Troubleshooting - Casio QT-2100 User Manual

6. Troubleshooting

Perform the following check whenever the terminal enter an error condition as soon as you switch it on.
The results of this check are required by service personnel, so be sure to perform this check before you contact
your authorized service personnel.
Start
Is QT-2100 plugged in?
Yes
Is power on?
Yes
Do figures appear on the display?
Yes
Do key function?
In any other cases, if you can not find the cause of a problem, please contact your authorized service
personnel.
QT-2100 User's Manual
No
Plug in the power cord.
No
Check the power switch turning on.
No
Is the electrical outlet active?
CASIO authorized
service personnel.
No
Is the mode position correct?
CASIO authorized
service personnel.
No
Yes
Contact
No
Yes
Contact
Use other outlet.
Set to correct position.
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