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10. TROUBLESHOOTING
Phenomenon
Possible Causes
Method Used
Screen does not
turn on
1. No power
2. The fuse is blown.
1. Check the power cable.
2. Change the fuse.
When the tester is
on, the keys do not
work
The instrument is not in
working state.
When the tester is turned on, wait until
the instrument returns to the working
state.
The Up / Down
Lead Screw is hard
to move
The space between the Up
/Down Lead Screws are blocked
by the thread ends or dirt
Remove the protecting cover for the Up /
Down Lead Screw and clean the screw
threads
Содержание OMEGA-HB
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