Panasonic S-200PE2E5 Technical Data & Service Manual page 112

F06 Inlet Temperature Sensor (C1) in Heat Exchanger Trouble
1. Error Detection Method
In case of open or short
•
2. Error Diagnosis
1 Sensor
1-1
Trouble
1-2
2 Control
2-1
PCB
Failure
F07 Intermediate Temperature Sensor (C2) in Heat Exchanger Trouble
1. Error Detection Method
It is judged an error when open circuit or short circuit.
2. Error Diagnosis
1 Sensor
1-1
5
1-2
2 PC board
2-1
F08 Outdoor Air Temperature Sensor (TO) Trouble
1. Error Detection Method
It is judged an error when open circuit or short circuit.
2. Error Diagnosis
1 Sensor
1-1
1-2
2 PC board
2-1
Is the connector properly connected to PCB?
Is the resistor between the sockets infinity or 0 ?
Outdoor unit control PCB failure
Replace PCB with a new one.
Sensor connector is connected to PC board properly.
Resistance between sockets is infinity or 0 ohm.
Replace PC board because of outdoor control PC board failure.
Sensor connector is connected to PC board properly.
Resistance between sockets is infinity or 0 ohm.
Replace PC board because of outdoor control PC board failure.
5-12
Yes 1-2
No Reconnect & check
Yes Replace sensor.
No 2-1
Yes 1-2
No Reconnect and check
Yes Replace sensor
No 2-1
Yes 1-2
No Reconnect and check
Yes Replace sensor
No 2-1