(ECOi-Geräte)
1. Error Detection Method
It is judged an error based on the criteria listed below.
2. Error Diagnosis
| 1 Sensor |
1-1 | Sensor connector is connected to PC board properly. | Yes | 1-2 |
| No | Reconnect and check | |||
| 1-2 | Sensor is correctly installed at holder side. | Yes | Replace sensor | |
| No | Correct and see what happens. 1-3 | |||
| 1-3 | Abnormal temperature exists even after replacing sensor. | Yes | 2-1 | |
| No | See what happens. | |||
| 2 PC board |
2-1 | Resistance between connector pins on PC board is less than 1 k ohm | Yes | Replace PC board |
| No | 2-2 | |||
| 2-2 | Abnormal temperature exists even after replacing PC board. | Yes | 3-1 | |
| No | See what happens. | |||
| 3 Operating status |
3-1 | Peripheral temperature of outdoor unit is over 46°C. | Yes | Correct |
| No | 3-2 | |||
| 3-2 | Tends to have insufficient refrigerant charge in the system. | Yes | Adjust the amount of refrigerant | |
| No | 3-3 | |||
| 3-3 | Check noise. | |||