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9. Troubleshooting
9.1 Indoor Unit Error Display
Display
LED STATUS
E0
Indoor EEPROM parameter error
E1
Indoor / outdoor units communication protection
E2
Zero-crossing signal error(except MS9A-24HRDN1-QRC4W,
MS9A-24HRDN1-QRC8W)
E3
Indoor fan speed has been out of control
E4
Indoor room temperature sensor open circuit or short circuit
E5
Evaporator coil temperature sensor open circuit or short circuit
EC
Refrigerant leakage detection
F1
Outdoor ambient temperature sensor open circuit or short circuit
F2
Condenser coil temperature sensor open circuit or short circuit
F3
Compressor discharge temperature sensor open circuit or short circuit
F4
Outdoor EEPROM parameter error
F5
Outdoor fan speed has been out of control
P0
IPM malfunction or IGBT over-strong current protection
P1
Over voltage or too low voltage protection
P2
High temperature protection of compressor top diagnosis and
solution(Only for MS9A-24HRDN1-QRC8W)
P4
Inverter compressor drive error
Note: E4 & P3: Reserved function.
Содержание ACP-09CH25AELI
Страница 1: ...ACP 09CH25AELI ACP 12CH35AELI ACP 18CH50AELI ACP 22CH65AELI Service manual ENG RoHS ...
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Страница 13: ...12 5 Wiring Diagram 5 1 Indoor Unit ACP 09CH25AELI ACP 12CH35AELI ACP 18CH50AELI ...
Страница 14: ...13 ACP 22CH65AELI ...
Страница 15: ...14 5 2 Outdoor Unit ACP 09CH25AELI ACP 12CH35AELI ACP 18CH50AELI ...
Страница 16: ...15 ACP 22CH65AELI ...
Страница 27: ...26 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage ...
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