SiBE341027
Troubleshooting by Remote Controller
Service Diagnosis
175
Troubleshooting
Is the voltage
between the
terminals F1 (+) and
F2 (-) in the range of
15.2 to 17.6 VDC?
Replace the centralized
controller.
Centralized controller: Normal
Normal
Correct the wiring.
Abnormal
Check the transmission wiring
between centralized controllers
for any broken wire.
For details, refer to information
in the “Procedure for checking
broken wires” section.
A
NO
YES
Disconnect the transmission
wiring of the main centralized
controller, and then check the
voltage between the
transmission terminals (F1 and
F2) of the master unit
transmission equipment using
a tester.
Normal
Correct the wiring.
Abnormal
Check the transmission wiring
between master centralized
controller for any broken wire. For
details, refer to information in the
"Procedure for checking broken
wires" section.
It is supposed that the error
results from external factors
(e.g. noises) from other
equipment.
Has the main
centralized controller
setting connector been
connected?
Correct the connection of the
connector.
NO
YES
