HTC 270 EG, Manual

Page: 42 / 53

Faultfinding HTC 270 EG
34 2.0
6 Faultfinding
6.1 General Information
This chapter describes all the faults that may occur and how to deal with them. If the
fault cannot be dealt with, or if there are other faults, contact your nearest retailer. See
Contact Information at the front of the manual.
6.2 The machine will not start
• Check the machine is connected to the mains supply.
• Check the correct voltage is being supplied to the machine.
• Check if the emergency stop switch on the control panel is pressed. Reset the
switch by turning it 45°.
• Check to see whether the converter is in a fault condition and, if so, remedy this
as follows:
-
Reset the electronics by turning the Grinding knob to “Reset”. If this does not
help, reset the frequency converter according to the instructions in chapter
Electronic error codes, page
36 .
- Check the error code in the converter, see the error code table in
chapterElectronic error codes, page
36 .
• Check the fuses in the control cabinet.
• Check that the connector is correctly connected on the underneath of the control
cabinet.
6.3 The machine vibrates or wears the tool unevenly
• Check the grinding head is correctly adjusted, see Adjustment of grinding head,
page
24 .
• Check the grinding holder. Recondition or replace the grinding holder as
required.
• Check the tool holder. Recondition or replace the tool holder as required.
6.4 The machine is grinding at an angle
• Check the grinding head is correctly adjusted, see Adjustment of grinding head,
page
24 .
• Recondition the grinding holder. See under The machine vibrates or wears the
tool unevenly, page
34 .