KNF Labor N022.18 Originalbetriebsanleitung Seite 113

Diaphragm pump N022.18, N026.18
Translation of Original Operating Instruction, KNF 121224-121388 04/23
Fault cannot be rectified
If you are unable to identify any of the specified causes, send
the pump to KNF Customer Service (contact data: see
www.knf.com).
1. Flush the pump with air for a few minutes (if necessary for
safety reasons: with inert gas) at atmospheric pressure to
free the pump head of dangerous or aggressive gases
(see Chapter Flushing the pump).
2. Clean the pump (see Chapter Cleaning the pump).
3. Send the pump together with completed Health and
Safety Clearance and Decontamination Form to KNF,
specifying the pumped medium.
Troubleshooting
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