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Troubleshooting Guide
What might appear to be a malfunction in your unit may just be the result of slight
misoperation or miswiring. Before calling service, first check the following table for
possible problems.
General
?
The power does not turn ON.
✔ The fuse has blown.
☞ After checking for short circuits in the
wires, replace the fuse with one with the
same rating.
✔ The motor is not attached to the bracket securely.
☞ Attach the motor to the bracket until it clicks.
?
Nothing happens when the buttons are pressed.
✔ The computer chip in the unit is not functioning
normally.
☞ Press the reset button on the unit (page 3).
?
The screen is dark.
✔ The unit is in a location where temperature is low.
☞ If the temperature of the monitor unit
drops, the screen may appear darker
when power is first turned on due to the
characteristics of a liquid crystal panel.
Wait a while after turning power on for the
temperature to rise. Normal brightness will
return.
✔ The BRT, BLK, CONT, and other screen control levels
are too low.
☞ Adjust the BRT, BLK, CONT, and other
screen controls to obtain appropriate
illumination, or restore them to factory-set
levels with reference to <Initializing the
User Settings> (page 8).
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