KNF N952KTE-W Manual De Instrucciones página 111

Diaphragm pump N952KTE-W N952KT.29E-W
Pump not pumping
Cause
Pump is not connected
to the power supply.
No voltage from the
power supply.
Pneumatic connections
or lines are blocked.
External valve is closed
or filter is clogged.
Condensation has col-
lected in the pump
head.
Diaphragm and valves
are worn or defective.
Translation of Original Operating and Installation Instruction, KNF 339866-336533
02/23
10 Troubleshooting
DANGER
à
Allow the pump to cool before troubleshooting.
à
Check the pump (see following tables).
Troubleshooting
à
Connect the pump to the power supply.
à
Check the circuit breaker for the line and reset if
necessary.
à
Check the connections and lines.
à
Remove the blockage.
à
Check external valves and filters.
à
Isolate the source of condensation 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).
à
Install the pump at the highest location in the sys-
tem.
à
Replace diaphragm and valves (see Chapter 8 Ser-
vicing [} 39]).
Tab.23:
Danger: electric shock can be life-
threatening.
à
All work on the pump may only be
performed by an authorized spe-
cialist.
à
Before working on the pump: Dis-
connect the pump from the power
supply.
à
Check and ensure that no voltage
is present.
Troubleshooting
DE
EN
FR
ES
IT
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