![Panasonic CS-CZ25ZKE Скачать руководство пользователя страница 105](http://html1.mh-extra.com/html/panasonic/cs-cz25zke/cs-cz25zke_service-manual_4116715105.webp)
105
17.5.17 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked)
Malfunction Decision Conditions
The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor.
Malfunction Caused
Operation stops due to short circuit inside the fan motor winding.
Operation stops due to breaking of wire inside the fan motor.
Operation stops due to breaking of fan motor lead wires.
Operation stops due to Hall IC malfunction.
Operation error due to faulty outdoor unit PCB.
Troubleshooting
Turn off power supply
and rotate fan by
hand.
Does fan rotate
smoothly?
Replace fan
motor.
Replace
fan motor
Replace
outdoor PCB
Yes
Yes
No
No
No
No
Yes
Turn power supply on
and operate fan.
Turn off power supply
and disconnect fan motor
connector.
Check the fan motor
winding resistance at
CN-MTR2
Replace
outdoor PCB
Replace
fan motor
Is the winding open / short,
resistance value not
uniform / very much
different?
Does it rotate?
Check the fan motor
rotation condition.
Does it have run-stop
symptom?
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
Caution