656 229 2010-11-22| Sicam snc società unipersonale
Faults | SBM 855 | 43 en
Faults Causes Remedy
19 Input signal of right measurement sensor
lower than that of left sensor
Interchange the connections of the two measure-
ment sensors.
20 1. Pedal pressed during measurement
2. Irregular rotational speed of motor
3. Wheel speed below minimum value
1. Do not press pedal whilst motor is in operation.
2. Make sure the SBM 855 is not subjected to any im-
pact during measurement.
3. Check mains voltage (probably too low).
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
1. Switch off the SBM 855 .
2. Lower the wheel guard, switch the SBM 855 on
again without moving the wheel.
3. If the error message persists, contact customer
service.
22 Irregular measurement sensor signals 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.
23
Vernier caliper not in rest position 1. Move the vernier caliper to rest position.
2. Repeat the calibration of the electronic vernier ca-
liper
EEE EEE
1. Two keys pressed simultaneously
2. Display PCB defective
1. Only ever press one key at a time.
2. Check and if necessary replace the display PCB.
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