Manual for AL 1820 CV - Troubleshooting and error codes + PDF Download

Manual for AL 1820 CV - Troubleshooting and error codes + PDF Download

Brand: BOSCH

Category: Battery Charger

Manual Type:

Language:

Uploaded: April 8, 2025, 1:45 p.m.

Manual Publish Date: 2014-01-01

Warranty Summary

Warranty information is not mentioned in this manual.

To start charging:

  1. Plug the mains plug of the battery charger into the socket outlet.
  2. Insert the battery into the charging bay.

Charging process:

The charging procedure starts automatically when the battery is inserted. The intelligent charging method automatically detects the battery's charge level and charges it with the optimum charging current, depending on battery temperature and voltage.

The green battery charge indicator will blink during the charging process. When the indicator is solid green, the battery is fully charged or charging is paused due to temperature limits.

Troubleshooting and error codes

Cause Corrective Measure
Continuous lighting of the battery charge indicator 2 No charging procedure possible
Battery not (properly) inserted Properly insert battery into battery charger
Battery contacts contaminated Clean the battery contacts (e.g. by inserting and removing the battery several times) or replace the battery
Battery pack defective Replace the battery
Battery charge indicator 2 does not light up
Mains plug of battery charger not plugged in (properly) Insert mains plug (fully) into the socket outlet
Socket outlet, mains cable or battery charger defective Check the mains voltage; have the battery charger checked by an authorised after-sales service agent for Bosch power tools

Troubleshooting and error codes

Cause Corrective Measure
Continuous lighting of the battery charge indicator 2 No charging procedure possible
Battery not (properly) inserted Properly insert battery into battery charger
Battery contacts contaminated Clean the battery contacts (e.g. by inserting and removing the battery several times) or replace the battery
Battery pack defective Replace the battery
Battery charge indicator 2 does not light up
Mains plug of battery charger not plugged in (properly) Insert mains plug (fully) into the socket outlet
Socket outlet, mains cable or battery charger defective Check the mains voltage; have the battery charger checked by an authorised after-sales service agent for Bosch power tools