Fehlercodes: F07_Mini_ECOi

Heat Exchanger Inlet Temperature Sensor (C1) Error

1. Error Detection Method

It is judged an error when open circuit or short circuit.

2. Error Diagnosis

1
Sensor
1-1 Sensor connector is connected to PC board properly. Yes 1-2
No Reconnect and check
1-2 Resistance between sockets is infinity or 0 ohm. Yes Replace sensor
No 2-1
2
PC board
2-1 Replace PC board because of outdoor control PC board failure.