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| English
1 609 92A 0JX | (28.3.14)
Bosch Power Tools
Troubleshooting
–
Causes and Corrective Measures
The measuring tool monitors the proper function for each measurement.
When a defect is detected, all indicators on the display flash. In this case,
or when the corrective measures listed above cannot correct the error,
have your dealer forward the measuring tool to an authorised Bosch
after-sales service.
Checking the Measuring Tool
The accuracy of the measuring tool can be checked as follows:
Cause
Corrective Measure
Temperature warning indicator (b) flashing; measurement not pos-
sible
Measuring tool not within the operat-
ing temperature range between
– 10 °C and +40 °C.
Wait until the measuring tool has
reached the operating tempera-
ture
Battery low indicator (a) appears
Battery voltage decreasing
(measurement still possible).
Replace batteries
Battery low indicator (a) flashing; measurement not possible
Battery voltage too low
Replace batteries
All indicators on the display flash
The measuring tool is defective.
Contact the Customer Service
The laser beam outlet
9
or the recep-
tion lens
8
are misted up (e.g. due to a
rapid temperature change).
Wipe the laser beam outlet
9
and/or the reception lens
8
dry
using a soft cloth
The “Err” indication is displayed after pressing the “HOLD” button
Unreliable measuring result
The target surface does not reflect
correctly (e.g. water, glass).
Cover off the target surface
The laser beam outlet
9
or the recep-
tion lens
8
are covered.
Make sure that the laser beam
outlet
9
or the reception lens
8
are unobstructed
Measuring result not plausible
Obstruction in path of laser beam
Laser point must be completely
on target surface.
OBJ_BUCH-1900-002.book Page 22 Friday, March 28, 2014 3:24 PM
