Error Code
Description
LED
(Red)
LED
(Red)
Indoor
status
LED 1
(Red)
LED 2
(Green)
21
DC Peak(IPM Fault)
2 times
◑
1 time
◑
OFF
22
Max. CT(CT2)
2 times
◑
2 times
◑
OFF
23
DC Link Low Volt.
2 times
◑
3 times
◑
OFF
24
Pressure switch/Heater Sink.
2 times
◑
4 times
◑
OFF
26
DC Comp Position Error
2 times
◑
6 times
◑
OFF
27
PFC Fault Error
2 times
◑
7 times
◑
OFF
29
Comp Over Current
2 times
◑
9 times
◑
OFF
32
D-Pipe High(Inv.)
3 times
◑
2 times
◑
OFF
40
CT Sensor(Open/Short)
4 times
◑
0
OFF
41
Inv. D-Pipe Th Error(Open/Short)
4 times
◑
1 time
◑
OFF
43
Pressure Sensor(Open/Short)
4 times
◑
3 times
◑
OFF
44
Outdoor air Th Error(Open/Short)
4 times
◑
4 times
◑
OFF
45
Cond. Middle Pipe Th Error(Open/Short)
4 times
◑
5 times
◑
OFF
51
Capacity over
5 times
◑
1 time
◑
OFF
53
Communication Error(Indoor
÷
Outdoor)
5 times
◑
3 times
◑
OFF
60
EEPROM Error(Outdoor)
6 times
◑
0
OFF
61
Cond. Middle Pipe High
6 times
◑
1 time
◑
OFF
62
Heatsink Error(High)
6 times
◑
2 times
◑
OFF
65
Heatsink Th Error(Open/Short)
6 times
◑
5 times
◑
OFF
67
BLDC motor fan lock(Outdoor)
6 times
◑
7 times
◑
OFF
90
Service valve Closing Error
9 times
◑
0
OFF
If abnormal voltage is supplied, the protection circuits will turn off the product in order to prevent
the component damage. The product will automatically restart after 3 minutes.
25
SELF-DIAGNOSIS FUNCTION
ENGLISH
Summary of Contents for ATUW36GYLP0
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