Air Conditioner Service Manual
11
blink time (n)
Failure
1
IPM protection
2
Over voltage /lower voltage
3
Overcurrent
4
Exhaust over temperature protection
5
Outdoor coil over temperature protection
6
Drive fault and protection (V1，VP1)
7
Communication fault with indoor unit
8
Compressor overheat fault (compressor top switch)
9
Short-circuit / open-circuit fault of outdoor temperature sensor
10
Short circuit / open-circuit fault of outdoor heat exchanger temperature
sensor
11
Short-circuit / open-circuit fault of exhaust temperature sensor
12
Voltage sensor fault
13
Current sensor fault
14
IPM fault
15
Communication fault between power source board and IPM
16
No feedback from DC fan motor(outdoor unit)
17
Defrost state
18
Suction temperature sensor fault
19
Outdoor EEPROM fault
20
Outdoor fan motor protection
21
Indoor fan motor protection
23
System fault
24
Model configuration wrong
25
Indoor room temperature sensor fault
26
Indoor coil temperature sensor fault
27
Indoor EEPROM fault
28
Indoor fan motor fault
30
IPM drive fault
31
Outdoor environment temperature protection
32
Indoor anti-frosting protection
33
Indoor over-heat protection
Display on outdoor power source board:
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