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Problem
0 – 0 Cannot be achieved after correcting unbalance with weights
Remedy
− The wrong program might have been chosen- the program is not suitable for the required
weight position
− Wheel data not correct – Check that the inputted wheel data corresponds exactly to that of
the wheel and the program.
− Zero run and/or calibration run have not been done correctly. Carry out again according to
instructions in the user manual.
− Clamping means is not correctly tightened. Check and clean all parts.
− Position of the clamping means on the main shaft is incorrect. The threaded hole for the
calibration weight should be in line with the red marking on the main shaft axis. (see
installation instructions)
− Check the position of the clamping means. LED machines, select F9 and rotate the shaft until
P0 is reached. The threaded hole in the clamping means should be in 12 0 clock position. If
not, reposition.
− Check if the opto encoder is mounted and positioned correctly. Opto encoder LED 1 and 3
and 2 should light and extinguish. The point 0 is shown when LED 3 extinguishes and stays
out.
− Check the free running of the main shaft. By tightening the bolt on the end of the shaft the
main shaft can be tightened.
− Make sure the 4 securing bolts for the main shaft assembly are secure. Tighten if necessary.
− Check to see that there is no contact between the axis of the main shaft assembly and the
cabinet body.
− Check to make sure the Piezo sensors are fitted correctly. Too loose and they give false
readings, too tight they become damaged. Sensors should be fitted according to service
instructions. Every time work has been carried out with the sensors, a new calibration should
be carried out.
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