Problems, Causes And Remedies; Pump Does Not Run - Wilo Drain VC 32 Notice De Montage Et De Mise En Service

ENGLISH
– Remove the pump from the shaft and rinse it carefully using
clear water before touching it (never underestimate the risk
of infection!).

8 Problems, Causes and Remedies

Problems

8.1. Pump does not run

8.2. Pump works
insufficiently or not at all
8.3. Pump stops
If no solution can be found, please contact your plumbing and heating specialist or your nearest WILO customer services
team or representative.
8
Causes
a) Electricity supply cut off
b) Winding or cable damaged
c) Rotor blocked (motor buzzing)
d) Motor defect
a) Inlet filter blocked
b) Wrong direction of rotation
c) Pressure pipe blocked
d) Impeller blocked by foreign body
e) Shut-off valve on outlet side
closed or not fully open.
a) Electronic installation fault
b) Pump blocked
c) Pump sluggish
– Set the pump down, loosen the 3 filter fixing screws, remove
the base and disassemble the cover.
– If possible do not remove the impeller to clean it.
Remedies
a) Check wires
If necessary replace fuses.
Switch on the circuit breaker and
mains switch.
b) Check cable resistance and if
ecessary replace cable.
Attention: when replacing,
match the phases up exactly
according to colour.
c) Clean the impeller
(see Chapter 7).
d) Replace the motor
a) Remove and clean filter
b) Interchange two of the mains
connection phases
c) Remove and clean piping
d) See 8.1-c
e) Check shut-off valve and open
where necessary
a) Check entire electronic installation
b) See 8.1-c
c) See 8.1-c
Subject to technical alterations!