4. MAINTENANCE AND TROUBLESHOOTING
(3) It is not possible to move from the initial screen to the next screen; or, although no
operation has been done, the screen returns to the initial screen.
Point to check Cause and remedy
Is there any source generating noise, for
example a machine tool, an electric
discharge machine, a welding machine etc.,
near the data processing unit “QM-Data”?
Move the data processing unit “QM-Data” away from the source
generating the noise. If the data processing unit uses the same
power supply as the source generating the noise, use a different
power outlet.
Does the power supply voltage fluctuate?
If the wiring is complicated, or if the data processing unit
“QM-Data” uses the same power supply as an equipment
through which a large current flows even briefly, use a different
power outlet.
(4) The buzzer volume is too low or too high.
Point to check Cause and remedy
Have you adjusted the volume setting?
Adjust the volume setting, referring to Chapter 14 of the “User’s
Manual (Software Guide (2)) (MANUAL No. 99MCA083)”.
(5) The displayed date and time are not correct.
Point to check Cause and remedy
Have you set the date and time?
Have you set the date and time correctly?
Set the date and time, referring to Chapter 14 of the “User’s
Manual (Software Guide (2)) (MANUAL No. 99MCA083)”.
Input the date and time according to the specified format.
Are you resetting the time periodically?
Since the built-in clock bears a slight error, set the time
periodically.
(6) An error message concerning the memory backup battery appears.
Point to check Cause and remedy
(Memory backup battery error)
• This error message indicates that the memory backup battery is low,
and that if you continue to use the data processing unit “QM-Data”,
backup will not be performed. Save the part programs and measured
data stored in the internal memory of the data processing unit to the
floppy disk or to a personal computer.
• Contact your supplier to replace the battery.
IMPORTANT
Replacing the battery will initialize the internal memory. Be sure to create the necessary
backups.
No. 99MCA081A
4-3
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