Daikin VRV RXYQ72-384XAYCA Service Manual page 269

SiUS342004EB
Note(s)
1. Temporary error code reset operation can be performed by pressing the push switch button
(BS2) on the self-cleaning decoration panel PCB
2. For details on performing filter auto clean test operation, refer to the operation manual of the
self-cleaning decoration panel.
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-6
AH-08
Filter auto clean operation error
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)
Start operation with remote
controller.
Error AH recurs,
or the self-cleaning decoration panel
lamp (red) blinks?
YES
YES
NO
Electrical component
box (lid)
Troubleshooting by Error Code
Remove the external factor.
Normal.
The error could be caused by
other causes. Refer to other
diagnosis flowcharts in the
following order:
AH-05→03→04→06→07→09.
Check the indoor unit control
PCB and self-cleaning
decoration panel PCB.
BS1 BS2
262