Troubleshooting; Maintenance And Service - Bosch GLM 30 Operating/Safety Instructions Manual

Cause
Temperature warning indicator (a) flashing; measurement
not possible
Measuring tool not within the tool
has operating temperature range
between +14 °F and 113 °F
( –10 °C and +45 °C)
Battery low indicator (a) appears
Battery voltage decreasing
(measurement still possible).
Battery low indicator (a) flashing; measurement not
possible
Battery voltage too low
All indicators on the display flash
The measuring tool is defective.

Maintenance and Service

!
WARNING
Do not immerse the measuring tool into water or other fluids.
Wipe off debris using a moist and soft cloth. Do not use any
cleaning agents or solvents.
Maintain the reception lens 7 in particular, with the same care
as required for eye glasses or the lens of a camera.
If the measuring tool should fail despite the care taken in
manufacturing and testing procedures, repair should be
carried out by an authorized after-sales service center for
Bosch power tools. Do not open the measuring tool yourself.
In all correspondence and spare parts orders, please always
include the 10-digit article number given on the type plate of
the measuring tool.

Troubleshooting

Keep the measuring tool clean at all times.
-17-
Corrective Measure
Wait until the measuring
tool reaches the operating
temperature
Replace batteries
Replace batteries
Contact the Customer Service