Wilo DrainLift XL 2/10 Installation And Operating Instructions Manual page 42

English
Cause Remedy
1 Pump inlet or impeller clogged
• Remove deposits in the pump and/or tank
2 Incorrect direction of rotation
• Swap two phases of the current feed
3 Wear to inner parts (impeller, bearing)
• Replace worn parts
4 Operating voltage too low
5 Running on two phases (only with 3~ version)
• Replace defective fuse
• Check line connections
6 Motor not running, since no voltage available
• Check electrical installation
7 Motor winding or electrical line defective
8 Non-return valve clogged
• Clean non-return valve
9 Excess water level drop in the tank
• Check/exchange the level monitor
10 Level monitor defective
• Check the level monitor
11 Slide valve in pressure pipe not or insufficiently open
• Open slide valve completely
12 Impermissible amount of air or gas in the fluid
13 Radial bearing in motor defective
14 Unit-related vibrations
• Check piping for flexible connection
15 Temperature monitor for winding monitoring switched off due to excessive winding temperature
• Motor switches on again automatically after cooling down.
16 Pump ventilation clogged
• Clean ventilation line
17 Thermal overcurrent monitor triggered
• Reset overcurrent monitor in switchgear.
38
1)
2)
1)
To remedy faults on parts under pressure, depressurise them first (vent the non-return valve and drain the tank,
if necessary with diaphragm hand pump).
2)
Further enquiry required
11 Spare parts
Spare parts may be ordered via a local specialist retailer and/or Wilo customer service.
To avoid queries and incorrect orders, all data on the name plate should be submitted for
each order.
12 Disposal
Damage to the environment and risks to personal health are avoided by the proper disposal
and appropriate recycling of this product.
1. Draw on public or private waste management companies for the disposal of the prod-
uct or components.
2. For more information on the correct disposal, please contact your local council or waste
disposal office or the supplier from whom you obtained the product.
Subject to change without prior notice!
2)
2)
WILO SE 03/2011