Discharge Pipe Temperature Abnormality - Daikin RXYQ-TA Series Service Manual

SiUS341615E

3.35 Discharge Pipe Temperature Abnormality

F3
Error Code
Applicable
All outdoor unit models
Models
Method of Error
Detect according to temperature detected with the discharge pipe or compressor body thermistor.
Detection
Error Decision
Conditions
Supposed
Causes
Service Diagnosis
When discharge pipe temperature becomes abnormally high (i.e., 135°C (275°F) or more)
When discharge pipe temperature sharply rises (remains at 120°C (248°F) or more for a period
of consecutive 10 minutes)
When compressor surface temperature becomes abnormally high (i.e., 120°C (248°F) or more)
When compressor surface temperature sharply rises (remains at 110°C (230°F) or more for a
period of consecutive 10 minutes)
Abnormal discharge pipe temperature
Defective discharge pipe thermistor
Abnormal compressor surface temperature
Defective compressor body thermistor
Defective outdoor unit main PCB
Troubleshooting by Error Code
228