SiSG121917E
Troubleshooting for MSP Duct Type Indoor Unit
Part 6 Service Diagnosis
130
Note
Reference
Connector and fuse
1 Fan motor connector: X8A
2 Fuse: F2U
Check No.24
Refer to P.170
T
u
rn OFF the po
w
er s
u
pply
and
w
ait for 10 min
u
tes.
T
u
rn OFF the po
w
er s
u
pply
and
w
ait for 10 min
u
tes.
N
O
N
O
Replace the fan motor.
Each resistance
b
et
w
een the pins is e
qu
al to or
lo
w
er than 1
Ω
.
Replace the fan motor.
Replace the fan PCB (A2P).
The HAP
lamp on the indoor
u
nit main PCB is
b
linking
w
hile the HAP lamp on the
fan PCB is not
b
linking.
YES
YES
Check the fan motor connectors.
Check No.24
Replace the fan PCB (A2P).
↓
W
hen
A6
a
b
normality still
reocc
u
rs, replace the fan
motor.
A
(R24937)