Insufficient Gas - Daikin RY35GXV1 Service Manual

SiBE01-829
4.8

Insufficient Gas

U0
Remote
Controller
Display
Method of A gas shortage is detected by checking the indoor unit heat exchanger temperature.
Malfunction
Detection
Malfunction When the compressor operates for 30 min. with the indoor heat exchanger temperature is
and then, check for 5 more min. before determining insufficient gas and system down.
Decision
Conditions
Supposed
Causes
Service Diagnosis
Cooling Heating
25 20
Refrigerant shortage (refrigerant leakage)
Poor compression performance of compressor
Indoor heat exchanger thermistor disconnected
Stop valve closed
Troubleshooting
°C
53