Wilo Control MS-L Series User Manual

en Disposal
34 WILO SE 2020-05
Symbol Signalling Cause Troubleshooting
LED lights up.
High water alarm active Check pump/system operating conditions and level set-
tings.
LED flashes.
Switchgear is operated without any
load.
Check mains connection of the switchgear and pump con-
nection.
LED lights up.
Set rated current exceeded Check and, if necessary, correct the setting of DIP switch1.
LED lights up.
Temperature sensor in motor triggered Check connection, the converter bridge may be missing.
Check the operating conditions of the pump.
All LEDs light up for
2s.
Key lock active Deactivate key lock.
All LEDs light up
from right to left.
Incorrect phase sequence at mains con-
nection
Swap over 2 phases at the mains connection of the
switchgear.
All LEDs flash at the
same time.
Sensor fault Check connection.
Contact customer service to have the faulty sensor re-
placed.
11.5 Fault memory
The last fault is stored retentively in the fault memory. The corresponding LED lights up
when the fault is retrieved.
Function Buttons Description
MS-L1... MS-L2...
Open the fault memory.
Pressing the Stop and automatic mode buttons at the same time.
Delete the fault memory.
Pressing the Stop and manual mode buttons for longer (approx. 1s) at
the same time (pump 1).
11.6 Further steps for troubleshooting
If the points listed here do not rectify the fault, please contact customer service. Costs
may be incurred if other services are used. For more details, please contact customer
service.
12 Disposal
12.1 Rechargeable battery
Do not dispose of rechargeable batteries in domestic waste and remove them before
product disposal. End consumers are legally obliged to return all used rechargeable bat-
teries. For this purpose, you can return used rechargeable batteries free of charge at
municipal collection points or specialist retailers.
NOTICE
Disposal in domestic waste is prohibited!
Affected rechargeable batteries are marked with this symbol. The identifier for the
heavy metal they contain is displayed beneath the graphic:
• Hg (mercury)
• Pb (lead)
• Cd (cadmium)
12.2 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 putting your personal health at risk.
NOTICE
Disposal in domestic waste is prohibited!
In the European Union this symbol may be included 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.

Wilo Control MS-L Series Specifications

General

Brand	Wilo
Model	Control MS-L Series
Category	Control Unit
Language	English