(ECOi-Geräte)
1. Error Detection Method
It is judged an error when the outdoor fan motor´s rotating signal cannot be detected normally.
2. Error Diagnosis
| 1 Wiring | 1-1 | Are the connectors CN-FMA, CN-FMB, CN-FM1, and CN-FM2 firmly connected to the outdoor control PC board (lock engaged)? | Yes | 2-1 |
| No | Correct the connector | |||
| 2 Outdoor fan motor | 2-1 | Disconnect the connectors CN-FMA, CN-FMB, CN-FM1, and CN-FM2 from the outdoor control PC board and rotate the outdoor fan by hand; does it rotate freely? (Check the outdoor fan motor lock) | Yes | 3-1 |
| No | Replace the outdoor control PC board. | |||
| 3 Outdoor control PC board | 3-1 | Turn the power on and run the unit again; is P22 triggered again? Or can you see or hear anything that is obviously wrong in its rotation? | Yes | 3-2 |
| No | 3-3 | |||
| 3-2 | Replace the outdoor control PC board. (If it fails to operate normally even after replacing the outdoor control PC board, replace the outdoor fan motor.) | |||
| 3-3 | If there is nothing particularly out of the ordinary, see what happens. | |||