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SiUS121827E Troubleshooting for SA Indoor Unit
Part 6 Service Diagnosis 181
Note
Reference
R6000548
Connector and indoor unit PCB
Check No.02 Refer to P. 233
Continued from the
previous page
Turn OFF the power supply
and wait for 10 minutes.
Turn OFF the power supply
and wait for 10 minutes.
NO
NO
Replace the fan motor.
Each resistance
between the pins is equal to or
lower than 1 Ω.
Replace the fan motor.
Replace the fan PCB (A2P).
The HAP
lamp on the indoor
unit control PCB is blinking
while the HAP lamp on the
fan PCB is not
blinking.
YES
YES
Check the fan motor connectors.
Check No.02
Replace the fan PCB (A2P).
p
When A6 abnormality still
reoccurs, replace the fan
motor.
A
Turn ON the power supply while
the fan motor connector (∗1) is
disconnected.
Model
*1
Fan motor connector
*2
Fuse
FDMQ Series X8A F2U
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