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Troubleshooting
SiBE12-933_A
200
Service Diagnosis
Troubleshooting
Check No.06
Refer to P.215
Check No.07
Refer to P.216
Check No.09
Refer to P.217
(R7146)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Check No. 07
Check the outdoor unit fan
or related.
Turn off the power and turn it on
again.
Error again or outdoor
unit fan activated?
(Precaution before turning on the power again)
Make sure the power has been off for at least 30 seconds.
WARNING
To cool down the electricals, the
outdoor unit fan gets started when
the radiation fin temperature rises
above 75°C even when the air
conditioning is not operated and
stops itself when it drops below
70°C.
YES
NO
Check No. 06
Check the thermistor resistance
value.
Check the radiation fin
temperature.
Thermistor as
specified in its
characteristic
chart?
z
Fin thermistor
YES
YES
Above 80°C?
Malfunctioning
NO
NO
Too dirty
Functioning
Check No. 08
Check the installation condition.
Radiation fin dirty?
Slightly dirty
Replace the fin thermistor.
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
Clean up the radiation fin.