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10. Fault finding
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you
start any work on the product. Make
sure that the power supply cannot be
switched on accidentally.
‐
Lock the main switch in off position, or
unplug the power plug. Type and
requirements are specified in EN
60204-1, 5.3.
WARNING
Biological hazard
Death or serious personal injury
‐
Before carrying out maintenance and
service on lifting stations used for
pumping liquids that might be
hazardous to health, do as follows:
‐
Flush the lifting station thoroughly with
clean water and drain the outlet pipes.
‐
Close the isolating valves.
‐
Rinse the dismantled parts in water.
‐
Wear personal protective equipment.
‐
The work must be carried out in
accordance with local regulations.
CAUTION
Hot surface
Minor or moderate personal injury
‐
Wear protective gloves.
CAUTION
Back injury
Minor or moderate personal injury
‐
Use lifting equipment.
CAUTION
Crushing of feet
Minor or moderate personal injury
‐
Wear safety shoes when handling the
product.
34
10.1 Warning and alarm codes on the
display of the level controller
For information about causes and remedies for
warning and alarm codes shown on the display on the
level controller, see the installation and operating
instructions for the level controller and Grundfos GO
Remote.
Related information
2.1.3 Level controller
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