Troubleshooting; Indoor Unit Error Display - Vivax ACP-09CH25AELI Service Manual

9. Troubleshooting

9.1 Indoor Unit Error Display

Display
E0
E1
E2
E3
E4
E5
EC
F1
F2
F3
F4
F5
P0
P1
P2
P4
Note: E4 & P3: Reserved function.
LED STATUS
Indoor EEPROM parameter error
Indoor / outdoor units communication protection
Zero-crossing signal error(except MS9A-24HRDN1-QRC4W,
MS9A-24HRDN1-QRC8W)
Indoor fan speed has been out of control
Indoor room temperature sensor open circuit or short circuit
Evaporator coil temperature sensor open circuit or short circuit
Refrigerant leakage detection
Outdoor ambient temperature sensor open circuit or short circuit
Condenser coil temperature sensor open circuit or short circuit
Compressor discharge temperature sensor open circuit or short circuit
Outdoor EEPROM parameter error
Outdoor fan speed has been out of control
IPM malfunction or IGBT over-strong current protection
Over voltage or too low voltage protection
High temperature protection of compressor top diagnosis and
solution(Only for MS9A-24HRDN1-QRC8W)
Inverter compressor drive error
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