Troubleshooting - Ecolab EMP Kompakt II DN20 Manuel D'utilisation

Fault description
Motor control unit
Display view:
Alarm
Fault 4
Oval gear meter
10.2

Troubleshooting

Fault description
Metering pump not working, no
display view
Pump not sucking in despite venting
and max. stroke
Metering head is leaky,
medium comes out through the
diaphragm rupture drain
Empty signal symbol
the display even though container is
full
Cause
Plug-in connection from gears to
board interrupted
Defective board and/or optical
sensor dirty
Pump meters too little or too much.
Malfunctions in the evaluation of
the metering monitoring or of the
oval gear meter.
Defective tube
Diaphragm defective
Back-pressure too high or too low
Cause
Mains cable damaged
Wrong voltage
Pump is switched off
Sediment, sticking of
valves, drying out of
valves
Metering head is loose Tighten the metering head
Diaphragm cracked
appears in Suction lance float is
blocked
Suction lance
connector or link
connector is loose or
not inserted
Defective suction lance
cable
Remedy
Change mains cable
Check mains voltage
Switch on the pump by pressing
the
approximately 2 seconds).
Flush out the metering head via
the suction line; if necessary
also remove the valves and
clean or replace them.
fastening screws crosswise.
Replace diaphragm
Make float serviceable
Tighten connector, clean
contacts, check whether link
connector is inserted
Replace empty signal device
49
Malfunctions
Remedy
Check optical
sensor connection
Send pump back
Check tubes
Check diaphragms
Check back-
pressure
[START/STOP] button (for
417101964 Rev. 4-04.2019