Schmalz VACUMASTER BASIC - Troubleshooting

Operating Instructions
VACUMASTER
Chapter 6
Troubleshooting
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: schmalz@schmalz.de
30.30.01.00185 Status 03.2013 / Index 00 Page 23 / 28
6 Troubleshooting
This unit should only be installed and maintained by qualified specialist per-
sonnel (mechanics and electricians). Work on electrical equipment may only
be carried out by qualified electricians.
After repair and maintenance work, always check safety equipment as set out
in the "Safety" manual.
Fault
Cause
Recommended action
Vacuum generation is not
operational
No compressed air supply
Check supply system or pressure reducer
Pressure in compressed air supply system
too low
Adjust pressure to 6 – 7 bar
Vacuum of -0.6 bar or -
0.2 bar not reached
Sealing lip of the suction plate is damaged
Replace suction plate
Workpiece has cracks, notches or is too
porous
This lifting device cannot handle the
workpiece
Manometer fault
Replace manometer
Leaking hose / screw connections
Replace / seal components
Vacuum generator
functioning but working part
not being picked up
Manual sliding valve on the operating
lever is in the "Release" position
Move the manual sliding valve on operating
lever into the "Pick up load" position
Manual sliding valve fault
Repair / replace
Not all suction plates cover the workpiece
(leaking air is being sucked in)
Position the lifting device on the workpiece
such that all suction plates cover the work-
piece completely
Valve on suction plates not covered by the
workpiece is open
Switch off the suction plate in question using
the valve on the suction plate
Filter is dirty
Clean or replace cartridge
Filter not closed
Close lid
Leaking hose / screw connections
Replace / seal components
Warning device triggered
Cracks, gaps in workpiece or porous
workpiece
This lifting device cannot handle the
workpiece
Sealing lip is damaged
Replace sealing lip
Hose fault / leaking screw connections
Replace components
Vacuum switch adjusted / fault
See the operating manual "Vacuum switch"
or contact customer service
Pump does not start
Elect. connection reversed, fault
Check connection, correct if necessary
Motor protection switch triggered
Check electrical system
Voltage on two phases only
Check connection / fuse
Current consumption increased
Check motor for fault – overheated? (allow to
cool), clean vacuum filter
Power supply interrupted
Check power supply line
Vacuum pump fault
Check pump / call after-sales service team
Vacuum generator
functioning but working part
not being picked up
Pump rotation direction reversed
Check connection, correct if necessary
Motor of rotating or turning
device does not work
Power supply interrupted
Check power supply line
Linear actuator fault
Have linear actuator repaired or replaced