Ecolab ULTRAX Compact - 12.5 Metering pump TCD Turbo Pump; 12.5.1 Operating faults

Fault description Cause Remedy
Metering pump not working; green LED does not light
up.
Incorrect mains voltage.
Check mains voltage.
Pump not sucking in despite bleeding and max.
stroke.
Sediment, sticking of valves,
drying out of valves
Flush out the metering head via
the suction tube; if necessary
,
also remove the valves and
clean or replace them.
Metering head is leaking, medium escapes through
the diaphragm rupture drain.
Metering head is loose.
T
ighten the metering head
fastening screws crosswise.
Tear in diaphragm.
Replace diaphragm.
Metering pump not working, even though the switch
in ON.
Suction/pressure valve
leaking.
Clean valve.
Metering quantity setting too
low
.
Increase stroke quantity
adjustment.
Metering valve blocked.
Clean and flush the valve.
Metering back pressure too
high.
Check metering line.
After the cause of the fault has been eliminated, the mains must be switched
off or the switch switched to "0" in order to acknowledge the fault message.
12.5 Metering pump TCD Turbo Pump
12.5.1
Operating faults
Fault description Cause Remedy
No metering Back-pressure too high
Reduce pressure
Valve on pressure side closed
Open valve on pressure side
Motor overheated/defective
Allow motor to cool or replace pump
Pump metering too little Suction hose leaking
Check suction line
Back-pressure too high
Check back-pressure
Dosing pump does not work Mains cable damaged
Change mains cable
Wrong voltage
Secure actuation
No suction by pump Sediment, sticking of valves
Flush out pump head via suction
line; if necessary
, remove valves and
clean/replace them
Cross section of suction or pressure
lines too large. (especially for 20 l/h
version)
Use smaller hose sizes. (e.g. 6/12
mm with the 20 l/h)
Pump head is leaking, medium comes
out through the diaphragm rupture drain
Pump head is loose
Diagonally tighten the pump head
fastening screws
Diaphragm torn
Replace pump
Troubleshooting
91 MAN046590 Rev. 6-03.2022