Faults, Causes And Remedies - Wilo -HiDrainlift 3 Einbau- Und Betriebsanleitung

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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.
Faults
The motor will not start
The device keeps stopping
and starting
The motor is running cor-
rectly but does not stop
or runs for a very long
time
The device has stopped
Turbid water flowing
back into the shower
(device with lateral inlets)
If you cannot remedy the fault, please contact Wilo customer service.
28
Causes
Device is not plugged in
Faulty power supply
Problem with motor or con-
trol 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 tech-
The device was running for
too long (high temperature
cut-out)
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 tech-
nician
Check the upstream installations
Clean or replace the non-return
valve.
Review the installation
nician
Wait for reset, then contact an
approved repair technician if
necessary
Review the installation
an approved repair technician if
necessary
09/2014