23
Polishing motor 2967 00
Problems and solutions
9
Problems and solutions
In the following chapter possible causes for faults and work needed for their
resolution are described.
For problems and faults that cannot be resolved using the following instructions,
contact your authorised dealer or the manufacturer. For Germany see the ser-
vice address on page 2.
9.1 Troubleshooting guide
Personnel: Specialized personnel
Fault descrip-
tion
Cause
Remedy
Motor does not
turn
Power failure
Check the fuse of the power supply.
Instrument not
connected to the
power supply
Connect to the power supply (Chap-
ter 6.3 ‘Connect the unit to the power
supply’ on page 18).
Instrument swit-
ched off
Switch on the device (Chapter 4.2 ‘Po-
wer switch’ on page 14).
Direction of rota-
tion switch in the
middle position
Set the direction of rotation switch
correctly, e.g., L rotation (Chapter 4.3
‘Direction of rotation switch’ on page
13).
Rotational speed
regulator in 0%
position
Set rotational speed regulator higher
than the 0% position, e.g., 50% position
(Chapter 4.4 ‘Rotational speed regula-
tor’ on page 13).
Motor turns
in the wrong
direction
Direction of ro-
tation switch set
incorrectly
Set the direction of rotation switch
correctly, e.g., L rotation (Chapter 4.3
‘Direction of rotation switch’ on page
15).
Motor does not
turn despite
power switch
being switched
on (illumina-
ted rocker is
green)
Direction of rota-
tion switch in the
middle
position
Set the direction of rotation switch cor-
rectly, e.g., L rotation (Chapter 4.3 ‘Di-
rection of rotation switch’ on page 13).
Rotational speed
regulator in 0%
position
Set rotational speed regulator higher
than the 0% position, e.g., 50% position
(Chapter 4.4 ‘Rotational speed regula-
tor’ on page 13).
Rotational
speed cannot
be adjusted
Lock is activated
(20% position
on the rotational
speed regulator)
Unfasten the lock (turn to 0% position
on the rotational speed regulator); if this
does not work, turn rotational speed
regulator anticlockwise parallel with the
lock (Chapter 4.4 ‘Rotational speed
regulator’ on page 13).
