Troubleshooting - Konica Minolta CR-400 Instruction Manual

Troubleshooting

If anything goes wrong with the instrument, take the appropriate steps shown in the table below. If the
instrument still does not work properly, turn the power OFF, and then turn it ON again. If the symptom
persists, contact your nearest Konica Minolta authorized service facility.
Symptom
Blank LCD
on measur-
Is the power switch ON?
ing head
Are the batteries inserted? Is the AC adapter
connected?
Is
Is the LCD contrast appropriate?
Has the boot switch been touched? *Not to be
touched under any circumstances.
Blank LCD
on data pro- Are the batteries inserted? Is the AC adapter
connected?
cessor
Is
Is the LCD contrast appropriate?
The ready
lamp on the
Is
measuring
head does not
Has the machine been left untouched for 3 min-
come ON.
utes?
The mea-
surement
Is the instrument either in the middle of mea-
button has
suring or printing?
no effect.
Is the measurement screen displayed?
Is the data list screen displayed?
148
Check Point
displayed?
displayed?
displayed?
Action
Turn the power switch ON, or if the data pro-
cessor is hooked up, turn the power switch on
the data processor ON.
When using the measuring head alone, insert
batteries or connect the AC adapter.
Replace the batteries with new ones or connect
the AC adapter.
Adjust the LCD contrast.
<Adjustment when the screen is not visible>
See P.28 "LCD Display, Communication and
Other Settings."
Keeping the key pressed immediately after
turning the instrument on automatically puts the
instrument in contrast adjustment mode, and re-
peatedly brighten and darken the display.
Return to its original position.
Turn the power switches on the measuring head
*
and the data processor both ON.
The measuring head does not supply power to
the data processor.
Replace the batteries with new ones or connect
the AC adapter.
Adjust the LCD contrast.
See P.69 "Adjusting the Contrast of the LCD".
Replace the batteries with new ones.
Touch one of the keys.
Try again after it is finished.
Try again in the measurement screen.
Press the Escape key twice to return to the mea-
surement screen.