Wilo TOP-S Notice De Montage Et De Mise En Service page 32

ENGLISH
Problem
Motor is switched on
but fails to run
28
Cause
Elektrical fuse faulty/has switched off. Change fuse/switch on electrical
Residual current operated circuit-
breaker has tiggered.
Undervoltage
Winding damage
Faulty terminal box
Faulty capacitor (with 1~ only).
Terminal box type 1/2/3/6/7
Speed selection connector not
installed.
Terminal box type 3/4/5:
Bridge not or incorrectly assembled.
Terminal box type 6/7 for 1~3~-
operation: green LED on
Remedy
connection.
Should the fuse blow several times in
a row:
– Check the pump for electrical faults.
– Check the pump mains cable and
electrical connection.
Switch residual current operated cir-
cuit-breaker back on. Should the cir-
cuit-breaker trip several times in a row:
– Check the pump for electrical faults.
– Ceck the pump mains cable and
electrical connection.
Check the voltage at the pump
(observe rating plate data).
Call customer Services.
Call customer Services.
Replace the capacitor.
Fit speed selection connector.
Correctly assemble bridge, see
connection diagrams Fig. 8 a-g.