Bosch Kl 1208 Manual Top Official

Apply a load to the battery (e.g., turning on the vehicle's full-beam headlights).

If a short circuit or reverse connection occurs, the charger will automatically shut down. Turn the unit off, fix the connection, and restart. bosch kl 1208 manual top

This may signify the battery is already fully charged or the unit is not switched on. Apply a load to the battery (e