Panasonic S-36PU1E5A Technical Data & Service Manual page 555

F12 Compressor inlet Suction Temperature Sensor (TS) Trouble
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.
1-2 Resistance between sockets is infinity or 0 ohm.
2 Outdoor
control
2-1 Replace PC board because of outdoor control PC board failure.
PC board
5-33
Yes 1-2
No Reconnect and check
Yes Replace sensor
No 2-1
5