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Troubleshooting
03/2015
Display text
Possible cause
Remedial measure
Motor protection 1 or 2
Motor protection switch has
triggered
eingestellt
Set current value according to
pump
Motor protection switch set
incorrectly
Pumping current too high due to
faulty or blocked pump.
Remove blockage
Replace pump if faulty
Increased current due to phase
failure
Check power supply for phase
failure
Power outage
(extension flap)
Voltage supply is interrupted,
battery operation in progress.
..reconnect to mains supply
Phase fault
Phase L1, L2 or L3 not
available
Check power supply cable and
fuses
Pump fault 1 or 2
overcurrent
Maximum current consumption
of pump exceeded, perhaps
impeller blockage
Clean the pump and check the
impeller for smooth running,
replace if necessary.
Pump fault 1 or 2
undercurrent
Current consumption of pump
below the minimum value
Check cable and replace if
necessary, check pump and
replace if necessary.
Cable interrupted between
control unit and pump
Pump faulty
Relay fault 1 or 2
Power contactor does not
switch off
Disconnect the control unit
from the mains, replace the
contractor.
Relay operating cycles
1 or 2
Maximum operating cycles
exceeded
Can be acknowledged. Inform
Customer Services. Fault
appears after a further 1000
operating cycles.
Probe fault extension
flap
Cable break or probe faulty
Deactivate battery; Check
cable for correct connection
and passage; Check probe for
function, replace if necessary.
Probe fault flap
Probe fault extension
flap
Probe fault
Temperature exceeded Winding temperature switch has
triggered
Self-resetting when the motor
cools down, fault message
acknowledged automatically
when switched on successfully
again. Replace pump if the
temperature fault persists.
Control unit installed near a
heat source (sun radiation)
Choose different installation
location
Содержание 010-694
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