Operating Manual
V
ACU
M
ASTER
VHB 250-500
Chapter 6
Trouble Shooting
J. Schmalz GmbH
Aacher Straße 29
D - 72293 Glatten
Tel +49 +7443 / 2403 - 0
Fax +49 +7443 / 2403 - 259
http://www.schmalz.de
e-mail: [email protected]
BA 30.30.01.00223
Status 03.2013 / Index 00
Page 13 / 16
6
Trouble Shooting
The device must be installed and maintained by qualified personnel, mechanics
and electricians. Any work on the electrical equipment may be carried out only
by a qualified electrician.
After each repair or maintenance job check the guards as described in the
Op
erating Manual “Safety”.
Fault
Cause
Remedy
Pump does not run
Wrongly connected, defective
Check and correct connections
Motor overload switch tripped
Check
Power on two phases only
Check connections and fuse
Current consumption too high
Check motor for defects. Possibly a
thermal over-load (allow it to cool),
clean dust filter
Power supply failure
Check supply line
Vacuum pump defective
Check the pump, call for service
Pump runs, but does
not generate a vacuum
Wrong rotation direction
Check and correct connections
Slide valve is closed
Open it
Not all suction pads are in contact with
the workpiece (air is drawn in)
Position the device with suction pads
completely on the workpiece
Slide valve of a suction pad which is not
in contact with the workpiece is open
Close the slide valve
Water separator is dirty
Clean / replace it
Vacuum generator
works but load cannot
be picked up
Workpiece has cracks, openings or
is porous
Such workpieces cannot be handled
with this lifting device
Seal damaged
Replace seal
Hose defective / connectors not tight
Replace components
Vacuum gauge defective
Replace vacuum gauge
Warning device sounds
without a recognizable
reason
Workpiece has cracks or openings or is
porous
Such workpieces cannot be handled
with this lifting device
Sealing lip / suction pad is damaged
Replace the sealing lip / suction pad
Hose defective / connectors not tight
replace components
Vacuum switch defective or set wrongly Call customer service
