Mars Comfort-Aire Century VCD-SA Series Service Manual page 109

Service Manual - VCDxxSA
2.3 Error Display (For Some Outdoor Unit)
Display
Outdoor EEPROM malfunction
EC 51
Indoor / outdoor units communication error
EL 01
Communication malfunction between adapter board and outdoor main board
EL 16
PC 00 IPM module protection
PC 02 Top temperature protection of compressor or High temperature protection of IPM module
Temperature protection of compressor discharge
PC 06
Outdoor overcurrent protection
PC 08
High temperature protection of condenser
PC 0A
PFC module protection
PC 0F
Outdoor unit low AC voltage protection
PC 10
Outdoor unit main control board DC bus high voltage protection
PC 11
Outdoor unit main control board DC bus high voltage protection /341 MCE error
PC 12
High pressure protection
PC 30
PC 31 Low pressure protection
PC 40 Communication malfunction between IPM board and outdoor main board
Outdoor compressor current sampling circuit failure
pc 41
Outdoor compressor lack phase protection
PC 43
Outdoor unit zero speed protection
PC 44
Outdoor unit IR chip drive failure
PC 45
Compressor speed has been out of control
PC 46
Compressor overcurrent failure
PC 49
Condenser coil temperature sensor T3 is in open circuit or has short circuited
EC 52
EC 53 Outdoor room temperature sensor T4 is in open circuit or has short circuited
EC 54 Compressor discharge temperature sensor TP is in open circuit or has short circuited
Refrigerant pipe temperature sensor error
EC57
High pressure sensor is in open circuit or has short circuited
ec 5c
EC 71 Over current failure of outdoor DC fan motor
Lack phase failure of outdoor DC fan motor
EC 72
ec 73 Zero-speed failure of outdoor DC fan motor
Outdoor fan speed has been out of control
EC 07
Low ambient temperature protection
PC 0L
High temperature protection of IPM module
lc 06
Outdoor IPM module temperature sensor fault
EC 55
High temperature protection of evaporator
PH 90
Low temperature protection of evaporator
PH 91
Malfunction or Protection
Troubleshooting 6
 
Solution
TS21
TS22
TS48
TS30
TS34
TS46
TS37
TS45
TS39
TS31
TS31
TS31
TS43
TS33
TS36
TS49
TS41
TS37
TS42
TS37
TS37
TS27
TS27
TS27
TS27
TS27
TS25
TS40
TS25
TS25
TS42
TS34
TS42
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