F6 Abnormal Heat Exchanging Temperature - Daikin R71FUV1 Service Manual

Si20-701_B
F6
3.39
Temperature
Remote Controller Display
F6
Applicable Model
R(Y)71~100LU
Method of Error Detection
The high pressure control (stop) is made according to
temperature detected with outdoor unit heat exchanger
thermistor in cooling operation or indoor unit heat
exchanger thermistor in heating operation.
Error Decision Conditions
When the outdoor unit heat exchanging temperature in
cooling operation or the indoor unit heat exchanging
temperature in heating operation exceeds a rated value.
Possible Causes
Clogged indoor unit suction filter (in heating operation)
Dirty outdoor unit heat exchanger
Defective outdoor unit fan
Excessive charging of refrigerant
Stop valve is not opened
220
Abnormal Heat Exchanging
Troubleshooting by Remote Controller