Faults - Beissbarth MT 857 L Betriebsanleitung

11. Faults

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Other possible malfunctions are primarily of a technical nature and are to be checked and if necessary rectified
by a qualified engineer. Always contact the customer service of your authorized Beissbarth GmbH equipment
dealer.
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To enable action to be taken quickly, it is important to inform customer service of the specifications on the
rating plate and the nature of the problem.
Faults Causes
When the machine 1. Defective fuse or missing phase
is started up, the 2. Damaged fuse in electrical connection
monitor does not 3. CPU board fuse damage.
switch on
1 1. Setting and calibration data lost from PCB memory
2. One or more calibration operations not performed
2 Wheel guard raised prior to completion of measurement
3 1. Backward rotation of wheel on start of measurement
2. Incorrect connection of motor
4 1. No motor operation, motor does not attain the neces-
sary speed
2. Fault in electrical connection
3. Fault in PCB
5 1. Balance weight not attached to wheel
2. Measurement sensors not correctly connected
6 1. Wheel guard not lowered
2. Damage to wheel guard safety switch
7 Excessive phase difference between the 2 measurement
sensors
8 Inner measurement sensor not correctly connected,
defective or open circuit in wire
9 Outer measurement sensor not correctly connected,
defective or open circuit in wire
10 1. Measurement sensor for position recognition defective
2. No motor operation
11 1. Measurement sensor for phase recognition defective
2. No motor operation
17 Weight outside setting range (weight required for
balancing is more than 250 g)
18 Wheel data not entered
19 Input signal of right measurement sensor
lower than that of left sensor
20 1. Pedal pressed during measurement
2. Irregular rotational speed of motor
3. Wheel speed below minimum value
Beissbarth GmbH
Faults | MT 857 L | 85
Remedy
1. Check the mains connection.
If the error message persists, contact customer
service.
Caution: Repeated fuse damage is an indication of a
malfunction.
If the error message persists, contact customer
service.
Check and correct calibration and settings.
If the error message persists, contact customer
service.
Wait for end of measurement before raising wheel
guard.
1. Check that wheel is stationary on starting and stop
it turning backwards on starting.
If the error message persists, contact customer
service.
1. Check mains voltage (probably too low).
2. Check electrical connection or power cord.
If the error message persists, contact customer
service.
1. Repeat calibration from the start and attach bal-
ance weight as specified by the process.
If the error message persists, contact customer
service.
1. Lower wheel guard with wheel attached.
If the error message persists, contact customer
service.
1. Check for correct attachment of calibration weight.
2. Check machine connection; MT 857 L probably
not stable and vibrating excessively.
If the error message persists, contact customer
service.
Inform customer service.
Inform customer service.
Check the mains connection.
Inform customer service.
Check the mains connection.
Inform customer service.
1. Check whether the wheel is correctly attached to
the flange.
2. Determine the outer weight position (neverthe-
less), attach a 60 g weight and start a different
measurement.
Enter wheel data before performing measurement.
Inform customer service.
1. Do not press pedal whilst motor is in operation.
2. Make sure the MT 857 L is not subjected to any
impact during measurement.
3. Check mains voltage (probably too low).
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en
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2019-08-05