Spare Parts - Wilo CONTROL BOX CE+ WeH Installation And Operating Instructions Manual

English
9. Maintenance
Before performing any maintenance or repair,
switch off the main switch of the installation!
The control box shall be kept clean.
10. Defects - causes - remedies
Defects
The system does not run, no light ON
The contactor does not switch on
Pump fault signalling
Lack of water signalling
The display shows
« Err-Lea »
The display shows
« Err-Sen »
Switching frequency of the pump too
high

11. Spare parts

All spare parts must be ordered through WILO
Customer Services.
In order to avoid any mistakes, please specify the
name plate data for orders.
Spare parts catalogue is available at
www.wilo.com.
Subject to technical alterations!
18
Causes
Differential circuit breaker OFF
Wrong mains connection
Missing phase
Wrong voltage selection
Transformer protection fuse out of order Replace the fuses
Wrong setting of the current protection Check the motor consumption and set
Wrong mains connection
Motor consumption too high
Low motor consumption (< 0,5A)
No water in the system
Float switch fault
The capacity of the tank is not ok with
the real volume of expansion of system
There is a leakage on the installation
Transmitter wrong connected
Transmitter cable cut
Transmitter current <2mA
Installation capacity too low
Setting deviation between switching
pressure PLo and stopping pressure PHi
too small
Remedies
Set the circuit breaker
Check every phase
Check the network
Check the voltage selection (230/400V)
correctly the current protection poten-
tiometer
Check phase order
Repair or replace the motor
Check the motor wiring or the winding
continuity
Check that the valves of all the pumps
are open
Check that the float switch is fitted with
a Normally Open Contact
Check the volume of expansion of the
installation
Check the installation
Check the wiring
Replace the transmitter cable
Replace the transmitter
Set the main delay setting
Review settings of PLo and PHi values
WILO SE 09/2011