Samsung Air Conditioning range.
Split Systems AC
Cassette System AC
Ducted System AC
Free Joint Multi AC
Please use this book when attending Service Calls
as it will assist you with the next steps
on how to diagnose the system problem.
Should you need any further assistance please call
Technical Support on
1300 887 660 Option 1.
Split Type Error Codes
12-2-1 Communication Error
Indoor Display



Communication error
Outdoor Display



1 min. Time out Comm.






Abnormal Communication
12-2-2 Indoor Temperature Sensor Error
Indoor Display



Indoor room temp sensor error
12-2-3 Indoor Heat Exchanger Temperature Sensor Error
Indoor Display



Indoor Eva-in temp sensor error
12-2-5 DC-Link Voltage Sensor Error
Indoor Display



Outdoor error
Outdoor Display



DC-link voltage sensor error
12-2-6 Indoor Fan Motor Speed Detecting Error (BLDC Fan)
Indoor Display



Indoor fan error
12-2-7 Outdoor Temtperature Sensor
Indoor Display



Outdoor error
Outdoor Display



Outdoor temperature sensor error
LED 1 = Operation / LED 2 = Timer / LED 3 = S-Plasma Ion  : Off  : Blink  : On
12-2-8 Outdoor Coil Temperature Sensor Error
Indoor Display



Outdoor error
Outdoor Display



Outdoor coil temperature sensor error
12-2-9 Outdoor Discharge Temperature Sensor Error
Indoor Display



Outdoor error
Outdoor Display



Outdoor discharge temperature sensor error
12-2-10 Outdoor Discharge Over Temperature Error
Indoor Display



Outdoor error
Outdoor Display



Outdoor discharge over temperature error
12-2-11 Outdoor Fan Motor Error
Indoor Display



Outdoor error
Outdoor Display



Outdoor fan error
12-2-12 Compressor Starting Error
Indoor Display



Outdoor error
Outdoor Display



Comp starting error
LED 1 = Operation / LED 2 = Timer / LED 3 = S-Plasma Ion  : Off  : Blink  : On
12-2-13 Compressor Wire Missing Error/Rotation Error
Indoor Display



Outdoor error
Outdoor Display



Compressor wire missing error/rotation error
12-2-14 O.C.(Over Current) Error
Indoor Display



Outdoor error
Outdoor Display



Comp starting error
12-2-16 DC-Link Voltage Under/Over Error,
Over Voltage Protection Error/PFC Over Load
Indoor Display



Outdoor error



DC-link voltage under/over error
Over voltage protection error
PFC overload
Outdoor Display
12-2-17 I-Trip Error, PFC Over Current
Indoor Display



Outdoor error
Outdoor Display



I-trip error, PFC over current
12-2-18 Current Sensor Error/Input Current Sensor Error
Indoor Display



Outdoor error
Outdoor Display



Current sensor error/Input current sensor error
LED 1 = Operation / LED 2 = Timer / LED 3 = S-Plasma Ion  : Off  : Blink  : On
12-2-19 Heatsink Sensor Error/Heatsink Over Heat
Indoor Display



Outdoor error
Outdoor Display



Heatsink sensor error



Heatsink over heat error
12-2-20 Comp V Limit Error/Comp Current Limit Error
Indoor Display



Outdoor error
Outdoor Display



Comp Vlimit error/Comp current limit error
12-2-21 EEPROM Error/OTP Error
Indoor Display



Outdoor error
Outdoor Display



EEPROM error



OTP error
12-2-22 AC Zero Cross Signal Error
Indoor Display



Outdoor error
Outdoor Display



AC zero cross signal error
12-2-23 Operation Condition Secession Error
Indoor Display



Outdoor error
Outdoor Display



AC zero cross signal error
LED 1 = Operation / LED 2 = Timer / LED 3 = S-Plasma Ion  : Off  : Blink  : On
12-2-24 Capacity Miss Match Error
Indoor Display



Outdoor error
Outdoor Display



Capacity miss match error
12-2-25 Gas Leak Error
Indoor Display



Outdoor error
Outdoor Display



Gas leak error
12-2-26 IPM Over Current (O.C)
Outdoor Display



IPM Over Current (O.C)
12-2-27 Option Code Error
Indoor Display



All LED’s are flashing on the indoor unit
LED 1 = Operation / LED 2 = Timer / LED 3 = S-Plasma Ion  : Off  : Blink  : On
Cassette Error Codes
4-2-1 Four directions cassette type
Error mode
Product operation with error
Cause
Operation
Outdoor
heat
exchanger
fan
Indoor heat
exchanger
fan
Outdoor
Display
Timer
Filter
X
X
X
Power reset
-
Operationoff
Operationoff
Operationoff
-
X
X
Error of room
temperature sensor
in the indoor unit
(open/short)
- Check indoor temperature connection.
- Check indoor temperature sensor’s resistance
value to see if it’s short/open
Operationoff
Operationoff
Operationoff
page 4-17
X
X
Error of heat
exchanger IN/OUT
sensor in the indoor
unit (Open/Short)
- Check EVA IN/OUT sensor connection.
- Check EVA IN/OUT sensor’s resistance value to
see if it’s short/open.
Operationoff
Operationoff
Operationoff
page 4-18
X
Error of fan motor in
the Indoor unit
- Check the connection of motor connector.
- Check the speed of the motor fan
Operationoff
Operationoff
Operationoff
page 4-19
X
Error of the outdoor
temperature sensor
Error of the
condenser
temperature sensor
Error of the
discharge
temperature sensor
- Check indoor temperature sensor connection.
- Check indoor temperature sensor’s resistance
value to see if it’s short/open.
Operationoff
Operationoff
Operationoff
-
X
No communication
for 2 minutes
between indoor
and outdoor unit
(communication
error for more than
2 minutes)
- Check connection between indoor and outdoor
heat exchanges’ communication cables
Operationoff
Operationoff
Operationoff
page 4-20
Error of outdoor unit
- Check error occurred with outdoor heat
exchanger
Operationoff
Operationoff
Operationoff
-
Detection of the
float switch
- Check float switch connection.
- Check whether the drain has been filled with
water.
Operationoff
Operationoff
Operationoff
page 4-21
EEPROM error
- Check if there is damage with EEPROM
component.
Operationoff
Operationoff
Operationoff
page 4-22
EEPROM option
error
- Check the indoor model to set the options.
- Inspection for match between indoor and
outdoor machine models.
Operationoff
Operationoff
Operationoff
-
X
X
X
X
X
Outdoor
heat
exchanger
compressor
Defrost
X
X
Measures
X
X
 : On
: Blink X : Off
4-2-4 Troubleshooting for Outdoor Unit
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB.
LED Display
Red
Green
Yellow
Displayed PCB
Assy
Meaning
Remarks
-



MAIN/INVERTER
Normal operation
(MAIN : IndoornOutdoor : Green ON)
(INVERTER : MAIN PCBnINVERTER PCB : Green ON)
1



MAIN
Refer to Service
Manual for more
information
Check indoor quantity
setting in outdoor
(Refer to page 17.)
2






MAIN/INVERTER
Abnormal state, no communication between Indoor
and Outdoor Main PCB
Check electrical
connection and setting
1min. Time out of communication error
(MainnInverter)
Check electrical
connection and setting
Check Outdoor sensor
Open/Short
Check Cond. sensor
Open/Short
Check Discharge
sensor Open/Short
Check OLP sensor
Open/Short
No.
Unit quantity miss matching between indoor and
outdoor.
3



MAIN/INVERTER
4



MAIN
Outdoor temp sensor error
5



MAIN
Cond. temp sensor error
6



MAIN
Discharge temp sensor error
7



MAIN
OLP Sensor Error
8



MAIN
Detection of Outdoor Freezing when Comp. Stop
9



MAIN
Protection of Outdoor Overload when Comp. Stop
10



MAIN
Discharge temperature of a compressor in an
outdoor unit is overheated.
11



MAIN
Heating operation is not available since the outdoor
air temperature is over 30°C.
Cooling operation is not available since the outdoor
air temperature is lower than -5°C.
12



MAIN/INVERTER
Outdoor unit BLDC Fan 1 or Fan 2 error
13



MAIN/INVERTER
Comp. Starting error
14



MAIN
Primary Current Trip error
15



MAIN
Over current trip / PFC over current error
16



MAIN/INVERTER
IPM(IGBT Module) Over Current(O.C)
17



MAIN/INVERTER
Comp. Over load error
18



MAIN/INVERTER
DC-Link voltage under/over error
19



MAIN/INVERTER
Comp. wire missing error
20



MAIN/INVERTER
Current sensor error
21



MAIN
Outdoor EEPROM error
22



MAIN/INVERTER
IPM(IGBT Module) or PFCM Temperature sensor
Error
23



MAIN/INVERTER
PFC Overload Error
24



MAIN/INVERTER
IPM is over heated.
Check Outdoor Cond.
Check Comp. when
it start
Refer to Service
Manual for more
information
Error
Code
-
E201
E202
E203
E221
E231
E251
E320
E403
E404
E416
Heating
E440
Cooling
E441
FAN1 error
FAN2 error
Refer to Service
Manual for more
information
Refer to Service
Manual for more
information
E458
E475
Check OLP sensor
E463
Refer to Service
Manual for more
information
Refer to Service
Manual for more
information
Check AC Power or
DC-Link voltage
Check Comp. wire
Check Outdoor Inverter
PBA
Check Outdoor
EEPROM date
Check Outdoor Inverter
PBA
Check Outdoor Inverter
PBA
Check Outdoor Inverter
PBA
E461
E462
E464
E465
E466
E467
E468
E471
E474
E484
E500
 : Off  : Blink  : On
4-2-4 Troubleshooting for Outdoor Unit Cont.
LED Display
Red
Green
Yellow
Displayed PCB
Assy
25



MAIN
26



MAIN
Capacity miss match between indoor and outdoor
MAIN
Option code miss matching among the indoors
(only for DPM)
No.
27



Meaning
Error
Code
Remarks
GAS Leak error
Check indoor and
outdoor unit model
Check indoor and
outdoor unit model
Check indoor option
code
E554
E556
E557
 : Off  : Blink  : On
4-2-5 Wired Remote Controller
- If an error occurs, (
) icon will be displayed on the wired remote controller.
- Press the Test button to see the error code.
Error
mode
Product operation
in error condition
Contents
Measure
Outdoor unit/
Compressor/
Indoor unit
Error type
101
Indoor unit communication error
Check the communication cable of indoor unit.
Check the DC output voltage at the
communication terminal
Operation Off
Communication
error
102
Indoor unit/outdoor unit communication
time-out error: errors in more than 6
packets
Check the outdoor communication cable
connection.
Check DC output voltage and the
communication terminal
Operation Off
Communication
error
121
Indoor temperature sensor (open/short
error)
Check indoor unit room temperature sensor.
Check indoor unit PCB connector CN41 (White)
Operation Off
Indoor sensor
error
122
Indoor unit Eva In sensor (Open/Short)
Check indoor unit pipe sensor.
Check indoor PCB connector CN41(White)
Operation Off
Indoor sensor
error
128
Indoor unit Eva In sensor disconnection
Check the disconnection of indoor unit pipe
sensor
Operation Off
Indoor sensor
error
129
Indoor unit EVA Out Sensor Separation
Refer to Service Manual for more information
153
Indoor floating switch secondary detection
Check indoor unit float sensor.
Check indoor PCB connector CN5 (black)
Operation Off
Self diagnostic
error
201
Unit Miss Match Indoor / Outdoor
Refer to Service Manual for more information
202
Indoor/outdoor communication error (1 min)
Check the communication connection between
indoor and outdoor units. Check the power line
and communication cable connection status
Operation Off
Communication
error
203
Communication error between indoor/
outdoor INVnMAIN MICOM (1 min)
Check MAIN MICOM
Check INVERTER MICOM
-
Communication
error
221
Outdoor temperature sensor error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
231
Cond Temp Sensor Error
Refer to Service Manual for more information
237
COND temperature sensor error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
251
[Inverter] Emission temperature sensor
error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
320
OPL Sensor Error
Refer to Service Manual for more information
403
Detection of Outdoor Freezing When
Compressor Stop
Refer to Service Manual for more information
4-2-5 Wired Remote Controller Cont.
Product operation
in error condition
Error
mode
Contents
Measure
Outdoor unit/
Compressor/
Indoor unit
Error type
404
Protection of Outdoor Overload When
Compressor Stop
Refer to Service Manual for more information
419
EEV Open Error
Refer to Service Manual for more information
422
EVV Close Error
Refer to Service Manual for more information
425
Power Cable Miss Connection
Refer to Service Manual for more information
440
Heating operation blocked
Check the operation setting state
Check temperature sensor
Operation Off
Self diagnostic
error
441
Cooling operation blocked
Check the operation setting state
Check temperature sensor
Operation Off
Self diagnostic
error
461
[Inverter] Compressor startup error
Check the compressor connection status
Check the resistance between difference
phases of the compressor
Operation Off
Outdoor unit
protection
control error
462
[Inverter] Total current error/PFC over
current error
Check the input power
Check the coolant charging status
Check the normal operation of outdoor fan
Operation Off
Outdoor unit
protection
control error
463
OLP Heat Sink Sensor Error
Refer to Service Manual for more information
464
[Inverter] IPM over current error
Check coolant charging
Check the compressor connection status and
normal operation
Check the obstacles around the indoor and
outdoor units Check whether the outdoor unit
service valve is open
Check whether the indoor/outdoor installation
pipe/ wiring are correct
Operation Off
Outdoor unit
protection
control error
465
Compressor V limit error
Check the compressor connection status
Check the resistance between difference
phases of the compressor
Operation Off
Outdoor unit
protection
control error
466
DC LINK over/low voltage error
Check input power
Check AC power connection
Restart in 3 minutes
Outdoor unit
protection
control error
467
[Inverter] Compressor rotation error
Check the compressor connection status
Check the resistance between difference
phases of the compressor
Operation Off
Outdoor unit
protection
control error
468
[Inverter] Current sensor error
Check EEPROM DATA
Check the normal operation of PCB
Operation Off
Outdoor unit
protection
control error
469
[Inverter] DC LINK voltage sensor error
Check the input power connection
Check the status of RY21 and R200 in the
INVERTER PCB
Operation Off
Outdoor unit
Protection
control error
471
[Inverter] OTP error
Check EEPROM DATA
Check the normal operation of PCB
Operation Off
Outdoor unit
protection
control error
472
AC ZERO CROSSING SIGNAL OUT error
Check the input power status
Operation Off
Outdoor unit
protection
control error
473
Compressor LOCK error
Check the compressor connection status
Check the resistance between difference
phases of the compressor
Operation Off
Outdoor unit
protection
control error
474
Heat Sink Sensor Error
Refer to Service Manual for more information
4-2-5 Wired Remote Controller Cont.
Product operation
in error condition
Error
mode
Contents
Measure
475
Outdoor fan 2 error
Check the input power connection status
Check the connection status of the motor and
the outdoor unit PCB Check the indoor/outdoor
unit fuse
484
PFC Overload Error
Refer to Service Manual for more information
485
Input Current Sensor Error
Refer to Service Manual for more information
500
Heat Sink Over Heat Error
Refer to Service Manual for more information
554
Gas leak error
Check the coolant charging status
Check the indoor EVA sensor
Check if the outdoor unit service value is open
Check that the indoor/outdoor installation pipe/
wiring are correct
557
Option Code Miss Match Indoor Units
Refer to Service Manual for more information
601
Communication error between the indoor
unit and wired remote controller
602
Outdoor unit/
Compressor/
Indoor unit
Error type
Operation Off
Self diagnostic
error
Operation Off
Self diagnostic
error
Check the connection wire between the indoor
unit and the wired remote controller
Normal operation
Wired remote
controller error
Communication error between the Master
and Slave wired remote controllers
Check the option switch for defining the Master
and Slave (only one Master and one Slave
can exist)
Normal operation
Wired remote
controller error
606
COM1/COM2 cross installation error
Check that wired remote controller is connected
to the COM2 terminal of the indoor unit
Normal operation
Wired remote
controller error
EA
Wired remote controller COM2 option
setting error
Check that Com1, Com2 setting DIP switch is
set to Com2
Normal operation
Wired remote
controller error
Wired Remocon Error Display
- If an error occurs,
is displayed on the wired remote controller.
- If you would like to see an error code, press the Test button.
Display
Explanation
101
Indoor unit Communication Error
102
Indoor/Outdoor unit Communication Time Out Error 60 Packet Over data
201
Indoor unit is not connected
203
Communication Error between Outdoor Main and Inverter Micom
(Occurred after 1 minute detection in Main and Inverter)
121
Indoor Temp. Sensor(Open/Short Error)
122
Indoor Unit Eva in Sensor(Open/Short Error)
128
Indoor Unit Eva in Sensor Separation
221
Outdoor Temp. Sensor Error(Open/Short Error)
237
COND Temp. Sensor Error(Open/Short Error)
251
Inverter Compressor Discharge Temp. sensor Error(Open/Short Error)
425
Power cable miss connection error
153
Indoor Float Switch 2nd Detection
460
Outdoor unit - indoor unit communication wire miss connection
(Connected to Power terminal)
554
Outdoor unit refrigerant Full leakage(Gas leak)
458
Outdoor Fan 1 Error
475
Outdoor Fan 2 Error
416
Discharge over temperature
461
[Inverter] Compressor starting error
462
Primary Current Over Trip error
464
[Inverter]IPM Over Current(O.C)
467
[Inverter] Compressor Rotation error
468
[Inverter] Current Sensor error
469
[Inverter] DC LINK Sensor error
471
[Inverter] EEPROM Read/Write Error
474
[Inverter] Heatsink temperature over Error
556
Outdoor unit Capacity Setup option error
601
Communication error between Indoor unit and wired remote control
602
Communication error between Master and Slave wired remote control
606
COM1/COM2 Cross-installed error
EA
Error of setting option for wired remote control COM2
Remark
Communication Error
Indoor Sensor Error
Outdoor Sensor Error
Self Diagnosis Error
Outdoor Unit
Protection Control Error
Outdoor Unit Protection Control Error
Wired remote control error
Ducted Outdoor Unit Error Display
- If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB.
No.
1
Error Code
E201
Meaning
Remarks
Unit quantity miss matching between indoor and outdoor.
Check indoor quantity setting in outdoor
(Refer to page 17.)
2
E202
Abnormal state, no communication between Indoor and Outdoor Main PCB
Check electrical connection and setting
3
E203
1min. Time out of communcation error(MainnInverter)
Check electrical connection and setting
4
E221
Outdoor temp sensor error
Check Outdoor sensor Open/Short
5
E231
Cond. temp sensor error
Check Cond. sensor Open/Short
6
E251
Discharge temp sensor error
Check Discharge sensor Open/Short
7
E320
OLP Sensor Error
Check OLP sensor Open/Short
8
E403
Detection of Outdoor Freezing when Comp. Stop
Check Outdoor Cond.
9
E404
Protection of Outdoor Overload when Comp. Stop
Check Comp. when it start
E416
Discharge temperature of a compressor in an outdoor unit is overheated.
Refer to Service Manual for more
information
E440
Heating operation is not available since the outdoor air temperature is
over 30°C.
Heating
E441
Cooling operation is not available since the outdoor air temperature is
lower than -5°C.
Cooling
10
11
E458
12
FAN1 error
Outdoor unit BLDC Fan 1 or Fan 2 error
E475
FAN2 error
13
E461
Comp. Starting error
Refer to Service Manual for more
information
14
E462
Primary Current Trip error
Refer to Service Manual for more
information
15
E463
Over current trip / PFC over current error
Check OLP sensor
16
E464
IPM(IGBT Module) Over Current(O.C)
Refer to Service Manual for more
information
17
E465
Comp. Over load error
Refer to Service Manual for more
information
18
E466
DC-Link voltage under/over error
Check AC Power or DC-Link voltage
19
E467
Comp. wire missing error
Check Comp. wire
20
E468
Current sensor error
Check Outdoor Inverter PBA
21
E471
Outdoor EEPROM error
Check Outdoor EEPROM date
22
E474
IPM(IGBT Module) or PFCM Temperature sensor Error
Check Outdoor Inverter PBA
23
E484
PFC Overload Error
Check Outdoor Inverter PBA
24
E500
IPM is over heated.
Check Outdoor Inverter PBA
25
E554
GAS Leak error
Check indoor and outdoor unit model
26
E556
Capacity miss match between indoor and outdoor
Check indoor and outdoor unit model
FJM Indoor Unit Error Display
for AQV models please refer to the Split Type Error Codes
MH h h h FVEA/MH h h h FBEA/MH h h h FAEA
Display
Explanation
Main Checking Point / Remark
E1 n 01
Communication error (unable to receive data)
Communication cable connection
E1 n 02
Communication error (outdoor cannot communicate)
Another indoor unit or indoor PCB
E1 n 21
Indoor unit room temperature sensor error (Open/Short)
Room temperature sensor, indoor PCB
E1 n 22
Indoor unit heat exchanger in temperature sensor error (Open/Short)
Heat exchanger in sensor, indoor PCB
E1 n 23
Indoor unit heat exchanger out temperature sensor error (Open/Short)
Heat exchanger out sensor, indoor PCB
E1 n 28
Indoor unit heat exchanger in temperature sensor detached
Heat exchanger in sensor
E1 n 29
Indoor unit heat exchanger out temperature sensor detached
Heat exchanger out sensor
E1 n 30
Indoor unit heat exchanger in & out temperature sensor detached
Heat exchanger in & out sensor
E1 n 53
Indoor unit float switch second detection
Refer to Service Manual for more information
E1 n 54
Indoor unit fan motor malfunction
Fan motor and cable
E1 n 61
More than 2 indoor units cool and heat simultaneously
Another indoor unit operation mode
E1 n 62
EEPROM error
Indoor PCB
E1 n 63
Option code setting error
Option code
E1 n 85
Cable miss-wiring
Cable connection (Indoor & Outdoor unit)
E1 n 86
MPI error malfunction
MPI
E2 n 01
The number of indoor unit mismatched
Cable connection (another indoor unit & outdoor
unit), SW01(outdoor)
E2 n 51
Compressor discharge sensor error(Short/Open)
Outdoor unit
E2 n 59
Outdoor unit error
Outdoor unit (Error code)
MH h h h FVEA/MH h h h FBEA/MH h h h FAE A
Indicators
Description
Main Checking Point
Operation
Indoor unit room temperature sensor error
(open or short)
Timer

Indoor unit heat exchanger temperature sensor error
(open or short)
Indoor fan motor malfunction


Turbo

Refer to Service Manual for
more information

Refer to Service Manual for
more information
Refer to Service Manual for
more information
EEPROM error
Option Setting
Option error
(option wasn’t set up or option data error)
Option Setting
Outdoor unit error
Indoor unit communication error

Simultaneous operation error
 : On,
: Flickering, X: OFF
u If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Refer to Service Manual for
more information
X
Outdoor unit communication error
X

Remote Control on/off
Outdoor Unit Power Reset
Refer to Service Manual for
more information
Refer to Service Manual for
more information
FJM Indoor Unit Error Display
for AQV models please refer to the Split Type Error Codes
MH h h h FSEA/MH h h h FMEA
Indicators
Abnormal Conditions
Green
Red
Yellow
Green
Orange
X
X
X
X
Refer to Service Manual for
more information
X
X
X
Refer to Service Manual for
more information
X
X
X
Refer to Service Manual for
more information
X
X
Refer to Service Manual for
more information
X
X
X
Refer to Service Manual for
more information
X
X
X
Refer to Service Manual for
more information
X
Error of indoor unit:
Displayed on the indoor unit
regardless of operation
MH h h h FSEA
Operating
MH h h h FMEA
Power reset
Error of temperature sensor in indoor unit (OPEN/SHORT)
X
Error of heat exchanger sensor in indoor unit
Error of heat exchanger OUT sensor in indoor unit
Error of outlet temperature sensor in indoor unit
(OPEN/SHORT): For heat pump models only
Error of mixed operation
X
Error of indoor fan motor : Below 450RPM for 15 minutes
X
Error of outdoor temperature sensor
Error of CONDENSER sensor
Error of DISCHARGE sensor
1. No communication for 2 minutes between indoor unit
and outdoor unit (communication error for more than
2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from outdoor
unit due to the mismatching of the communication
numbers and installed numbers after completion of
tracking (communication error for more than
2 minutes)
X
X
1. 2nd detection of refrigerant completely leak
2. 2nd detection of high temperature CONDENSER
3. 2nd detection of high temperature DISCHARGE
4. Compressor down due to 6th detection of freezing
X
X
Error of float switch
X
X
Error of setting option switches for optional accessories
X
X
EEPROM error
EEPROM option error
 : On,
: Flickering, X: OFF
u If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
X
Displayed on appropriate
indoor unit which is
operating Displayed on
outdoor unit
Refer to Service Manual for
more information
X
Refer to Service Manual for
more information
X
X
Refer to Service Manual for
more information
Refer to Service Manual for
more information
FJM Indoor Unit Error Display
for AQV models please refer to the Split Type Error Codes
MH h h h FJEA
LED lamp display
Abnormal Conditions
Remarks
White
X
Refer to Service Manual for
more information
Power reset
X
X
Error of temperature sensor in the indoor unit (Open/
Short)
X
X
X
Error of heat exchanger sensor in the indoor unit
X
X
X
Refer to Service Manual for
more information
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
X
X
Refer to Service Manual for
more information
X
X
1. Indoor unit error (Display
is unrelated with
operation)
2. Outdoor unit error
(Display is unrelated
with operation)
X
X
Indoor motor fan error
X
Refer to Service Manual for
more information
X
Refer to Service Manual for
more information
X
1. No communication between indoor and outdoor unit
for 2 minutes
2. Error on the communication received from outdoor unit
3. Outdoor unit tracking time out (3 minutes)
4. Number of installation does not match after tracking
X
Indoor fan motor is non-operative
Indoor fan motor is operating slowly
Indoor fan motor is operates at an excessive speed
X
X
Simultaneous cooling/heating operation error
(Multi model only)
X
X
[Self diagnosis ]Power voltage detection between indoor
and outdoor unit communication cable
[Self diagnosis ]Outdoor unit refrigerant leakage(Gas leak)
[Self diagnosis ]Outdoor fan restriction error
[Inverter ]Inverter compressor operation failure
[Inverter ] DC peak error
[Inverter ]DC Link voltage 150V or less,410V or more
[Inverter ] Compressor rotation error
[Inverter ]Electric current error
[Inverter ]DC Link sensor error
[Inverter ]EEPROM READ/WRITE error
[Inverter ]Inverter zerocrossing error
Setting the outdoor unit capacity option error
EEPROM error
X
X
X
X
Refer to Service Manual for
more information
X
Refer to Service Manual for
more information
EEPROM option error
MPI no feedback error
 : On,
: Flickering, X: OFF
u If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Refer to Service Manual for
more information
X
X
X
X
Refer to Service Manual for
more information
FJM Indoor Unit Error Display
for AQV models please refer to the Split Type Error Codes
NJ h h h LHXEA/MH h h h FUEA
Indicators
Concealed Type
Abnormal Conditions
Power reset
Error of temperature sensor in indoor unit(OPEN/SHORT)
X
X
Refer to Service Manual for
more information
X
X
X
Displayed on appropriate
indoor unit which is
operating
X
X
X
Displayed on appropriate
indoor unit which is
operating
X
X
Refer to Service Manual for
more information
X
X
Displayed on appropriate
indoor unit which is
operating
Displayed on outdoor unit
X
1. Error of indoor unit :
Displayed on the indoor
unit regardless of
operation
2. Error of outdoor unit :
Displayed on the indoor
unit which is operating
X
X
Error of heat exchanger sensor in indoor unit
Error of heat exchanger OUT sensor in indoor unit
Error of outlet temperature sensor in indoor unit (OPEN /
SHORT): For heat pump models only
Error of mixed operation
X
Error of outdoor temperature sensor
Error of COND sensor
Error of DISCHARGE sensor
X
1. No communication for 2 minutes between indoor unit
and outdoor unit (communication error for more than
2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from outdoor
unit the mismatching of the communication numbers
and installed numbers after completion of tracking.
(communication error for more than 2 minutes)
X
X
Self-diagnostic error
(including the indoor unit not detected)
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. Breakaway of EVA OUT sensor
4. Breakaway of EVA IN sensor
5. Breakaway of COND MID sensor
6. 2nd detection of refrigerant completely leak
7. 2nd detection of high temperature COND
8. 2nd detection of high temperature DISCHARGE
9. COMP DOWN due to 2nd detection of low pressure
switch
10. Error of reverse phase
11. Compressor down due to 6th detection of freezing
12. Self-diagnosis of condensation sensor (G8, G9)
13. Compressor down due to condensation ratio control
X
X
Error of float switch
X
X
Error of setting option switches for optional accessories
X
X
EEPROM error
EEPROM option error
 : On,
: Flickering, X: OFF
Operating
Blue
Red
Standard Type
X
X
Displayed on
appropriate indoor unit
which is operating
Displayed on outdoor unit
Refer to Service Manual for
more information
X
Refer to Service Manual for
more information
X
X
Refer to Service Manual for
more information
Refer to Service Manual for
more information
FJM Outdoor Unit Error Display
Display
EXPLANATION
(The error indicated on the PCB display of outdoor unit)
REMARK
E1
01
Communiaction error (indoor unable to receive data)
Check electrical connection and setting
E1
02
Outdoor unit communication error (Abnormal data from indoor unit over 60 packet)
Check electrical connection and setting
E1
21
Indoor unit room temperature sensor error (Open/Short)
Refer to Service Manual for more information
E1
22
Indoor unit heat exchanger in temperature sensor error (Open/Short)
Refer to Service Manual for more information
E1
23
Indoor unit heat exchanger out temperature sensor error (Open/Short)
Refer to Service Manual for more information
E1
28
Indoor unit sensor error-Evaporator pipe in sensor - Self diagnosis
Refer to Service Manual for more information
E1
29
Indoor unit sensor error-Evaporator pipe out sensor - Self diagnosis
Refer to Service Manual for more information
E1
54
Indoor Unit FAN Error
Refer to Service Manual for more information
E1
61
More than two indoor units cool and heat simultaneously
Refer to Service Manual for more information
E1
62
Indoor Unit EEPROM Error
Refer to Service Manual for more information
E1
63
Indoor Unit EEPROM Option Error
Refer to Service Manual for more information
E1
90
Failure of pipe check operation
Check piping connection and setting
E1
99
No pipe check operation check - occasion : try to operation after the installation
through auto addressing mode without pipe check operation.
Check setting
E2
01
The number of Indoor unit mismatched
Check electrical connection and setting
E2
02
Communication error between the outdoor and indoor unit
Check electrical connection and setting
E2
03
Outdoor communication error between main PCB and sub PCB
Refer to Service Manual for more information
E3
21
Outside temperature sensor error (Short/Open) - Error level: over 4.9V (-50°C) under
0.4V (93°C)
Refer to Service Manual for more information
E2
37
Condenser temperature sensor error (Short/Open) - Error level: over 4.9V (-50°C)
under 0.4V (93°C)
Refer to Service Manual for more information
E2
46
Outdoor unit sensor error - Condenser out sensor (Short/Open) - Self diagnosis
Refer to Service Manual for more information
E2
51
Compressor Discharge temperature sensor error
Refer to Service Manual for more information
E2
61
Compressor discharge sensor detached - Self diagnosis
Refer to Service Manual for more information
E3
20
Compressor OLP sensor error (Short/Open) - Error condition : outdoor temperature
under -20°C - Error level : over 4.95V (-30°C) under 0.5V (151°C)
Refer to Service Manual for more information
E3
30
EvaIn1 Sensor Short/Open
Refer to Service Manual for more information
E3
31
EvaIn2 Sensor Short/Open
Refer to Service Manual for more information
E3
32
EvaIn3 Sensor Short/Open
Refer to Service Manual for more information
E3
33
EvaIn4 Sensor Short/Open
Refer to Service Manual for more information
E3
34
EvaIn5 Sensor Short/Open
Refer to Service Manual for more information
E3
35
EvaOut1 Sensor Short/Open
Refer to Service Manual for more information
E3
36
EvaOut2 Sensor Short/Open
Refer to Service Manual for more information
E3
37
EvaOut3 Sensor Short/Open
Refer to Service Manual for more information
E3
38
EvaOut4 Sensor Short/Open
Refer to Service Manual for more information
FJM Outdoor Unit Error Display Cont.
Display
E3
EXPLANATION
(The error indicated on the PCB display of outdoor unit)
REMARK
39
EvaOut5 Sensor Short/Open
Refer to Service Manual for more information
E4
01
Outdoor unit freezing(Compressor stop)
check pipe lenght, indoor unit filter, refrigerant
leakage/charge and service port
E4
04
Outdoor unit overload - Safety control(Compressor stop)
check pipe lenght, refrigerant leakage/charge
E4
16
Outdoor unit high discharge temperature - Safety control (Compressor stop)
check pipe lenght, refrigerant leakage/charge
E4
29
Outdoor unit EEV open (Stopped indoor unit’s) -Self diagnosis
Refer to Service Manual for more information
E4
22
Outdoor unit EEV open (operating indoor unit’s) -Self diagnosis
Refer to Service Manual for more information
E4
40
High temperature(over 30°C) of outdoor as heating mode
Refer to Service Manual for more information
E4
41
Low temperature(under -10°C) of outdoor as cooling mode
Refer to Service Manual for more information
E4
58
Outdoor Fan Error
Refer to Service Manual for more information
E4
60
Communication cable mismatched between indoor and outdoor unit
Check electrical connection
E4
61
Inverter compressor starting failure (5 times)
Refer to Service Manual for more information
E4
62
Compressor trip by input current control mode (PFC over current)
Refer to Service Manual for more information
E4
63
Compressor trip by OLP temperature control mode
Refer to Service Manual for more information
E4
64
Over current
Refer to Service Manual for more information
E4
65
Compressor Vlimit Error
Refer to Service Manual for more information
E4
66
DC link Voltage error (under 150V, over 410V)
Refer to Service Manual for more information
E4
67
Abnormal compressor running (Compressor Rotation Error)
Refer to Service Manual for more information
E4
68
Current sensor error
Refer to Service Manual for more information
E4
69
DC link Voltage sensor error
Refer to Service Manual for more information
E4
71
OTP Error
Refer to Service Manual for more information
E4
72
Inverter micom zero-crossing error
Refer to Service Manual for more information
FJM Option Codes & Static Pressure
MODEL NUMBER
OPTION CODE
MODEL NUMBER
OPTION CODE
MH020FNEA
026402-13225E-200000-300000
MH020FAEA
047402-1320E9-200000-300000
MH026FNEA
027402-14221A-200000-300000
MH026FAEA
047402-14221C-200000-300000
MH035FNEA
027402-16224d-200000-300000
MH035FAEA
047402-16233C-200000-300000
MH052FNEA
026402-19228F-200000-300000
MH052FAEA
047406-19223E-200000-300000
MH026FSEA
078605-1420F8-200000-300000
MH035FSEA
075605-16225d-200000-300000
MH023FBEA
016402-142209-200000-300000
MH026FBEA
MH035FBEA
016402-16223c-200000-300000
MH030FMEA
MH052FBEA
016406-19224E-200000-300000
MH035FMEA
MH020FVEA
007402-132219-200000-300000
MH052FMEA
045024-1940d0-200000-300000
MH026FVEA
004402-1420E7-200000-300000
MH026FJEA
087417-1400b6-200000-300000
MH035FVEA
007402-16221A-200000-300000
MH035FJEA
087417-1600d8-200000-300000
MH052FVEA
005406-19225E-200000-300000
MH052FJEA
087417-1900F9-200000-300000
TYPE
MALDIVES
045023-16415b-200000-300000
MODEL
Option Code
AQV07PSBN
011305-1740E9-271416-372500-03403D-112E3F
AQV09PSBN
011305-17421D-271921-372500-03403D-112E3F
AQV12PSBN
011305-17423D-272328-372500-034B46-11474D
AQV18PSBN
012305-17421D-27323C-372600-034743-113F47
AQV24PSBN
012305-17427B-27444E-378200-034C4B-104442
External Static Pressure (mmAq)
1.0
2.0(Standard)
3.0
4.0
NJ026LHXEA
015201-1400Fb
-200000-300000
015201-14020c
-200000-300000
015201-140360
-200000-300000
015201-1403A2
-200000-300000
NJ035LHXEA
015201-16025d
-200000-300000
015201-16026E
-200000-300000
015201-1603c4
-200000-300000
015203-160108
-200000-300000
External Static Pressure (mmAq)
0.0
2.0
4.0(Standard)
6.0
MH052FUEA
012221-194247
-200000-300000
012221-194360
-200000-300000
012221-1943A2
-200000-300000
012223-194105
-200000-300000
Split Type Option Code
MODEL NUMBER
OPTION CODE
MODEL NUMBER
OPTION CODE
AQ09WHWE
25025 700FB
SH12ZA6
007D25 17021D
AQ12WHWE
25025 70340
SH12ZK8
066025 172362
AS09BPAN
00A577 175247
SH12ZWH
25025 70340
AS12BPAN
014577 175267
SH18ZA6
094417 1A021D
AS18HM1
067013 17124E
SH24TA8
094617 1A023F
AS18HM2
067013 17024E
SH24TK6
085416 1D2362
AS18BPAN
02F777 175227
SH24ZS6A
0872D6 1DA362
AS24BPAN
03E777 175249
SH24ZW6
654D5 D0351
AS24HM1
067114 1D126E
SH30ZA2
0E5495 1D020A
AS24HM2
067114 1D026E
SH30ZC2
0E5495 1D020A
MH18ZA2
016223 1000EA
SH12ZAB
007227 17023F
MH26ZA2
017553 10021D
AQV09NSBN
084777 17522C
SC09ZA8
010000 1700D9
AQV12NSBN
094777 17524E
SC09ZK8
020000 17222E
AQV18NSBN
0AD777 17526E
SC09ZW8
25025 70340
AQV24NSBN
0BC777 17526E
SC12TK6
060000 172384
AQV09VBCN
044777 17520C
SC12ZA6
010000 17021D
AQV12VBCN
054777 17521D
SC18ZA6
090000 10021D
AQV18VBCN
06E777 17524E
SC24TA8
080000 1A0362
AQV24VBCN
07C777 17526E
SC24TK6
0A0000 1A2362
AQV30JAN
0E777 7522C
SC30ZC2
0E0000 1D020A or E54951D020A
AQV09VSCN
044777 17520C
SH09AW8
25025 70340
AQV12VSCN
054867 17524D
SH09BPH
0090A0 10022E
AQV18VSCN
06F677 17524E
SH09BWHA
05000 01340
AQV24VSCN
07C767 17526E
SH09VAD
006500 1010FB or 016500 1010FB
AQV24NSGN
0BF777 17528C
SH09ZA8
006825 1700D9
AQV09UWAN
43777 7D24C
SH09ZK8
027064 17221D
AQV12UWAN
53577 7D26C
SH09ZW8
25025 70340 or 25025 7022E
AQV18UWAN
6E777 7D21C
SH09ZWH
25025 700FB
AQV24UWAN
7F777 7D28C
SH12AWH
25025 70340
ASV09UWLN
41777 7D21D
SH12BPH
007090 110362
ASV12UWLN
51787 7D23D
SH12BWHA
05010 01351
ASV24UWLN
7B777 7D25C
SH12VAD
015212 10123F
AQV30UWAN
0E777 7D23C
MODEL NUMBER "Ducted"
OPTION CODE
MODEL NUMBER "Cassette"
OPTION CODE
NS100HHXEH
011034 15624F 276470 370000
NS0714PXEA
14077 560B6 74856 70000
NS125HHXEH
011034 156123 277D8C 370000
NS1004PXEA
14077 57239 76470 70000
NS140HHXEH
011034 116189 278CA0 370000
NS1254PXEA
14077 5723A 77D8C 70000
NS155HHXEH
011034 116189 279BAA 370000
NS1404PXEA
14077 5723B 78CA0 70000
NS180HHXEH
011034 1160C6 27B4D2 370000
NS071SDXEA
011037 11618C 274750 370010
TS Phone Number 1300 887 660 Option 1
for further assistance
Date Printed: