(ECOi-Geräte)
1. Error Detection Method
Error is detected by over-voltage and overcurrent of DC side.
2. Error Diagnosis
1 Power supply* |
1-1 | Not satisfied with +10% rated supply voltage | Yes | Check power supply |
No | 1-2 | |||
1-2 | Extreme voltage fluctuations | Yes | Check power supply | |
No | 1-3 | |||
1-3 | Extreme distortion of voltage waveform | Yes | Check power supply | |
No | 2-1 | |||
2 PC board wiring |
2-1 | Loose electrical wire connection | Yes | Correct connection |
No | 2-2 | |||
2-2 | Is HIC PC board connector (CN-PAM) poorly connected or opened with wire? | Yes | Correct connection or wiring | |
No | 2-3 | |||
2-3 | Replace HIC PC board. |
* Check not only in the outdoor unit stop mode but in the drive mode.