I 0627 - 17
GB
7 - ERRORS
During machine operation there may be various causes of malfunctioning which, if detected by the microprocessor,
are indicated on the display:
ERRORS CAUSE CHECKS
Black The wheel balancer does not come on. 1. Check proper connection to the mains.
2. Check and if necessary replace the fuses on the power board.
3. Replace the computer board.
Err. 1 No rotation signal. 1. Check belt tautness.
2. Check functioning of the phase generator and, in particular, the reset
signal.
3. Replace the phase generator.
4. Replace the computer board.
Err. 2 Too low speed during measurement.
During the unbalance measurement
revolutions, the wheel speed has fallen
to below 42 rpm.
1. Check that a vehicle wheel has been mounted on the wheel balancer.
2. Verify belt tautness.
3. Verify the function of the phase pick-up board and, in particular, the reset
signal.
4. Replace the computer board.
Err. 3 Too high unbalance. 1. Check the wheel dimension setting.
2. Check the sensor connections.
3. Run the machine calibration function.
4. Mount a wheel with a more or less known unbalance (less than 100
grams) and check the machine response.
5. Replace the computer board.
Err. 4 Rotation in opposite direction.
After pressing [START], the wheel
starts turning in the opposite direction
(anticlockwise).
1. Check the connection of the UP/DOWN - RESET signals of the phase
generator.
Err. 7 /
Err. 8 /
Err. 9
NOVRAM parameter read error 1. Repeat machine calibration
2. Shut down the machine.
3. Wait for at least ~ 1 min.
4. Restart the machine and check proper functioning.
5. Replace the computer board.
Err. 11 Too high speed error.
The average spinning speed is greater
than 240 rpm.
1. Check if there is any damage or dirt on the timing disc.
2. Verify the function of the phase pick-up board and, in particular, the reset
signal.
3. Replace the computer board.
Err.14/
Err.15/
Err.16/
Err.17/
Err.18
Unbalance measurement error. 1. Check functioning of the phase generator.
2. Check the sensor connections.
3. Check the machine earthing connection.
4. Mount a wheel with more or less known unbalance (less than 100
grammes) and verify the response of the machine.
5. Replace the computer board.
Err. 22 Maximum number of spins possible for
the unbalance measurement has been
exceeded.
1. Check that a vehicle wheel has been mounted on the wheel balancer.
2. Verify belt tautness.
3. Verify the function of the phase pick-up board and, in particular, the reset
signal.
4. Replace the computer board.
Err. 23 The wheel does not slow down. 1. Remember to release the START/STOP selector when the displays go
off.
2. Check functioning of the phase generator.
3. Replace the computer board.
Err. 32/
Err. 33/
Err. 34/
Err. 35/
Err. 36/
Err. 37
Errors related to test functions of the
wheel balancer.
1. Cancel the error and continue using the wheel balancer as normal.
(18 pages)
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