Bosch WBE 4100 Notice Originale page 39

Faults Causes
20 1. Pedal pressed during measurement
2. Irregular rotational speed of motor
3. Wheel speed below minimum value
21 The PCB has detected an excessively high wheel speed
with the wheel guard open (shaft rotating at high speed
although the machine has not been started): Power sup-
ply unit is deactivated
22 Irregular measurement sensor signals
1. Two buttons are pressed at the same time.
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2. Faulty display PCB.
Robert Bosch GmbH
Faults | WBE 4100 | 39
Remedy
1. Do not press pedal whilst motor is in operation.
2. Make sure the WBE 4100 is not subjected to any
impact during measurement.
3. Check mains voltage (probably too low).
1. Switch off the WBE 4100 .
2. Lower the wheel guard, switch the WBE 4100 on
again without moving the wheel.
3. If the error message persists, contact customer
service.
1. Check that the light barrier PCB is protected
against light and provide a cover if necessary.
2. Check and if necessary replace the light barrier
PCB.
3. Check and if necessary replace the display PCB.
1. Only press one button at a time.
2. Check the display PCB and replace if necessary.
1 695 656 133
en
|
2011-02-18