en
Faults
Insufficient pressure
The pump is vibrating
The motor is overheating, the mo-
tor protection engages
11
Spare parts
12
Disposal
32
Spare parts
Causes
The strainer and the suction pipe are partially
blocked
Incorrect choice of pump
Wrong direction of rotation
The flow rate is too low, the suction pipe is
blocked
The valve is not sufficiently open
The pump is obstructed by foreign matter
Foreign matter in the pump
The pump is not firmly secured
Insufficient voltage
Foreign matter present, bearing damaged
Ambient temperature too high
If the fault cannot be resolved, please contact the Wilo customer service.
All spare parts should be ordered directly from the Wilo customer service. To prevent
errors, always quote the data on the pump's rating plate when making an order. The
spare parts catalogue is available at www.wilo.com
Information on the collection of used electrical and electronic products.
Proper disposal and appropriate recycling of this product prevents damage to the envi-
ronment and dangers to your personal health.
NOTICE
Disposal as domestic waste is forbidden!
In the European Union, this symbol can appear on the product, the packaging or the
accompanying 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:
ƒ
Only hand over these products at designated, certified collecting points.
ƒ
Observe the locally applicable regulations! Please consult your local municipality, the
nearest waste disposal site, or the dealer who sold the product to you for informa-
tion on proper disposal. For further information on recycling, go to www.wilo-recyc-
ling.com.
Subject to change without prior notice.
Remedies
Dismantle and clean them
Install more powerful pumps
For the three-phase current version, swap
2 phases in the power supply
Clean the suction filter and the suction pipe
Open the valve
Clean the pump
Remove all foreign matter
Tighten the anchor screws
Check the fusible cut-outs, the wiring and the
connections
Clean the pump
Get the pump repaired by customer service
Provide cooling
WILO SE 03/2021