Improper Combination Of Optional Controllers For Centralized Control - Daikin VRV R-407C PLUS Series Service Manual

SiE 00-07
6.4

Improper Combination of Optional Controllers for Centralized Control

MA
Remote Controller
Display
Supposed Causes
Troubleshooting
Troubleshooting R-407C PLUS Series

Improper combination of optional controllers for centralized control

More than one master controller is connected
Defect of PC board of optional controller for centralized control
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.
Troubleshooting (OP: Central Remote 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
If the malfunction is still not cleared:
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.
YES
Disconnect 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
YES
combination. Disconnect either
the 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.
(VF073)
169