Troubleshooting
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8
Troubleshooting
Only manufacturing firm and authorized service workshops may work on the pump systems
and their accessories during the warranty period.
Trouble
Cause
Remedy
by:
with:
Vacuum pump
does not start
No power supply
Qualified
electrician
Check electrical installation
Motor defective
Service
workshop
Exchange
Pump body defective
Repair and/or exchange
Vacuum pump
does not
generate a
vacuum or
only an
inadequate
one
Connected apparatus
and/or connecting
elements leaking
User or
Service
workshop
Identify and seal the leak,
replace the seals and/or
hoses if necessary.
Vacuum pump leaking
Check the hose
connections between the
pump heads, replace the
hoses and/or fittings
if necessary.
Pump head leaking
Service
workshop
Repair and/or exchange
Diaphragm defective
User or
Service
workshop
Exchange of the diaphragm
(see chapter 7.2)
Valve defective
Exchange of the valve
(see chapter 7.2)
Vacuum pump dirty
General maintenance /
leaning
Valves dirty
Cleaning condensates
and foreign objects out of
the valves.
Running noise
Vacuum pump dirty
User or
Service
workshop
General maintenance /
cleaning
Glass
components
defective and/or leaking
User
Exchange of the glass
parts or seals
Cable(s)
defective and/or brittle
Qualified
electrician
Exchange of the cable(s)
No pressure
indicated on
the controller
No power supply
Qualified
electrician
Electrical system to be
checked
Controller
cannot be set
or programmed
Electronics / display
are defective
Service
workshop
Repair and/or exchange
Missing
control signal
Incorrect input
User
Check the input
and correct if necessary
Controller defective
User
Switch the device off,
and switch it on again after
three seconds
User or
Service
workshop
Replace the controller
