Bosch Kl 1206 User Manual -

If your charger is not behaving as expected, use this matrix to diagnose the issue.

Indicates a deeply depleted battery that is aggressively drawing current.

The ammeter needle will point to a higher current (near 6A or above). This means the battery is accepting the charge. bosch kl 1206 user manual

Connect the to the negative terminal of the battery (or to the vehicle chassis if the battery is installed).

Effective charging current of approximately 6A (arithmetic current ~4A). Input Voltage: Standard 230V AC. Power Consumption: Approximately 85W. If your charger is not behaving as expected,

Connect the to the positive (+) terminal of the battery.

: Wear safety goggles and gloves when handling lead-acid batteries to protect against acid splashes. This means the battery is accepting the charge

: Once charging is complete, unplug the charger from the mains first. Then, disconnect the black cable followed by the red cable. BOSCH KL 1206 AUTODOC

Clean the battery posts and re-attach the clamps firmly.

The Bosch KL 1206 does not have an automatic "Full" light. Instead, you must read the analog gauge to monitor charging progress.