Troubleshooting
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2522-34-46
7
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
Valve defective
Exchange
Valves dirty
Cleaning condensates
and foreign objects out of
the valves.
Valves, seals
defective or dirty
Exchange or cleaning
loose screws
User
Tighten the screws
Separator container
is full
Empty the separate container
Running
noise
Pump dirty
User or
Service
workshop
General maintenance /
Cleaning
Valves, seals
defective or dirty
User
Exchange or cleaning
loose screws
or connectors
Tighten the screws
and / or connectors
Cable
defective and/or brittle
Qualified
electrician
Exchange of the cable
