Wilo TOP-S Instrucciones De Instalación Y Funcionamiento página 18

English
WARNING! Risk of scalding!
At high water temperatures and system pressure close isolating valves
before and after the pump.
First allow pump to cool down.
These pumps are maintenance-free, self-lubricated by the system fluid and
have no seals to leak or couplings to break.
10 Faults, causes and remedies
DANGER! Electrical shock hazard!
Dangers caused by electrical energy must be excluded.
All electrical work must be performed after the electrical supply has been
disconnected and secured against unauthorized switching.
WARNING! Risk of scalding!
At high water temperatures and system pressure close isolating valves
before and after the pump.
First allow pump to cool down.
Problem
Pump is connected but
fails to run. The green
indicator light is off.
(Fig. 5/6, Pos. 2)
Pump is connected but
fails to run. The green
indicator light is on.
(Fig. 5/6, Pos. 2)
12
Causes
Electrical defect / fuse is
blown.
Ground fault interrupter
has triggered.
Faulty terminal box.
Undervoltage
Winding damage
Capacitor defect (only 1~). Replace capacitor (observe rating
Speed selection connector
not installed.
Subject to technical alterations!
Remedy
Check / replace the fuse.
Should the fuse blow several times
in a row:
• Check the pump for electrical
faults.
• Check the pump mains cable and
electrical connection
Switch ground fault interrupter
back on. Should the circuit-breaker
trip several times in a row:
• Check the pump for electrical
faults.
• Check the pump mains cable and
electrical connection
Call Customer Services.
Check the voltage at the pump
(observe rating plate data).
Call Customer Services.
plate data).
Fit speed selection connector.
WILO SE 02/2016