Daikin RXYSQ4-5-6PA7V1B Service Manual page 226

Vrv iii-s
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SiBE34-802
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Has a once
connected optional
controller for centralized
control been disconnected
or itsaddress
changed?
NO
Is the
power supply
turned on for all
optional controllers for
centralized
control?
YES
Is the
reset switch
of all optional controllers
for centralized
control set to
"normal"?
YES
Is
transmission wiring
disconnected or wired
incorrectly?
NO
Is
a central remote
controller or schedule timer
connected?
NO
Are
two or more unified
ON / OFF controllers
connected?
NO
A
Troubleshooting by Indication on the Unified ON/OFF Controller
YES
NO
NO
YES
Is the
central remote
YES
controller or schedule
timer displaying a
malfunction?
NO
Is the setting
of the unified
YES
ON / OFF controller's
switch for setting
each address
duplicated?
YES
Reset power supply
simultaneously for all optional
controllers for centralized
control.
Turn on power supply for
all optional controllers for
centralized control.
Set reset switch to
"normal."
Fix the wiring correctly.
YES
Refer to failure diagnosis for
central remote controller or
schedule timer.
NO
Correct the setting of the
unified ON / OFF controller's
switch for setting each
address and reset the power
supply of the unified ON /
OFF controller.
(V2842)
215

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