Daikin VRV X RXQ6-48ANR Series, Service Manual, Page: 210 / 297

Troubleshooting by Error Code SiME341909EA
204 Part 6 Service Diagnosis
5.30 Discharge Pipe Temperature Abnormality
Applicable
Models
All outdoor unit models
Error Code
F3
Method of Error
Detection
Detect according to temperature detected with the discharge pipe or compressor body
thermistor.
Error Decision
Conditions
 When discharge pipe temperature becomes abnormally high (i.e., 135°C or more)
 When discharge pipe temperature sharply rises (remains at 120°C or more for a period of
consecutive 10 minutes)
 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
of consecutive 10 minutes)
Supposed
Causes
 Abnormal discharge pipe temperature
 Defective discharge pipe thermistor

Abnormal compressor surface temperature
 Defective compressor body thermistor
 Defective outdoor unit main PCB