JRC JMR-5410-6X - Page 502

Section 16 Failures and After-Sale Services 16-16
Symptom Cause Action
The preheat count down
of the radar antenna is
not displayed.
The connection with the radar
antenna is abnormal.
Check the connection with the radar
antenna.
The safety switch of the radar
antenna is set to OFF.
Set the safety switch of the radar
antenna to ON.
[Memo]
For operating the safety
switch of the
radar antenna, always request the
work to the specialized service
person. Before starting the work, turn
off the power supply of the display
unit. Otherwise, an unexpected
accident may occur.
A solid-state radar antenna is
connected.
Preheat count-down is not displayed
for a solid-state radar antenna.
The radar antenna is faulty.
Make a request to the distributor for
repair.
The internal wiring is faulty.
Make a request to the distributor for
repair.
The processing unit (NDC-1678) is
faulty.
Make a request to the distributor for
repair.
The radar antenna does
not rotate even if the
[TX/ST-BY] button is
pressed.
The connection with the radar
antenna is abnormal.
Check the connection with the radar
antenna.
The safety switch of the radar
antenna is set to OFF.
Set the safety switch of the radar
antenna to ON.
[Memo]
For operating the safety
switch of the
radar antenna, always request the
work to the specialized service
person. Before starting the work, turn
off the power supply of the display
unit. Otherwise, an unexpected
accident may occur.
Power is not supplied from the power
supply unit to the radar antenna.
Check the power supply wiring from
the power supply unit (NBD-945)
inside the processing unit to the
interface circuit (CMH-2452).
Check the power supply connection
inside of the radar antenna.
[Memo]
For checking the wiring inside of the
radar antenna, always request the
work to the specialized service
person. Before starting the work, turn
off the power supply of the display
unit. Otherwise, an unexpected
accident may occur.