Troubleshooting; Error Codes; Inconsistent Unbalance Measured Values - Zipper Maschinen ZI-RWM99 Mode D'emploi

22

TROUBLESHOOTING

22.1 Error Codes

Certain errors occurring during operation are automatically detected by the device system and
shown on the display by means of an error code - see table below:
Error
Fault
Code
1 No rotation signal
Speed is less than 60
2
revolutions per minute
3 Miscalculation
Wrong direction of
4
rotation
5 Faulty computer board
7 Card related error
Memory error during
8
self-calibration

22.2 Inconsistent unbalance measured values

When a wheel that has already been balanced is mounted again for balancing, it sometimes
seems as if the wheel has not yet been balanced.
This is usually not due to an incorrect display of the machine, but to the mounting of the wheel
on the adapter - i.e. in the two brackets the wheel has taken a different position in relation to
the centre line of the balancing machine.
Small errors of up to ten grams (4 oz) are considered normal for wheels fixed by cones; for
wheels locked with screws or bolts, the error is usually greater.
If the wheel is mounted on the adapter with screws, it may be that the screws are not
tightened properly - they should be tightened one by one, or, as is often the case, holes have
been drilled on the wheel with too much tolerance.
If a balanced wheel does not run smoothly after being reinstalled in the vehicle, this may also
be due to an imbalance in the car brake drum or (very often) to holes drilled in the rim and
drum bolts with excessive tolerances. In this case, rebalancing with the wheel mounted on the
vehicle can be useful.
ZIPPER MASCHINEN GmbH
ZI-RWM99
Possible cause
Faulty position sensor,
rotation obstacle
(something prevents the
wheel from turning) or
faulty computer board
No wheel mounted,
faulty position sensor or
faulty computer board
Incorrect self-
calibration, excessive
unbalance or faulty
circuit board
Incorrect direction of
rotation, faulty position
encoder or faulty
computer board
Faulty computer board
Incorrect self-calibration
or faulty computer
board
Start of a second cycle
without reference
weight, crack in
transformer cable,
faulty computer board
or faulty power supply
board
www.Zipper-Maschinen.at
TROUBLESHOOTING
Remedy
Replace position encoder
Remove obstacle
If necessary, contact your
dealer.
Mounting tyres
Replace position encoder
If necessary, contact your
retailer
Repeat self-calibration, check
correct wheel centering on the
shaft; contact your retailer if
necessary
Replace position sensor, correct
direction of rotation, contact
your retailer if necessary
If necessary, contact your
retailer
Repeat self-calibration; contact
your retailer if necessary
Attach reference weight, replace
transformer cable, contact your
retailer if necessary
33