Specifications

Troubleshooting by Remote Controller SiBE341027
122 Service Diagnosis
2.12 Refrigerant Overcharged
Remote
Controller
Display
F6
Applicable
Models
RQYQ-PY1B
Method of Error
Detection
Excessive charging of refrigerant is detected by using the outdoor air temperature, heat
exchanger deicer temperature and liquid pipe temperature during check operation.
Error Decision
Conditions
When the amount of refrigerant, which is calculated by using the outdoor air temperature, heat
exchanger deicer temperature and liquid pipe temperature during check operation, exceeds the
criteria.
Supposed
Causes

Refrigerant overcharge

Disconnection of outdoor air thermistor

Disconnection of heat exchanger deicer thermistor

Disconnection of liquid pipe thermistor
Troubleshooting
Refer to P.189
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Are the above
thermistor
installed on pipes
correctly?
Check the mounting condition of
the outdoor air thermistor, heat
exchanger deicer thermistor and
liquid pipe thermistor in the piping.
Remove the outdoor air thermistor,
heat exchanger deicer thermistor
and the liquid pipe thermistor from
the outdoor unit PCB and measure
resistance with a tester.
Is the
characteristic of
the above
thermistor normal?
Rectify the overcharge of
refrigerant.
YES
NO
NO
Replace the thermistor.
Install the thermistor correctly.
YES
CHECK 11
CHECK 11