Spare parts en
Installation and operating instructions Wilo-Medana CH1-L, Wilo-Medana CH3-LE 19
Faults Causes Remedies
The strainer and the suction pipe are partially
blocked
Dismantle and clean them
Incorrect choice of pump Install more powerful pumps
Wrong direction of rotation For the three-phase current version, swap
2phases in the power supply
Insufficient pressure The flow rate is too low, the suction pipe is
blocked
Clean the suction filter and the suction pipe
The valve is not sufficiently open Open the valve
The pump is obstructed by foreign matter Clean the pump
The pump is vibrating Foreign matter in the pump Remove all foreign matter
The pump is not firmly secured Tighten the anchor screws
The motor is overheating, the mo-
tor protection engages
Insufficient voltage Check the fusible cut-outs, the wiring and the
connections
Foreign matter present, bearing damaged Clean the pump
Get the pump repaired by customer service
Ambient temperature too high Provide cooling
If the fault cannot be resolved, please contact the Wilo customer service.
11 Spare parts
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
12 Disposal
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 in-
formation on proper disposal. For further information on recycling, go to
www.wilo-recycling.com.
Subject to change without prior notice.
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