Swing Piston vacuum pump NPK012
Troubleshooting
Translation of original operating and installation instruction, Englisch, KNF 316780-316783 05/19
23
10 Troubleshooting
DANGER
Danger to life from electric shock
à
All work on the pump may only be performed
by authorized specialists.
à
Disconnect the pump power supply before
working on the pump.
à
Check and ensure that no voltage is present.
Check the pump (see following tables).
Pump does not transfer
Cause
Fault remedy
Pump is not connected to the elec-
trical mains.
à
Connect pump to the electrical mains.
No voltage in the electrical mains.
à
Check room fuse and switch on if necessary.
Connections or lines are blocked.
à
Check connections and lines.
à
Remove blockage.
External valve is closed or filter is
clogged.
à
Check external valves and filters.
Condensate has collected in the
pump head.
à
Separate the source of the condensate from the
pump.
à
Flush the pump with air at atmospheric pressure
for a few minutes (if necessary for safety reasons:
with an inert gas).
Max. voltage range of motor ex-
ceeded.
à
Disconnect pump from electrical mains.
à
The applied voltage must not exceed the value
specified in Chapter
Tab. 10
Summary of Contents for NPK012 Series
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