Faults, Causes And Remedies - Wilo HiSewlift 3 Notice De Montage Et De Mise En Service

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10 Faults, causes and remedies

WARNING! Risk of electric shock!
Before any work on the system, DE-ENERGISE the unit by disconnecting
the electrical supply to the system, and prevent unauthorised restarting.
The indicator light being off does not mean that the pump is de-energised.
Faults
The motor will not start
The motor is running
with a rattling noise or is
humming but not running
The device keeps stopping
and starting
The motor is running
correctly but does not
stop or runs for a very
long time
The device has stopped
The motor is running
jerkily and the water in
the toilet bowl is going
down slowly
Turbid water flowing
back into the shower
(device with lateral inlets)
If you cannot remedy the fault, please contact Wilo customer service.
30
Causes
Device is not plugged in
Faulty power supply
Problem with motor or
control system
Motor blocked by a foreign
object
Problem with motor or
control system
The connected sanitary
devices are leaking
The non-return valve is
leaking
The height or length of the
drain is too great (friction
loss)
Hydraulic problem (clogging) Contact an approved repair
The device was running for
too long (high temperature
cut-out)
The vent in the cover is
blocked up
Motor problem
Shower connected too low
relative to the comminutor
Flaps on lateral inlets clogged Clean the flaps, then contact
Remedies
Plug in the device
Check the power supply
Contact an approved repair
technician
Remove the foreign object
Contact an approved repair
technician
Check the upstream installations
Clean or replace the non-return
valve.
Review the installation
technician
Wait for reset, then contact an
approved repair technician if
necessary
Unblock the vent hole
Contact an approved repair
technician
Review the installation
an approved repair technician if
necessary
09/2014