22 | English
2 609 140 996 | (23.9.13) Bosch Power Tools
Troubleshooting – Causes and Corrective Measures
Cause Corrective Measure
Signal LED 2 does not illuminate
Measuring tool is not
switched on
Slide the On/Off switch into position “On”.
Measuring tool has
switched itself off
Slide the On/Off switch first into position “Off” and
then into position “On”.
Batteries have not
been inserted or
been inserted incor-
rectly
Insert batteries. Pay attention to the polarity.
Flat or rechargeable
batteries inserted
Replace batteries. Do not use rechargeable
batteries.
Signal LED 2 illuminates yellow or red, even though no metal is
located within the vicinity (warning of metal objects)
Ambient tempera-
ture is too high/too
low
Only use the measuring tool within the specific
temperature range of 0 °C –40 °C .
Severe temperature
change
Wait until the measuring tool acclimates to the
ambient temperature.
Auto calibration not
successful
Perform a manual calibration.
Signal LED 2 lights yellow or red over large measuring area on the
wall (warning of metal objects)
Many, closely
spaced metal ob-
jects
Pay attention to the pitch of the signal sound to dif-
ferentiate between individual metal objects. Metal
objects that are too closely spaced, cannot be de-
tected separately.*
Metal as building
material
A reliable detection is not possible with metallic
building materials (e.g. foil-laminated insulation
materials, heat sinks).*
Auto calibration not
successful
Perform a manual calibration.
OBJ_BUCH-1913-002.book Page 22 Monday, September 23, 2013 12:33 PM
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