Daikin VRV R-407C PLUS Series Service Manual page 188

SiE 00-07
Troubleshooting R-407C PLUS Series
2A
Is
the wiring adaptor for
electrical appendices
connected?
NO
Is a 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:
Troubleshooting (OP: Unified ON/OFF Controller)
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 either the schedule
YES
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 either the
YES
schedule timer or parallel interface
and reset the power supply for all
optional controllers for centralized
control simultaneously.
Disconnect the schedule timer's
individual / combined connector
YES
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.
(VF081)
177