Troubleshooting for SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series SiBE121021_C
322 Service Diagnosis
6.3 Fan Motor or Related Abnormality
Remote
Controller
Display
A6
Method of
Malfunction
Detection
The signal from the fan motor detects abnormal fan speed.
Malfunction
Decision
Conditions
When the fan rotations are not detected while the output voltage to the fan is at its maximum
Supposed
Causes
îš„
Defective indoor fan motor
îš„
Broken or disconnected wire
îš„
Defective contact
îš„
Defective indoor unit PCB
Troubleshooting FFQ, FCQ, FDBQ, FBQ Series
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Connect the wiring and turn on
again.
YES
YES
NO
NO
Replace the indoor unit PCB.
Replace the fan motor.
(R11296)
Does the fan motor run?
Is the
wiring from the fan
motor securely connected to
connectors on the
indoor unit
PCB?
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