The battery temperature is too high (due to poor
ventilation, excessively high environmental
temperature, or excessively high charging current).
The charging current drops to
The battery is over-heated (>50° C)
0 as soon as the absorption
phase initiates.
Defective battery temperature sensor
24
Improve ventilation, install batteries in a cooler
environment, reduce the charging current, and
connect the temperature sensor.
Install the battery in a cooler environment
Reduce the charging current
Check whether one of the battery cells has an internal
short circuit
Disconnect the temperature sensor plug in the
Quattro. If charging functions correctly after
approximately 1 minute, the temperature sensor
should be replaced.