Daikin VRV RXYMQ-A Series Service Manual page 171

SiME332106E
Troubleshooting
Note(s)
1: Check the following connectors.
Reference
CHECK 17 Refer to page 287.
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn OFF the power
supply, and then wait for
a period of 10 minutes.
Are there
YES
any foreign matter
around the fan?
NO
Is the
connector properly
NO
connected to the indoor
unit control PCB?
(∗1)
YES
By
disconnecting the
NO
connector, the fan can be
lightly rotated by
hand.
YES
CHECK 17
Disconnect the connector
from the fan motor, and then
make measurement of
resistance between pins.
Is the
resistance
NO
between the pins less than
the judgment
criteria?
YES
Model
FXMQ40PB
FXAQ-AR
Connector
X8A
X20A
Troubleshooting by Error Code
Remove the foreign matter.
Properly connect the connector.
Replace the fan motor (M1F).
Replace the indoor unit control
PCB (A1P).
Replace the fan motor and the
indoor unit control PCB (A1P).
165