Daikin RXYQ5-48MAY1 Service Manual page 267

Troubleshooting (OP: Schedule Timer)
Troubleshooting
256
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the wiring
adaptor for electrical
appendices
connected?
NO
Is the schedule
timer connected?
NO
Are
there two or
more optional
controllers
for centralized control
connected with the
connector for setting
master
control?
NO
Reset the power supply
for all optional controllers
for centralized control
simultaneously.
If the malfunction is still not cleared:
YES
YES
Is a data station
connected?
NO
Is a parallel interface
connected?
NO
Is the schedule
timer's individual/combined
connector connected?
NO
YES
Cannot be used in
combination with a wiring
adaptor for electrical
appendices. Remove the
wiring adaptor for electrical
appendices and reset the
power supply for all optional
controllers for centralized
control simultaneously.
Schedule timer and data
station cannot be used in
combination. Disconnect
YES
either the schedule timer or
data station and reset the
power supply for all optional
controllers for centralized
control simultaneously.
Schedule timer and parallel
interface cannot be used in
combination. Disconnect
YES
either the schedule timer or
parallel interface and reset
the power supply for all
optional controllers for
centralized control
Disconnect the schedule
timer's individual / combined
YES
connector and reset the
power supply for all optional
controllers for centralized
control simultaneously.
Arrange so that the connector
for setting master control is
connected to one controller
for centralized control and
reset the power supply for all
optional controllers for
centralized control
simultaneously.
Disconnect the connector for
setting master control from
the master controller, connect
to another optional controller
for centralized control and
simultaneously reset all
optional controllers for
centralized control again. The
controller connected by the
connector for setting master
control when the malfunction
is cleared is defective and
must be replaced.
Troubleshooting
Si39-407
(V2839)