Troubleshooting - M&C MP47-Z Ex Betriebsanleitung

Diaphragm Pumps PJ19424-726 EX
Pump does not transfer
Cause
Connections or lines blocked.
External valve is closed or filter
is clogged.
Condensate has collected in
pump head.
Diaphragm or valve plates are
worn.
Flow rate, pressure or vacuum too low
The pump does not achieve the output specified in the Technical data or the data sheet.
Cause
Condensate has collected in
pump head.
Pneumatic lines or connection
parts have an insufficient cross
section or are throttled.
Leaks occur on connections,
lines or pump head.
Connections or lines completely
or partially jammed.
Head parts are soiled.
Diaphragm or valve plates are
worn.
Translation of Original Operating- and Installation Instructions, english, KNF PJ19424-726 EX 09/16 23
9.

Troubleshooting

Extreme danger from electrical shock!
 Disconnect the pump power supply before working
on the pump.
DANGER
 Make sure the pump is de-energized and secure.
1. Check the pump (see Tab. 14 and 15).
2. Also see the drive-motor operating- and installation instructions
for troubleshooting.
Fault remedy
 Check connections and lines.
 Remove blockage.
 Check external valves and filters.
 Flush pump (see Section 8.2.1).
 Install pump at highest point in system.
 Replace diaphragm and valve plates (see Section 8.3).
Tab. 14
Fault remedy
 Flush pump (see Section 8.2.1).
 Install pump at highest point in system.
 Disconnect pump from system to determine output values.
 Eliminate throttling (e.g. valve) if necessary.
 Use lines or connection parts with larger cross section if
necessary.
 Eliminate leaks.
 Check connections and lines.
 Remove the jamming parts and particles.
 Clean head components.
 Replace diaphragm and valve plates
(see Section 8.3).
Tab. 15
Troubleshooting