Wet Alarm - Daikin VRV RXYMQ-A Series Service Manual

Troubleshooting by Error Code

5.31 Wet Alarm

Applicable All outdoor unit models
Models
F4
Error Code
Method of Error
In cooling operation, detect the condition under which liquid refrigerant returns to the
Detection compressor, according to the temperature and pressure of each part.
Error Decision
When the following wet state continues for a period of 180 minutes, an alert is issued.
Conditions An error is defined for 240 minutes.
 Wet state in outdoor units
When the following wet state continues for a period of 180 minutes, an alert is issued.
 Wet state in some of indoor units
Supposed
 Defective suction pipe thermistor
Causes  Defective discharge pipe thermistor
 Defective high pressure sensor
 Defective indoor unit electronic expansion valve
 Dirty air filter
208
SiME332106E
Part 6 Service Diagnosis