Technibel CAFP 124 R Technical Data & Service Manual page 122

(5) [Alarms "F04," "F06," "F07," "F08," "F12"]
and 024 (TD, TO, C1, C2, and
C2, and TS sensor resistance*
4
Are connectors
CN020, 021, 022, 023,
TS sensors) connected
correctly to the outdoor unit
control PCB?
Yes
Are the TD, TO, C1,
characteristics OK?
Yes
Check the outdoor unit
control PCB.
Replace if PCB has failed.
Sensor trouble
No
No
* Refer to "4. Table of Thermistor Characteristics."
4 - 12
Correct the connector
connections.
Replace the TD, TO, C1,
C2, or TS sensor.