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Service manual
50
TROUBLESHOOTING
Keys Do Not Work!
If one of the keys on the top side control does not work, proceed as follows:
1• Verify if the jumpers are properly
set referring to the respective
section of this manual.
2• Replace the top side control by
a spare one.
3• Verify if all keys respond.
4• If they do, replace the defective
top side control.
5• If they do not, replace the board
referring to the "How to Replace
the Board" section of this manual.
Jumper location
Содержание MSPA-1-AS
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