22-41
Section 22 Failures and After-Sale Services
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Symptom
Cause
Action
The radar antenna does
not rotate even if the
[Transmit] 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.
[Note]
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
between the power supply unit and
the radar interface circuit.
Check the power supply connection
inside of the radar antenna.
[Note]
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.
The motor driver circuit inside of the
radar antenna is not set correctly.
(NKE-1125A,NKE-1130A,NKE-1632,
NKE-2632, or NKE-2632-H is
connected as the radar antenna.)
Set the motor driver circuit correctly.
[Note]
For setting the motor driver circuit,
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.
The radar antenna rotation unit is
frozen.
De-freeze the frozen section by using
the neck heater option.
Strong wind of relative wind velocity
exceeding 100kt (about 51.5m/s) is
blowing.
When strong wind of relative wind
velocity exceeding 100kt is blowing,
the radar antenna does not rotate
due to the protection function.
The radar antenna is faulty.
Make a request to the distributor for
repair.
