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13.
Troubleshooting
13.1 Indoor Unit Error Display
Display
E0
E1
E2
E3
E5
E6
P0
P1
P2
P3
P4
Note: E4: Reserved function
13.1.1
Display
E0
Circuit or software error on indoor control board
Replace the control board of indoor
13.1.2 circuit or software error on indoor cortrol board
Display
E1
28
LED STATUS
EEPROM error
Indoor / outdoor units communication protection
Zero-crossing examination error
Fan speed beyond control
Open or short circuit of outdoor temperature sensor
Room temperature or evaporator temperature sensor open or short circuit of
Module protection
Over voltage or too low voltage protection
Compressor top protection against temperature
Outdoor low temp. protection
Inverter compressor drive error
LED STATUS
EEPROM parameter error
LED STATUS
Indoor / outdoor units communication protection
Service manual
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