Samsung EMF 150-AM air conditioner Troubleshooting

Below you will find brief information for air conditioner EMF 150-AM. The EMF 150-AM is a powerful air conditioner that can cool and heat your home efficiently. It features a variety of settings to customize your comfort, and it's easy to use with its intuitive remote control.

PDF

Document

4. Troubleshooting
4-1 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
Contents
Measure
Product operation in
error condition
Outdoor unit/
Compressor/Indoor unit
Error type
Indoor unit communication
error
Check the communication cable of indoor unit. Check
the DC output voltage at the communication terminal
Operation Off
Communication
error
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
Indoor temperature sensor
(open/short error)
Check indoor unit room temperature sensor. Check
indoor unit PCB connector CN41 (White)
Operation Off
Indoor sensor
error
Indoor unit Eva In sensor
(Open/Short)
Check indoor unit pipe sensor. Check indoor PCB
connector CN41(White)
Operation Off
Indoor sensor
error
Indoor unit Eva In sensor
disconnection
Check the disconnection of indoor unit pipe sensor
Operation Off
Indoor sensor
error
Indoor floating switch
secondary detection
Check indoor unit float sensor. Check indoor PCB
connector CN5 (black)
Operation Off
Self diagnostic
error
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
Communication error between
indoor/outdoor INVlMAIN
MICOM (1 min)
Check MAIN MICOM
Check INVERTER MICOM
-
Communication
error
Outdoor temperature sensor
error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
COND temperature sensor error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
[Inverter] Emission temperature
sensor error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
Emission temperature
excessively high
No error (DISCHARGE temperature control)
-
Outdoor unit
protection
control error
Heating operation blocked
Check the operation setting state
Check temperature sensor
Operation Off
Self diagnostic
error
Cooling operation blocked
Check the operation setting state
Check temperature sensor
Operation Off
Self diagnostic
error
Outdoor fan 1 error
Check input power connection status
Check the connection status between the motor and
outdoor unit PCB
Check indoor/outdoor fuse
Operation Off
Self diagnostic
error
[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
[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
26
5&amp;0+;*$B60B(B$BLQGG
PDF
processed with CutePDF evaluation edition www.CutePDF.com
Samsung Electronics
Wired remote controller (cont.)
Product operation in
error condition
Error mode
Error type
Contents
Measure
[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
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Operation Off
Outdoor unit
protection
control error
Restart in 3 minutes
Outdoor unit
protection
control error
Compressor V limit error
Outdoor unit/
Compressor/Indoor
unit
DC LINK over/low voltage error
Check input power
Check AC power connection
[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
[Inverter] Current sensor error
Check EEPROM DATA
Check the normal operation of PCB
Operation Off
Outdoor unit
protection
control error
Check the input power connection
Check the status of RY21 and R200 in the INVERTER PCB
Operation Off
Outdoor unit
protection
control error
Check EEPROM DATA
Check the normal operation of PCB
Operation Off
Outdoor unit
protection
control error
Check the input power status
Operation Off
Outdoor unit
protection
control error
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Operation Off
Outdoor unit
protection
control 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
Operation Off
Self diagnostic
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
Operation Off
Self diagnostic
error
Check the option code of the indoor unit
Operation Off
Outdoor unit
protection
control error
[Inverter] DC LINK voltage
sensor error
[Inverter] OTP error
AC ZERO CROSSING SIGNAL
OUT error
Compressor LOCK error
Outdoor fan 2 error
Gas leak error
Capacities not matched
Communication error between
the indoor unit and wired
remote controller
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
Samsung Electronics
5&amp;0+;*$B60B(B$BLQGG
27
Wired remote controller (cont.)
Product operation in
error condition
Error mode
Contents
Measure
Outdoor unit/
Compressor/Indoor
unit
Error type
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
Communication error between
the Master and Salve wired
remote controllers
Check the option switch for defining the Master and
salve(Only one Master can exist)
Normal operation
Wired remote
controller error
Wired remote controller COM2
option setting error
Check that Com1, Com2 setting DIP switch is set to Com2
Normal operation
Wired remote
controller error
28
5&amp;0+;*$B60B(B$BLQGG
Samsung Electronics
Troubleshooting
4-5-10 The other errors
Error
code
Meaning
Troubleshooting
E177
Emergency stop
Indoor unit ($POUSPM kit) orders emergency stop.
Check the indoor unit ($POUSPM kit).
E201
Control Kit quantity is mismatched.
Control kit quantity must be matched with outdoor unit
1 by 1. Check the $POUSPM kit quantity. It must be 1EA.
E403
Detection of outdoor freezing when compressor
stops.
Outdoor unit (Condenser) froze.
Check condenser.
E404
Protection of outdoor overload when compressor
stops.
Compressor is overloaded. Please check same as E461
and check compressor when it starts.
E416
Discharge temperature of a compressor in an
outdoor unit is overheated.
Discharge temperature is overheated.
E440
Heating operation is not available since the
outdoor air temperature is over 35&deg;C.
E441
Cooling operation is not available since the
outdoor air temperature is lower than -15&deg;C.
E465
Compressor over load error
E468
Current sensor error
Exchange INVERTER PBA.
E471
Outdoor EEPROM error
EEPROM date is wrong. Exchange EEPROM or MAIN PBA.
(This error don't occur in EMF 150-AM)
E474
IPM(IGBT Module) or PFCM temperature sensor
error
Exchange INVERTER PBA.
E484
PFC overload error
Check reactor located in control plate.
If reactor is normal, exchange INVERTER PBA.
E500
IPM is over heated.
E556
Capacity mismatching between indoor and
outdoor
EEPROM data is wrong.
Exchange EEPROM or MAIN PBA
E557
Option code miss matching among the
indoors(only for DPM)
Option setting data is wrong.
(This error don't occur in EMF 150-AM)
Samsung Electronics
5&amp;0+;*$B60B(B$BLQGG
Check the outdoor temperature.
Compressor is overloaded. Please check same as E461
and check compressor when it starts.
down INVERTER PBA, and then restart the outdoor unit.
53
">

Hello! I am an AI chatbot specifically trained to assist you with the Samsung EMF 150-AM Troubleshooting guide. I have thoroughly reviewed the document and can help you locate the exact information you need or explain the content in clear and simple terms. Whether you’re looking for guidance on specific features, troubleshooting steps, or general usage, feel free to ask your questions. The more details you provide about your concerns or needs, the more accurately and effectively I can assist you!

Show related prompts

Assistant typing

Assistant is out of keyboard. Please, try again later.

Key features

Easy to use
Remote control
Efficient cooling and heating
Customize comfort settings
Quiet operation

Frequently asked questions

E177 means an emergency stop has been ordered by the indoor unit. Check the indoor unit to see why it ordered the stop.

This troubleshooting guide can help you identify the cause of any malfunction. Check the troubleshooting guide for error codes and their explanations to troubleshoot the problem.

E465 indicates an overload error of the compressor. Check the compressor and check for any obstacles around the indoor and outdoor units. Make sure the service valve is open and the installation pipes are correctly connected.

If you encounter an error, try restarting the outdoor unit after shutting down the INVERTER PBA.