Problems, Causes And Remedies; Spare Parts - Wilo Drain STS 40 A Série Notice De Montage Et De Mise En Service

10. Problems, causes and remedies

Only allow faults to be remedied by qualified
personnel!
Follow the safety instructions in Maintenance.
Problems
Pump does not run
Safety switches thrown
Pump has no power
If no solution can be found, please
contact your plumbing and hea-
ting specialist or your nearest Wilo
Customer Service or representative.

11. Spare parts

Spare parts are ordered via a local specialist dealer
and/or Wilo customer service.
In order to avoid queries and incorrect orders,
make sure to mention all data indicated on the
rating plate when placing your order.
Subject to technical alterations!
WILO SE 04/2014
Causes
No voltage
Rotor blocked
Cable rupture
Water in the motor chamber
Foreign bodies in the pump,
winding protection contact triggered
Pump drawing up air because fluid level
is too low
Pressure pipe blocked
remedy
Check the wires and fuses, or switch
automatic fuses in the distribution sta-
tion back on
Clean the housing and impeller, if still
blocked replace the pump
Check the cable resistance. If necessary,
replace the cable. Only use genuine Wilo
special cable
Contact customer service
Disconnect the system from the elec-
tricity supply and secure it against being
switched on
Lift the pump out of the sump.
Remove the objects
Check the function/setting of the level
control
Detach the pipe and clean it
English
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