Daikin VRV RXYMQ-A Series Service Manual page 209

SiME332106E
Troubleshooting
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.
There is
foreign matter around the
applicable fan.
NO
Check for Connection of Connector
Check for the connections of fan motor connector.
Connector is
disconnected.
NO
The fuse ( 1) on the
relevant PCB ( 2) has
continuity.
NO
The fan
can be rotated
by hand when
disconnecting the
connector from the
fan motor.
YES
Resistance
between the fan
motor power supply cable
terminal and the motor frame
(metallic part) is less
than 1 M:.
NO
A
YES
YES
YES
NO
YES
Troubleshooting by Error Code
Remove the foreign matter.
Insert the connector.
Replace the relevant PCB ( 2) .
Replace the fan motor (M1F).
Replace the fan motor (M1F).
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