Cairox AOYG-KQTA, Installation Manual, Page: 18 / 18

En-18
10.2. Error code check table
DESCRIPTION REMARK
LED display
POWER/
MODE
ERROR
PUMP
DOWN
LOW NOISE PEAK CUT
(L1) (L2) (L3) (L4) (L5) (L6)
Serial communication error
Serial forward transmission error immediately after
operation
Blink
(2 times)
●
Blink
(1 time)
Blink
(1 time)
○ ○
● ●
Serial forward transmission error during operation
Blink
(2 times)
●
Blink
(1 time)
Blink
(1 time)
○
●
○ ○
Indoor unit capacity error Indoor unit capacity error
Blink
(2 times)
●
Blink
(2 times)
Blink
(2 times)
○ ○ ○
●
Indoor unit error Indoor unit error
Blink
(2 times)
●
Blink
(5 times)
Blink
(15 times)
○ ○ ○
●
Outdoor unit main PCB error Outdoor unit PCB model information error
Blink
(2 times)
●
Blink
(6 times)
Blink
(2 times)
○ ○ ○
●
Inverter PCB error Inverter error
Blink
(2 times)
●
Blink
(6 times)
Blink
(3 times)
○ ○ ○
●
IPM error Trip terminal L error
Blink
(2 times)
●
Blink
(6 times)
Blink
(5 times)
○ ○
● ●
Discharge temp. sensor error Discharge temp. sensor 1 error
Blink
(2 times)
●
Blink
(7 times)
Blink
(1 time)
○ ○ ○
●
Compressor temp. sensor error Compressor temp. sensor 1 error
Blink
(2 times)
●
Blink
(7 times)
Blink
(2 times)
○ ○ ○
●
Outdoor unit Heat Ex. sensor error
Heat Ex. center temp. sensor error
Blink
(2 times)
●
Blink
(7 times)
Blink
(3 times)
○ ○
●
○
Outdoor unit Heat Ex. liquid temp. sensor error
Blink
(2 times)
●
Blink
(7 times)
Blink
(3 times)
○ ○
● ●
Outdoor temp. sensor error Outdoor temp. sensor error
Blink
(2 times)
●
Blink
(7 times)
Blink
(4 times)
○ ○ ○
●
Heat sink temp. sensor error Heat sink temp. sensor error
Blink
(2 times)
●
Blink
(7 times)
Blink
(7 times)
○ ○ ○
●
Current sensor error Current sensor 1 error (stoppage permanently)
Blink
(2 times)
●
Blink
(8 times)
Blink
(4 times)
○ ○ ○
●
Pressure sensor error
High pressure switch 1 error
Blink
(2 times)
●
Blink
(8 times)
Blink
(6 times)
○
●
○ ○
Pressure sensor error
Blink
(2 times)
●
Blink
(8 times)
Blink
(6 times)
○
● ●
○
Trip detection Trip detection
Blink
(2 times)
●
Blink
(9 times)
Blink
(4 times)
○ ○ ○
●
Compressor motor control error Rotor position detection error (stoppage permanently)
Blink
(2 times)
●
Blink
(9 times)
Blink
(5 times)
○ ○ ○
●
Outdoor unit fan motor 1 error Duty abnormal
Blink
(2 times)
●
Blink
(9 times)
Blink
(7 times)
○ ○
● ●
Outdoor unit fan motor 2 error Duty abnormal
Blink
(2 times)
●
Blink
(9 times)
Blink
(8 times)
○ ○
● ●
4-way valve error 4-way valve error
Blink
(2 times)
●
Blink
(9 times)
Blink
(9 times)
○ ○ ○
●
Discharge temp. 1 error Discharge temp. 1 error
Blink
(2 times)
●
Blink
(10 times)
Blink
(1 time)
○ ○ ○
●
Compressor temp. error Compressor 1 temp. error
Blink
(2 times)
●
Blink
(10 times)
Blink
(3 times)
○ ○ ○
●
Pressure error 2 Low pressure error
Blink
(2 times)
●
Blink
(10 times)
Blink
(5 times)
○ ○ ○
●
IPM error Temp. error
Blink
(2 times)
●
Blink
(6 times)
Blink
(5 times)
○ ○ ○
●
Heat sink temp. error Heat sink temp. error
Blink
(2 times)
●
Blink
(10 times)
Blink
(12 times)
○ ○ ●
●
Sign “
○
”: Lights off, “
●
”: Lights on
9379069953_IM.indb 18 9379069953_IM.indb 18 5/24/2019 9:59:21 AM 5/24/2019 9:59:21 AM