Klimaire KSIL024-H219 Service Manual - Manual (Page 52)

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9. Troubleshooting
9.1 Indoor Unit Error Display
Display LED STATUS
E0
EEPROM parameter error
E1 Indoor / outdoor units communication protection
E2 Zero-crossing signal error
E3 Indoor fan speed out of control
E5 Open or short circuit of outdoor temperature sensor or outdoor unit
EEPROM parameter error
E6 Open or short circuit of room or evaporator temperature sensor
E7 Outdoor fan speed out of control
P0 IBM malfunction or IGBT over-strong current protection
P1 Over voltage or too low voltage protection
P2 Temperature protection of compressor top.
P4 Inverter compressor drive error
Note: E4 & P3: Reserved function.