Discharge Pipe Temperature Abnormality - Daikin VRV X RXQ6-48ANR Series Service Manual

Troubleshooting by Error Code

5.30 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
Detection thermistor.
Error Decision
 When discharge pipe temperature becomes abnormally high (i.e., 135°C or more)
Conditions  When discharge pipe temperature sharply rises (remains at 120°C or more for a period of
 When compressor surface temperature becomes abnormally high (i.e., 120°C or more)
 When compressor surface temperature sharply rises (remains at 110°C or more for a period
Supposed
 Abnormal discharge pipe temperature
Causes  Defective discharge pipe thermistor
 Abnormal compressor surface temperature
 Defective compressor body thermistor
 Defective outdoor unit main PCB
204
consecutive 10 minutes)
of consecutive 10 minutes)
SiME341909EA
Part 6 Service Diagnosis