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SiBE121135
Troubleshooting for Outdoor Unit
Service Diagnosis
297
Troubleshooting
Check No.01
Refer to P.325
Check No.12
Refer to P.329
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R17254)
YES
NG
NO
NO
YES
YES
YES
NO
YES
NO
NO
YES
NO
NO
YES
∗
Discharge pipe thermistor
∗
Indoor or outdoor heat exchanger thermistor
∗
Room temperature thermistor
∗
Outdoor temperature thermistor
Check for refrigerant shortage.
Change for a specified amount of
fresh refrigerant.
Check No. 12
Outdoor electronic
expansion valve
functioning?
Replace the thermistor(s)
in
position.
Open the stop valve.
Repair the pipe flare or
replace the union.
Check the harness for
loosening.
Correct it as required. Also
replace the cracked pipe.
Check the pipes for
improper contact. Correct
them as required. Also
replace the cracked pipe.
Replace the outdoor
electronic expansion valve.
Replace the defective
thermistor(s).
Completed.
Refrigerant shortage error
again?
Oil oozing at internal
piping?
Stop valve closed?
Compressor vibrating
too much?
Oil oozing at relay
pipe connections?
Any thermistor
disconnected?
Check No. 01
Check the thermistors.
OK
NO
YES
Replace the outdoor unit PCB.
Replace the compressor.
Completed.
Error again?
Содержание Super Multi NX 3MKS50E3V1B
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