Troubleshooting - Schwamborn DSM 530S Traduction Du Manuel D'utilisation Original

6 Troubleshooting

EN Floor grinding machine DSM 530S / DSM 650S / DSM 800S
6 Troubleshooting
Only suitably knowledgeable, qualified profes-
sional technicians may perform repairs on the
machine.
Malfunction Cause
Machine will not The voltage supply has not
start. been properly connected.
Connecting cable is defec-
tive.
Safety switch is defective.
The safety cap
[17, Fig. B/D] is not pro-
perly engaged.
EMERGENCY STOP but-
ton is pressed.
When using an There is not adequate
extraction, the clearance between the dust
suction housing cover and the surface to be
sucks itself to ground.
the floor.
Grinding pattern g p Tools are loose.
i is uneven.
Tools are damaged or
worn.
Machine shuts Machine is overloaded.
down by itself. The drive overload protec-
tion (MOP) has triggered.
Connecting cable (exten-
sion cable) is too long.
Faulty power supply.
The motor is ro- The main drive belt is sli-
tating but the ding out.
grinding plate is
not turning under
load.
22
Rectification
Join the connecting cable (extension cable) with a proper
power socket and plug the connecting cable's plug into the
power plug [4, Fig. A].
Replace connecting cable.
Replace safety switch.
If necessary, press the safety cap on the safety switch until it
snaps in.
1. Turn FWD/0/REV rotary switch to 0.
2. Determine the cause for the emergency stop and rectify
if necessary.
3. Unlock the EMERGENCY STOP button afterwards.
Correct the clearance between the dust cover and the surface
to be ground ( Chapter 3.1 - page 17).
Fasten tools.
Replace tools.
1. Press RESET button [15, Fig. B].
2. Put the machine into operation
( Chapter 3.1 - page 17).
3. If necessary, reduce the speed with the SPEED regula-
tor.
The minimum diameter and the maximum length of the con-
nection line (extension cable)
Check the connecting cable (extension cable) and replace if
necessary.
Use a different power socket if necessary.
To tension the main drive belt:
1. Switch the machine off
( Chapter 3.4 - page 18).
2. Tilt machine
( Chapter 4.2 - page 19).
3. Unscrew the screw [41].
4. Tighten the clamping screw 1½ rotations clockwise with
the [42] spanner [40] (
5. Retighten the screw [41] with the spanner (turning lock,
Fig. N).
6. Place the machine in operation (
17).
7. Check whether the grinding plate turns under load.
8. If the belt tension is not yet sufficient, repeat steps 1
through 7.
Chapter 7
arrow).
Chapter 3.1 - page