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QT-6000 User's Manual
97
E
When the terminal does not operate at all
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 a
CASIO representative for servicing.
Start
Is terminal plugged in?
Is power on?
Do figures appear on the display?
Do keys function?
Plug in the power cord.
Press <DISP ON/OFF>.
Use other outlet.
Set to correct position.
Is the electrical outlet active?
Contact CASIO service
representative.
Is the mode position correct?
Contact CASIO service
representative.
YES
N O
Troubleshooting
Troubleshooting