Discharge Pipe Temperature Abnormality - Daikin VRV RXYQ72-384XAYCA Service Manual

Troubleshooting by Error Code

3.40 Discharge Pipe Temperature Abnormality

Applicable
All outdoor unit models
Models
F3
Error Code
Method of Error
Detect according to temperature detected with the discharge pipe or compressor body thermistor.
Detection
Error Decision
 When discharge pipe temperature becomes abnormally high (i.e., 135°C (275°F) or more)
Conditions  When discharge pipe temperature sharply rises (remains at 120°C (248°F) or more for a period
 When compressor surface temperature becomes abnormally high (i.e., 120°C (248°F) or more)
 When compressor surface temperature sharply rises (remains at 115°C (239°F) or more for a
Supposed
 Abnormal discharge pipe temperature
Causes
 Defective discharge pipe thermistor
 Abnormal compressor surface temperature
 Defective compressor body thermistor
 Defective outdoor unit main PCB
295
of consecutive 10 minutes)
period of consecutive 10 minutes)
SiUS342004EB
Part 6 Service Diagnosis