When you start, the needle on the front display will jump to a high number (e.g., 4 or 6 Amps).
: Ensure the battery is in a well-ventilated area. Check the battery terminals for corrosion before connecting. Connection : bosch kl 1206 user manual top
: Ensure the charger is unplugged from the wall before making any battery connections. Connect Terminals : Attach the to the positive (+) battery terminal and the black clamp to the negative (-) terminal. : Plug the charger into a standard mains outlet. When you start, the needle on the front
A low hum is normal for these transformer-based chargers. To help you get the best results, could you tell me: How long has the battery been sitting unused ? Does the battery show any signs of leaking or bulging ? Is the fuse on the front of your KL 1206 still intact? Connection : : Ensure the charger is unplugged