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37
ERROR SIGNALS ON THE DISPLAY
In case of error, the display on the indoor unit shown the following error codes:
Error Code
Failure type
E0
Indoor and outdoor communication failure
EC
Outdoor communication failure
E1
Indoor room temperature sensor
E2
Indoor coil temperature sensor
E3
Outdoor coil temperature sensor
E4
System abnormity
E5
Model configuration wrong
E6
Indoor fan motor fault
E7
Outdoor temperature sensor
E8
Exhaust temp. sensor
E9
IPM drive and module fault
EA
Current sensor fault
Ed
Indoor EEPROM fault
EC
Outdoor Communication fault
EE
Outdoor EEPROM fault
EF
Outdoor fan motor fault (DC motor)
EH
Outdoor suction temperature sensor fault
En
Outdoor gas pipe temperature sensor fault
EP
Temp. switch fault ( on top of the compressor)
EU
Voltage sensor fault
Ey
Outdoor liquid pipe temperature sensor fault
Protection Display Code List
PA
Indoor run mode conflict
P1
Overvoltage /lower voltage protection
P2
Overcurrent protection
P4
Exhaust over temperature protection
P5
Too cool protection in cooling mode
P6
Overheat protection in cooling mode
P7
Overheat protection in heating mode
P8
Outdoor over temperature
/ lower temperature protection
P9
Drive protection (software control )
P0
Module protection (hardware control)
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