TROUBLESHOOTING
30.30.01.00127/03
www.schmalz.com
EN | 37
Problem
Cause
Solution
Pump does not start
Elect. connection reversed, faulty
Check connection; correct if
necessary
Motor protection switch triggered
Check electrical system
Voltage only on two phases
Check connection/fuse
Power consumption increased
Check motor for fault; is it
overheated? (Allow to cool),
clean vacuum filter
Power supply interrupted
Check the power supply line
Vacuum pump not working properly
Check pump/contact customer
service
Vacuum generator
functioning, but
workpiece is not vacuum-
gripped
Pump rotation direction reversed
Check connection; correct if
necessary
Motor of swiveling or
turning device does not
work
Power supply interrupted
Check power supply line
Linear actuator defective
Have linear actuator repaired or
replaced