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13. ERROR CODES
You can determine the operating status by the lighting up and blinking of the LED lamp.
LED display part
13.1. Error display mode
Display when an error occurs.
PUMP LOW PEAK
POWER
ERROR
DOWN NOISE CUT
MODE (L1) (L2) (L3) (L4) (L5) (L6)
●
Blink
(Hi speed)
○
Sign “
○
”: Lights off, “
●
”: Lights on
○ ○ ○ ○ ○
(1) Check that the “ERROR” LED blinks, then press the [ENTER] button once.
/
Button part
SW107 SW108 SW109 SW112 SW110
13.2. Error code check table
POWER/
MODE
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
ERROR
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
PUMP DOWN
(L1)
(1)
(1)
(2)
(5)
(6)
(6)
(6)
(7)
(7)
(7)
(7)
(7)
(7)
(8)
(8)
(8)
(8)
(9)
(9)
(9)
(9)
(9)
(10)
(10)
(10)
LED display
LOW NOISE
(L2) (L3)
(1)
(L4)
PEAK CUT
(L5) (L6)
○ ○
● ●
(1)
(2)
DESCRIPTION
●
Serial communication error
○ ○ ○
○ ○ ○
●
Indoor unit capacity error
(15)
(2)
REMARK
Serial forward transmission error immediately after operation
Serial forward transmission error during operation
Indoor unit capacity error
○ ○ ○
●
Indoor unit error Indoor unit error
○ ○ ○
●
Outdoor unit main PCB error Outdoor unit PCB model information error
(3)
(5)
(1)
(2)
○ ○ ○
●
Inverter PCB error
○ ○
● ●
IPM error
Inverter error
Trip terminal L error
○ ○ ○
●
Discharge temp. sensor error Discharge temp. sensor 1 error
○ ○ ○
●
Compressor temp. sensor error Compressor temp. sensor 1 error
(3)
(3)
(4)
(7)
(4)
○ ○
●
○
○ ○
● ●
Outdoor unit Heat Ex. sensor error
Heat Ex. middle temp. sensor error
Outdoor unit Heat Ex. liquid temp. sensor error
○ ○ ○
●
Outdoor temp. sensor error Outdoor temp. sensor error
○ ○ ○
●
Heat sink temp. sensor error Heat sink temp. sensor error
○ ○ ○
●
Current sensor error Current sensor 1 error (stoppage permanently)
(6)
(6)
(6)
(4)
(5)
(7)
(8)
(9)
(1)
(3)
(5)
○
●
○ ○
○ ○ ○
●
Pressure sensor error
○ ○
● ●
○ ○ ○
●
Trip detection
High pressure switch 1 error
Outdoor unit discharge pressure sensor error
Outdoor unit suction pressure sensor error
Trip detection
○ ○ ○
●
Compressor motor control error Rotor position detection error (stoppage permanently)
○ ○
● ●
Outdoor unit fan motor 1 error Duty error
○ ○
● ●
Outdoor unit fan motor 2 error Duty error
○ ○ ○
●
4-way valve error 4-way valve error
○ ○ ○
●
Discharge temp. 1 error
○ ○ ○
●
Compressor temp. error
○ ○ ○
●
Pressure error 2
Discharge temp. 1 error
Compressor 1 temp. error
Low pressure error
Display mode : Lights on
: Lights off
: Blink (0.5s Lights on / 0.5s Lights off)
( ) : Number of fl ashing
En-15
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