Bosch FWA 46xx + Originalbetriebsanleitung Seite 45

Description / message Possible cause
"Run-out compensation not Vehicle movement was too brief.
successful (rolling distance
too short)."
"Run-out compensation not The vehicle was moved too quickly, not enough
successful (vehicle moved images.
too quickly)."
"Run-out compensation not The vehicle was moved too slowly, too many ima-
successful (vehicle moved ges.
too slowly)."
"Check central positioning of One or more measurement boards not cente-
measurement boards. red with respect to the wheel and / or track is
Make sure track is flat." uneven.
"Not enough marks detec- Measurement measurement board not in
ted at Front/Rear Left/ field of vision of cameras.
Right measurement mea- Marks/measurement measurement board
surement board." and/or cameras contaminated.
Intense sunlight on sensors/measurement
boards.
"Incorrect alignment Measurement boards not aligned with spirit level.
of certain measurement Sensors are not perpendicularly aligned with
boards." the measurement bay or with the direction
of motor vehicle/commercial vehicle travel.
"Unit not properly set up One or more measurements found to be in-
or outside tolerance." accurate.
"Small measurement boards The distance between the rear axle and the cen-
not suitable. Use large ter of the sensor is too great for the small measu-
measurement boards." rement boards.
"Large measurement boards The distance between the rear axle and the cen-
not suitable. Use small mea- ter of the sensor is too small for the large measu-
surement boards." rement boards.
Tab. 3: Fault and information messages
Robert Bosch GmbH
Maintenance | FWA 46xx + | 45 | en
Remedy / action
Repeat run-out compensation. Ensure a rolling distance of at
least 60°.
Repeat run-out compensation. Move the vehicle more slowly
when doing so.
Repeat run-out compensation. Move the vehicle more quickly
when doing so.
Align the measurement boards with the center of rotation of the
wheel. Make sure rolling distance is flat.
Ensure a clear field of vision between sensors and measu-
rement measurement boards. Clean the measurement mea-
surement boards and/or the cameras. Use partitions or the
like to block out the sunlight.
Align measurement boards with spirit level. Repeat lighting ad-
justment
Perform sensor alignment: Refer to the Commissioning docu-
ment 1 690 706 102
Check the measurement accuracy by way of reverse measure-
ment (refer to 6.4.2). Consult the notes on positioning the sen-
sors with respect to the vehicle (refer to 4.9).
Contact Service
Use large measurement boards for commercial vehicles at the
rear axle.
Use small measurement boards (standard) at the rear axle.
1 690 706 098
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2017-11-27