Error code check table
Display when an error occurs
Display mode
: ON
: OFF
: OFF
: Blink (0.5s ON / 0.5s OFF)
( ) : Number of ß ashing
OUTDOOR UNIT
ERROR CODE DISPLAY
2015.08.20 9
You can determine the operating status
by the lighting up and blinking of the LED lamp.
LED display part
Button part
POWER
ERROR
PUMP
DOWN
LOW
NOISE
PEAK
CUT
MODE (L1) (L2) (L3) (L4) (L5) (L6)
Blink
(Hi speed)
Check that the “ERROR” LED blinks, then press the [Enter] button once.(1)
For details, refer to the following table.(2)
LED display
DESCRIPTION REMARK
POWER
MODE
ERROR
PUMP
DOWN
LOW NOISE PEAK CUT
(L1) (L2) (L3) (L4) (L5) (L6)
(2) (1) (1)
Serial communication error
Serial forward transmission error immediately after
operation
(2) (1) (1) Serial forward transmission error during operation
(2) (2) (2) Indoor unit capacity error Indoor unit capacity error
(2) (5) (15) Indoor unit error Indoor unit error
(2) (6) (2) Outdoor unit main PCB error Outdoor unit PCB model information error
(2) (6) (3) Inverter PCB error Inverter error
(2) (6) (5) IPM error Trip terminal L error
(2) (7) (1) Discharge temp. sensor error Discharge temp. sensor 1 error
(2) (7) (2) Compressor temp. sensor error Compressor temp. sensor 1 error
(2) (7) (3)
Outdoor unit Heat Ex. sensor error
Heat Ex. middle temp. sensor error
(2) (7) (3) Outdoor unit Heat Ex. liquid temp. sensor error
(2) (7) (4) Outdoor temp. sensor error Outdoor temp. sensor error
(2) (7) (7) Heat sink temp. sensor error Heat sink temp. sensor error
(2) (8) (4) Current sensor error Current sensor 1 error (stoppage permanently)
(2) (8) (6)
Pressure sensor error
High pressure switch 1 error
(2) (8) (6) Pressure sensor error
(2) (9) (4) Trip detection Trip detection
(2) (9) (5) Compressor motor control error Rotor position detection error (stoppage permanently)
(2) (9) (7) Outdoor unit fan motor 1 error Duty error
(2) (9) (8) Outdoor unit fan motor 2 error Duty error
(2) (9) (9) 4-way valve error 4-way valve error
(2) (10) (1) Discharge temp. 1 error Discharge temp. 1 error
(2) (10) (3) Compressor temp. error Compressor 1 temp. error
(2) (10) (5) Pressure error 2 Low pressure error
Sign “ ”: Lights off, “ ”: Lights on
SW1 SW2 SW3 SW4 SW5
(2) (3) (4) (5)(1)
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