Daikin VRV RXYQ72-384XAYCA Service Manual page 265

SiUS342004EB
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Diagnosis Flowchart-4
AH-06
Air filter rotation error
Is the filter
properly attached?
YES
Is there any
foreign matter in the filter
drive motor or drive
parts?
NO
Is the filter damaged?
NO
Is the filter drive gear
damaged?
NO
Are the
connectors X4A and X8A
on the self-cleaning decoration
panel PCB properly
connected?
YES
Is the connector of
filter motor properly
connected?
YES
Is the harness broken?
NO
Does limit switch have
continuity?
YES
Is the filter
drive motor damaged or
rotating poorly?
NO
Is there any
external factor other than the
error such as noise?
NO
Turn OFF the power supply and
then turn it ON again. ( 1)
With the remote controller in stop
operation, perform filter auto clean
test operation. ( 2)
A Go to the next page
NO
YES
YES
YES
NO
NO
YES
NO
YES
YES
Troubleshooting by Error Code
Properly attached the filter.
Remove the foreign matter.
Replace the air filter.
Replace the filter drive gear.
Properly connect the
connector(s).
Properly connect the
connector.
Replace the harness.
Replace the limit switch.
Replace the filter drive motor.
Remove the external factor.
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