Maintenance And Service - Bosch GMS 120 Professional Originalbetriebsanleitung

– Static electricity can lead to electric lines being indicated
inaccurately, e.g. over a large area, or not at all. To improve
the indication, place your free hand flat on the wall next to
the measuring tool, in order to remove the static electricity.
Working Advice
 The measuring values can be impaired through certain
ambient conditions. These include, e.g. the proximity
of devices that produce strong electric, magnetic or
electromagnetic fields, moisture, metallic building ma-
terials, foil-laminated insulation materials or conduc-
tive wallpaper or tiles. Therefore, also observe other in-
formation sources (e.g. construction plans) before
drilling, sawing or routing into walls, ceilings or floors.
Marking Objects
If required, detected objects can be marked. Perform a meas-
urement as usual. Once you have found the boundaries or the
centre of an object, mark the sought location through the
marking hole 2.
Temperature Control
The measuring tool is equipped with a temperature control in-
dicator, as accurate measurements are only possible as long
as the temperature within the measuring tool remains con-
stant.
When the temperature control indicator g lights up, the meas-
uring tool is not within the operating temperature range or
was subject to large variations in temperature. Switch the
measuring tool off and allow it to adjust to the ambient
temperature before switching it on again.
Warning Function
When indicator b lights up on display 3 and indication 4 flash-
es above button 10, the measurement must be restarted. Re-
move the measuring tool from the wall and place it on the base
material at a different location.
When indicator b flashes on display 3, send the measuring
tool in the provided protective pouch to an authorised cus-
tomer services agent.
Recalibration
When measuring indicator i indicates a continuously high am-
plitude in the operating mode "Metal", even though there is
no metal object near the measuring tool, the measuring tool
can be manually recalibrated.
– Switch the measuring tool off.
– Remove all objects near the measuring tool that could be
detected, including your wrist watch or rings made of met-
al, and hold the measuring tool up.
Pay attention that battery indicator h indicates at least 1/3
capacity:
Hold the measuring tool in such a manner that the type
plate 13 faces toward the ground. Avoid bright light sourc-
es or direct sunlight from shining on the area 12 and 13,
without covering off this area.
– Press and hold buttons 5 and 7 until the illuminated ring 1
lights up red. Then release both buttons.
– When the calibration was successful, the measuring tool
will automatically start after a few seconds, and will be
ready for operation again.
Bosch Power Tools
Note: If the measuring tool does not automatically start, re-
peat the recalibration. If the measuring tool still does not
start, send it in the provided protective pouch to an author-
ised customer services agent.

Maintenance and Service

Maintenance and Cleaning
 Check the measuring tool each time before use. In case
of visible damage or loose components inside the measur-
ing tool, safe function can no longer be ensured.
Keep the measuring tool clean and dry at all times to ensure
proper and safe working.
Do not immerse the measuring tool in water or other fluids.
Wipe away debris or contamination with a dry, soft cloth. Do
not use cleaning agents or solvents.
In order not to affect the measuring function, decals/stickers
or name plates, especially metal ones, may not be attached in
the sensor area 12 on the front or back side of the measuring
tool.
Do not remove the contact pads 11 on the backside of the
measuring tool.
Store and transport the measuring tool only in the supplied
protective pouch.
In case of repairs, send in the measuring tool packed in its
protective pouch 17.
After-sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. Exploded views and information on spare parts can al-
so be found under:
www.bosch-pt.com
Bosch's application service team will gladly answer questions
concerning our products and their accessories.
In all correspondence and spare parts orders, please always
include the 10-digit article number given on the nameplate of
the product.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or arrange
the collection of a product in need of servicing or repair.
Tel. Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com
English | 13
1 609 92A 25Z | (8.2.16)