Daikin RTSQ20PY1 Service Manual page 342

Troubleshooting (OP: Unified ON/OFF Controller)
Troubleshooting
331
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Has a once connected
YES
optional controller for
centralized control been
disconnected or its
address changed?
NO
Is the power supply
NO
turned on for all
optional controllers
for centralized
control?
YES
Is the reset switch of
NO
all optional controllers
for centralized control
set to "normal"?
YES
Is the transmission
YES
wiring disconnected or
wired incorrectly?
NO
Is a centralized remote YES
controller or schedule
timer connected?
NO
YES
Are two or more unified
ON/OFF controllers
connected?
NO
A
YES
Is the centralized remote
controller or schedule
timer displaying a
malfunction?
NO
Is the setting of the
NO
unified ON/OFF
controller's switch for
setting each address
duplicated?
YES
SiBE31-801_C
Reset power supply
simultaneously for all optional
controllers for centralized
control.
Turn on power supply for
all optional controllers for
centralized control.
Set the reset switch to
"normal."
Fix the wiring correctly.
Refer to failure diagnosis for
centralized remote controller
or schedule timer.
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.
Troubleshooting