General Information; The Machine Will Not Start; The Machine Vibrates Or Wears The Tool; The Machine Is Grinding At An Angle - HTC GL 270 User Manual

Faultfinding
6 Faultfinding
6.1

General Information

This chapter describes 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.
6.1.1

The machine will not start

• Check if the emergency stop switch on the control panel is pressed. Reset the
switch by turning it 45° clockwise.
• Check that the connection to the mains supply is correct.
• Check that the motor cable is attached correctly.
• Check that the fuses or earth fault breaker on the mains supply have not been
tripped.
6.1.2 The machine vibrates or wears the tool unevenly
• Recondition the grinding holder by replacing the sleeves and vibration damper.
• Check that there is movement between the chassis and grinding head.
6.1.3

The machine is grinding at an angle

• Recondition the grinding holder. See under
tool unevenly, page
• Check that there is movement between the chassis and grinding head.
6.1.4

The fuses trip frequently

• The load is too high on the distribution box to which the machine is connected.
Try changing socket.
• Check the tools. Ensure that the correct tools are used, that they are in working
order and that they are correctly fitted.
6.1.5 The machine cannot cope
• Heavy load. Press the handle down slightly so that the grinding head eases
slightly away from the surface being ground.
• Ensure the mains supply quality by checking that there is full voltage on the
motor's phase/phases.
28
28.
The machine vibrates or wears the
HTC GL
270/400/450/550
1.0