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ERROR CODES DISPLAYED ON THE REMOTE CONTROL.
Use the "Query mode" function on the remote control to display the alarms (see: technical manual special modes).
Error code
EH 00 /
Indoor unit EEPROM parameter error
EH 0A
EL 01
Indoor / outdoor unit communication error
EH bA
Communication error between indoor unit and indoor external fan module
EH 30
Parameters error of indoor external fan
EH 35
Phase failure of indoor external fan
EH 36
Indoor external fan current sampling bias fault
EH 37
Indoor external fan zero speed failure
EH 38
Indoor external fan stall failure
EH 39
Out of step failure of indoor external fan
EH 3A
Low voltage protection of indoor external fan DC bus
EH 3b
Indoor external fan DC bus voltage is too high fault
EH 3E
Indoor external fan overcurrent fault
EH 3F
Indoor external fan module protection/hardware overcurrent protection
EH 03
The indoor fan speed is operating outside of the normal range
EC 51
Outdoor unit EEPROM parameter error
EC 52
Condenser coil temperature sensor T3 is in open circuit or has short circuited
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
EC 55
IGBT temperature sensor TH is in open circuit or has short circuited
EC 0d
Outdoor unit malfunction
Eh 60
Indoor room temperature sensor T1 is in open circuit or has short circuited
Eh 61
Evaporator coil temperature sensor T2 is in open circuit or has short circuited
EC 71
Outdoor external fan overcurrent fault
EC 75
Outdoor external fan module protection/hardware overcurrent protection
EC 72
Outdoor external fan phase failure
EC 74
Outdoor external fan current sampling bias fault
EC 73
Zero speed failure of outdoor unit DC fan
EC 07
The outdoor fan speed is operating outside of the normal range(
EL 0C
Refrigerant leak detected
EH 0b
Communication error between indoor two chips
EH 0E
Water-level alarm malfunction
PC 00
IPM malfunction or IGBT over-strong current protection
PC 10
Over low voltage protection
PC 11
Over voltage protection
PC 12
DC voltage protection
32
Description
Maintenance
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