Minolta CR-400 -, Instruction Manual

Page: 150 / 159

148
Description
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 Minolta-authorized service facility.
Blank LCD
on measur-
ing head
Is the power switch ON? Turn the power switch ON, or if the data pro-
cessor is hooked up, turn the power switch on
the data processor ON.
Are the batteries inserted? Is the AC adapter
connected? When using the measuring head alone, insert
batteries or connect the AC adapter.
Symptom Check Point
Action
Is displayed?
Replace the batteries with new ones or connect
the AC adapter.
Is the LCD contrast appropriate?
Adjust the LCD contrast.
<Adjustment when the screen is not visible>
See P29 “LCD Display and communication Set-
ting.”
Keeping the
ENTER
key pressed immediately after
turning the instrument on automatically puts the
instrument in contrast adjustment mode, and re-
peatedly brighten and darken the display.
Blank LCD
on data pro-
cessor
Are the batteries inserted? Is the AC adapter
connected? 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.
Has the boot switch been touched? *Not to be
touched under any circumstances. Return to its original position.
Is displayed?
Replace the batteries with new ones or connect
the AC adapter.
The ready
lamp on the
measuring
head does not
come ON.
Is displayed?
Replace the batteries with new ones.
The mea-
surement
button has
no effect. Is the instrument either in the middle of mea-
suring or printing? Try again after it is finished.
Is the LCD contrast appropriate? Adjust the LCD contrast.
See P.69 “Adjusting the Contrast of the LCD”.
Has the machine been left untouched for 3 min-
utes? Touch one of the keys.
Is the measurement screen displayed? Try again in the measurement screen.
Is the data list screen displayed? Press the Escape key twice to return to the mea-
surement screen.
Brignt Dark 1 12