Panasonic S-200PE2E5 Technical Data & Service Manual page 148

(5) [Alarms "F04," "F06," "F07," "F08," "F12"]
5
Start of defect diagnosis
Are the
connectors of the sensor
020 (C2), 021 (C1), 022 (TS),
023 (TO) and 024 (TD) connected
correctly to the outdoor unit
control PCB ?
Yes
Are the characteristics
of resistance values of the
sensors C2, C1, TS, TO and TD
sensors normal? *
* Refer to "5-5. Table of Thermistor Characteristics."
Yes
Check the outdoor unit control PCB.
Replace if PCB has failed.
Sensor trouble
No
Correct the connections.
No
Replace the sensors C2, C1, TS, TO
and TD.
5-12