SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 205
CHECK 16 Refer to page 356.
CHECK 17 Refer to page 357.
YES
NO
Turn on the power.
Remove the signal connector
from the fan motor and check
the resistance.
The resistance
among U, V, and W are unbalanced
or below 1 Ω.
YES
NO
YES
NO
Replace the fan PCB (A2P).
The HAP
lamp of the indoor
unit PCB (A1P) blinks and the
HAP lamp of the fan PCB
(A2P) is off.
Between
V
CC and GND
terminals, and between GND
and H
W, HV, or HU terminals
are below 1 Ω.
Replace the indoor fan
motor (M1F).
Replace the indoor fan
motor (M1F).
Replace the indoor fan
motor (M1F).
A
CHECK 17
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