SiEN18-622 Troubleshooting for Outdoor Unit
Troubleshooting 369
7.8 Refrigerant Overcharged
Remote Control
Display
F6
Applicable
Models
All outdoor unit models
Method of
Malfunction
Detection
Excessive charging of refrigerant is detected by using the heat exchanging deicer temperature
during a check operation.
Malfunction
Decision
Conditions
When the amount of refrigerant, which is calculated by using the heat exchanging deicer
temperature during a check run, exceeds the standard.
Supposed
Causes
Refrigerant overcharge
Misalignment of the thermistor for heat exchanger
Defect of the thermistor for heat exchanger
Troubleshooting
∗ Refer to “Thermistor Resistance / Temperature Characteristics” table on P407.
(V2797)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
YES
NO
NO
YES
Check the mounting condition
of
the temperature sensors
of the heat
exchanging deicer
thermistor
in the piping.
Are the above
thermistor installed on
pipes correctly?
Remove the heat exchanging
deicer thermistor from the
outdoor PCB and measure
resistance with a tester.
Is the characteristic
of the above
thermistor normal?
Install thermistor correctly.
Replace thermistor.
Refrigerant overcharged.
To Next Page
Loading...
