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Troubleshooting by Indication on the Remote Controller
SiUS30-1301
158
Service Diagnosis
Indoor Unit Fan Motor Abnormality
Error Code
A6
Applicable
Models
FXDQ
Method of Error
Detection
This error is detected if there is no revolutions detection signal output from the fan motor.
Error Decision
Conditions
When no revolutions can be detected even at the maximum output voltage to the fan
Supposed
Causes
Defective indoor fan motor
Broken wires
Defective contact
Troubleshooting
NO
YES
YES
Is
the X4A
connector securely
connected?
NO
Is
the
power of
approx. 12VDC
supplied between
the Pins1 and 3 when
the X4A is
disconnected and
the power
supply turns
ON?
Replace the indoor unit PCB.
Properly connect the
connectors.
(At this time, check for any
defective connector contact or
broken wires.)
Check the indoor unit fan motor
and the wiring circuits of the
motor.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.