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9.2.10 P4: Inverter Compressor Drive Error
Condition: An abnormal inverter compressor drive is detected by a special detection
circuit, including communication signal detection, voltage detection, compressor rotation
speed signal detection, etc.
Possible Causes:
- Wiring mistake
- IPM malfunction
- Outdoor fan assembly faulty
- Compressor malfunction
- Outdoor PCB faulty
For 9K to 24K units
Please refer to the section 9.3.4.
Replace motor if it fails.
Check if the compressor resistance values
are uniform. Refer to Section 9.3.1.
Refer to Section 9.3.3.
Summary of Contents for 12H47YIMI
Page 10: ...10 1080 mm 226 mm 335 mm 30H48ZIMI 49 57 1259 mm 11 1 282 mm 14 25 362 mm 36H46ZIMI...
Page 19: ...19 Model Voltage V Capacity BTU Type 12H47ZOMI 230 12 000 HEAT PUMP...
Page 56: ...56 P W N U...
Page 57: ...57 N V N W...
Page 82: ...82 7 Then lift the PCB assembly off the unit NOTE All wires are still connected...
