Battery is not being charged

Cause: The charger has identified an internal error.

Corrective measure: Ensure that all batteries are fully inserted. Remove the mains plug and reinsert. If the error occurs again, have the charger checked by an authorised after-sales service centre for Bosch power tools.

Cause: Battery is not correctly inserted.

Corrective measure: Insert the battery into the charger correctly.

Cause: The battery contacts and charging contacts are dirty

Corrective measure: Pull out the mains plug and (dry) clean the battery contacts and charging contacts.

Cause: Battery defective

Corrective measure: Replace the battery.

Cause: Battery temperature is outside the permissible charging temperature range

Remedy: If the battery temperature is above 45 °C, the battery cooling (Active Air Cooling) helps to cool the battery. If the battery temperature is below 0 °C, wait until the battery temperature is back within the permissible charging temperature range (0–45 °C).