Daikin VRVIII-S, Service Manual

Page: 201 / 266

Troubleshooting by Indication on the Unified ON/OFF Control SiENBE34-703
190 Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(V2842)
Caution
Is
the reset
switch of all optional
controls for centralized control
set to "normal"?
Is
transmission
wiring disconnected or wired
incorrectly?
Correct the setting of the
unified ON / OFF control's
switch for setting each
address and reset the power
supply of the unified ON /
OFF controller.
Refer to failure diagnosis for
central remote control or
schedule timer.
Fix the wiring correctly.
Set reset switch to "normal."
Is the
power supply
turned on for all
optional controllers for
centralized
control?
Reset power supply
simultaneously for all optional
controllers for centralized
control.
Has a
once connected
optional controller for
centralized control been
disconnected or its address
changed?
Is
the central
remote control or
schedule timer displaying a
malfunction?
Turn on power supply for all
optional controllers for
centralized control.
NO
Is
the
setting of the
unified ON / OFF
controller's switch for setting
each address
duplicated?
Are
two or more
unified ON / OFF controllers
connected?
2A
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Is a central remote
control or schedule timer
connected?
NO