Troubleshooting by Indication on the Remote Controller SiUS39-602
152 Troubleshooting
2.21
“
F6
”
Refrigerant Overcharged
Remote
Controller
Display
F6
Applicable
Models
REYQ72M, 96M
Method of
Malfunction
Detection
Refrigerant overcharge is detected from the receiver gas pipe temperature during test
operation.
Malfunction
Decision
Conditions
When the receiver gas pipe temperature is lower than evaporating temperature during test
operation.
Supposed
Causes
Refrigerant overcharge
Disconnection of the receiver gas pipe thermistor
Troubleshooting
(V2797)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the
receiver gas pipe
temperature thermistor
installed the gas relief
pipe on top of
receiver?
Is the
characteristic of the
receiver gas pipe
thermistor
normal?
Refrigerant overcharged.
YES
NO
NO
Replace thermistor.
Install thermistor correctly.
YES
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