43
EN
Troubleshooting
Safety
WARNING!
Risk of electric shock.
This can result in serious injuries or death.
► Before opening the device:
► Unplug the device from the mains.
► Disconnect battery.
► Put up an easy-to-understand warning sign to stop anybody inadvertently switching it
back on again.
► Using a suitable measuring instrument, ensure that electrically charged components
(e.g. capacitors) have been discharged.
WARNING!
Danger from an inadequate ground conductor connection.
This can result in severe personal injury or damage to property.
► The housing screws provide a suitable PE conductor connection for earthing the hous-
ing and must NOT be replaced by any other screws that do not provide a reliable PE
conductor connection.
Protective equip-
ment
Charger leads connected to wrong poles,
reverse polarity protection has tripped
Remedy:
- Connect battery poles correctly
Short circuit in the charging terminals or
charger lead, short-circuit detection active
Remedy:
- Check charger leads, contacts and
battery poles
Mains fault - mains voltage outside the tole-
rance range
Remedy:
- Check mains conditions
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