5-5
5.3 Troubleshooting
Never carry out internal inspection or repair of the equipment. Inspection or repair
performed by anyone other than the specialized maintenance engineers may result
in fire, electric shock, or failure. For inspection or repair, please contact us or your
distributor.
For your reference, the guideline for detecting faulty sections is provided below.
Fault symptom Possible cause/cause of failure Action to be taken
The power is not supplied even
if the power switch of the
display unit is pressed.
The power is not supplied from the
on-board power panel.
Check if the breaker and the power
board are wired correctly.
The power is not supplied from the
power supply unit, which is the
option.
Check if the power supply unit is
wired correctly.
The display is faulty. Contact us or your distributor.
The fuse of the processor is blown
out.
After checking if the wiring is correct
and replace the fuse.
The main switch of the processor is
set to OFF.
After checking if the wiring is correct,
set the switch to ON.
The LAN port for display connection
on the processor is incorrect.
Connect to the correct LAN port.
LCD does not display a screen. The display unit is faulty. Contact us or your distributor.
Power is not supplied to the display
unit.
Check the cable connection.
The brightness is not changed. The display unit is faulty. Contact us or your distributor.
No buzzer sound is emitted. The buzzer is faulty. Contact us or your distributor.
The buzzer is set to OFF. Refer to 4.10.1 for the setting.
No key-tone is emitted. The buzzer is faulty. Contact us or your distributor.
The key-tone is set to OFF. Refer to 4.3.2 for the setting.
Symbols on the plot screen are
not displayed.
The display of the symbols on the
plot screen is set to OFF.
Refer to 4.8.9 for the setting.
WARNING
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