Troubleshooting
Safety
Risk of electric shock.
This can result in serious injuries or death.
▶
▶
▶
▶
▶
Danger from an inadequate ground conductor connection.
This can result in severe personal injury or damage to property.
▶
Protective
equipment
82
WARNING!
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 com-
ponents (e.g. capacitors) have been discharged.
WARNING!
The housing screws provide a suitable PE conductor connection for earthing
the housing and must NOT be replaced by any other screws that do not pro-
vide a reliable PE conductor connection.
Charger leads connected to wrong po-
les, 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
tolerance range
Remedy:
-
Check mains conditions