Troubleshooting
7 Troubleshooting
During the warranty period, intervention in the diaphragm pumps and accessory components
may only be made by ILMVAC GmbH.
Trouble
Cause
Action
No power supply to the
motor
Electrical system to be checked
by a qualified electrician.
Motor defective
Exchange by service shop.
Diaphragm pump
does not start
Pump body defective
Exchange or repair by service
shop.
Connected apparatus
leaks,
connecting elements
leak
Identify and seal the leak, replace
the seals and hoses if necessary.
Diaphragm pump leaks
(pipes or hoses)
Check the hose connections be-
tween the pump heads,
replace the hoses and screwed
clamping rings if necessary.
Pump head leaks
Repair by service shop.
Diaphragm defective
Repair by the service workshop
or the user.
Valves are dirty
Clean condensates and foreign
objects out of the valves.
Cleaning by the service workshop
or the user.
Valves defective
Replace valves
Repair by the service workshop
or the user.
The diaphragm
pump does not
generate a
vacuum or only
an inadequate
one
Diaphragm pump is dirty
Cleaning by the service workshop
or the user.
20 4000722
