Troubleshooting by Error Code
SiAF341904E
188
Part 6 Service Diagnosis
Note(s)
Reference
Troubleshooting
1: Check the following connectors.
CHECK 17
Refer to page 302.
Properly connect the connector.
NO
Is the
connector properly
connected to the indoor
unit main PCB?
(
∗
1)
Replace the fan motor (M1F).
NO
YES
By
disconnecting the
connector, the fan can be
lightly rotated by
hand.
Remove the foreign matter.
YES
YES
NO
Are there
any foreign matter
around the fan?
YES
NO
Is the
resistance
between the pins less than
the judgement
criteria?
Disconnect the connector
from the fan motor, and then
make measurement of
resistance between pins.
CHECK 17
Turn OFF the power
supply, and then wait for
a period of 10 minutes.
Replace the fan motor and the
indoor unit main PCB (A1P).
Replace the indoor unit main
PCB (A1P).
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Model
Connector
FXMQ40PB
X8A
FXAQ-P
X20A
