Troubleshooting
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Troubleshooting
During the warranty period, intervention in the WOB-L
®
Piston Pumps and accessory com-
ponents may only be made by manufacturing firm.
Trouble
Cause
Remedy
by:
with:
Pump does
not start
No power supply
Qualified
electrician
Check electrical installation
Motor defective
Service
workshop
Exchange
Pump does
not generate
a vacuum or
overpressure
Connected apparatus
and/or
connecting elements
leaking
User or
Service
workshop
Identify and seal the leak,
replace the seals and/or
hoses if necessary.
Pump leaking
Exchange the hoses
and/or fittings if necessary.
Pump dirty
General maintenance /
Cleaning
loose screws
Tighten the screws
Running
noise
loose screws
or connectors
Tighten the screws
and / or connectors
Cable
defective and/or brittle
Qualified
electrician
Exchange of the cable
