Ecolab 141277, Operating Instruction

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