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Troubleshooting
6. Troubleshooting
6.1. General
This chapter describes all the errors that may occur and how to deal
with them. If the error cannot be dealt with, or if there are other
errors, contact your nearest retailer. See Contact Information at the
start of the manual.
6.1.1. The machine will not start
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6.1.2. The machine vibrates or wears the tool unevenly
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6.1.3. The machine is grinding unevenly
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26
Check if the emergency stop switch on the control panel is
pressed. Reset the switch by turning it 45°.
Check if the power connection is correct. Check that there
is full voltage on the motor's phase/phases. If the phase/
phases do not have full voltage, the converter is faulty:
- Reset the electronics by turning the Grinding
knob to "Reset". If this does not help, carry
out a reset procedure as follows Resetting the
frequency converter on page 30 or Resetting
the frequency converter on page 31.
- Check the error code in the converter, see the
error code table in chapter Electronic Error
Codes on page 28.
Check the fuses and contactors in the control cabinet.
Recondition the grinding holder by changing the sleeve.
Check that there is movement between the chassis and
grinding head. If necessary, loosen one of the two pins in
order to increase the movement between the chassis and
grinding head.
Recondition the grinding holder, see under The machine
vibrates or wears the tool unevenly on page 26 above.
Check that there is movement between the chassis and
grinding head. If necessary, loosen one of the two pins in
order to increase the movement between the chassis and
grinding head.
HTC 420 VS
3.0
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