Fehlercodes: P14_Mini_ECOi
O2 Sensor
1. Error Detection Method
- It is judged an error whenever the outdoor unit receives the signal “O2 Alarm Occurred” from the indoor unit.
- With the indoor unit's EEPROM setting (item code 0B) set to 0001, the EXCT input was shorted.
2. Error Diagnosis
1 System configuration |
1-1 | Is an O2 sensor being used? | Yes | 3-1 |
No | 2-1 | |||
2 Indoor unit’s EEPROM setting |
2-1 | Is the indoor EEPROM setting, item code 0B, on the indoor unit’s control PC board set to 0001? |
Yes |
After correcting the set-ting, 3-1 |
No | 4-1 | |||
3 Indoor EXCT wiring | 3-1 | Is the indoor EXCT socket (wire) shorted? | Yes | Correct wiring |
No | 4-1 | |||
4 Indoor unit’s control PC board | 4-1 | Is the alarm triggered if the indoor EXCT socket (wire) is disconnected, and the power is reset? | Yes | 4-3 |
No | 4-2 | |||
4-2 | Since there is no error, see what happens. | |||
4-3 | Indoor unit control PC board error replace PC board. |