Battery Charger VAS 5900 Service Charge: Notes

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WARNING: Risk of injury. Follow all warning messages and safety precautions, refer to WARNINGS AND SAFETY PRECAUTIONS .

CAUTION:

"Service charging" is not permitted for VW vehicles, because voltage surges can damage the on-board electronics.

The Battery -A- must always be disconnected from the vehicle electrical system when using the "service charge" mode.

WARNING:

Do not check or charge a Battery -A- when the visual indicator has >>no color or is bright yellow<<. Jump starting must not be used!

There is a risk of explosion during testing, charging or jump starting.

These Batteries -A- must be replaced.

CAUTION:

Always set the mode that corresponds to the Battery -A- during the charging process, refer to the Battery Charger VAS 5900 Operating Instructions.

"Service Charging" is suitable for:

Wet batteries having a visual indicator which allows charging (visual indicator black or green).

The "Service charge (SERV)" mode is only used with sulfated Batteries -A-. The Battery -A- with voltages greater than 14.4 V is charged. A partial removal of the sulfation layer can result from this. Check the visual indicator after charging, immediately before the Battery -A- is used, refer to VISUAL INDICATOR COLOR DISPLAY, CHECKING .

Special Tools And Workshop Equipment Required

Battery Charger VAS 5900

Fig 1: Battery Charging Unit VAS 5900
Courtesy of AUDI OF AMERICA, LLC

NOTE: The Battery -A- temperature must be at least 10°C.