Faults, Causes And Remedies; Spare Parts - Wilo -Drain TM 32 Einbau- Und Betriebsanleitung

10. Faults, causes and remedies

Only have faults remedied by qualified personnel!
Observe safety instructions in 9 Maintentance.
Fault
The pump does not start or stops during
operation
Pump does not switch on/off
Pump does not pump
Flow rate drops during operation
If the fault cannot be remedied, please
contact the trade or your nearest
Wilo-After-sales Service or agent

11. Spare parts

Spares should be ordered through local trade
outlets and/or the Wilo-After-sales Service.
To avoid queries and incorrect orders, all the
data on the name plate must be indicated when
ordering.
WILO SE 08/2018
Cause
Current supply interrupted
Motor protection switch has tripped
Fluid temperature too high
Pump silted up or blocked
Float switch blocked or cannot move freely Check float switch and ensure mobility
Air in the installation cannot escape
Water level below the intake port
Pressure pipe / hose diameter too small
(losses too high)
Non-return valve sticking in the pressure
port
Hose kinked / check valve closed
Suction strainer blocked / impeller
blocked
12. Disposal
Information on the collection of used electrical
and electronic products
Proper disposal and appropriate recycling of this
product prevents damage to the environment
and dangers to your personal health.
NOTICE: Disposal in domestic waste is forbidden !
In the European Union, this symbol can appear
on the product, the packaging or the accompa-
nying documentation. It means that the electrical
and electronic products in question must not be
disposed of along with domestic waste.
To ensure proper handling, recycling and disposal
of the used products in question, please note the
following points:
• Only hand over these products at designated,
certified collecting points.
• Observe the locally applicable regulations!
Please consult your local municipality, the near-
est waste disposal site, or the dealer who sold
the product to you for information on proper
disposal. For further information on recycling, go
to www.wilo-recycling.com.
Remedy
Check fuses, cables and electrical connec-
tions
Allow the pump to cool down, it will start
again automatically
Allow to cool down
Disconnect the pump from the mains and
remove from the shaft.
Remove the suction strainer and rinse
the suction strainer / impeller under run-
ning water
Place the pump at an angle in water
briefly until the air escapes.
Vent the installation / drain if necessary
Dismantle suction strainer / whirl device,
rinse suction strainer / vent slit under
run- ning water
Check the switch-off level "h1"
If possible, submerge the pump deeper
(observe the switch-off level)
Bigger dimensioning of the pressure pipe
/ hose diameters
Check function
Clear kink in hose / open check valve
Disconnect the pump from the mains and
remove from the shaft.
Remove the suction strainer and rinse
the suction strainer / impeller under run-
ning water
Subject to change without prior notice!
English
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