Fehlercodes: F08_Mini_ECOi

Outdoor Air Temperature Sensor (TO) 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.