Volkswagen Jetta 2005 Workshop Manual page 29

At a charge condition of 100 % all bars appear in display.
Note
In the battery type "standard charge" the parallel use of con‐
♦
sumers while charging is possible. The charging period will be
longer.
The battery charger will switch to maintenance mode after
♦
about 1-7 hours, depending on type of battery. To achieve a
100 % charge the battery should remain connected for this
period.
Possible faults and fault rectification:
1 - Displayed battery voltage is not as per nominal voltage:
– Press respective button "Up"
sequence starts.
2 - Displayed battery voltage is not as per nominal voltage –
charging sequence already started:
– Press
START / STOP
– Press respective button "Up"
sequence starts again.
3 - Battery charger does not detect a battery, when battery volt‐
age is less than 2 V:
Display remains unchanged.
The battery type and ampere hours (Ah) as set is displayed.
Ending battery charging sequence:
– Press
START / STOP
– Disconnect black terminal clamp "-" of charger unit from neg‐
ative terminal on battery.
– Disconnect red terminal clamp "+" of charger unit from nega‐
tive terminal on battery.
– Pull charger unit plug out power supply socket.
3.2.3 Charging battery in service mode with
battery charger -VAS 5900-
WARNING
Danger of injury! Observe warning notices and safety regula‐
tions ⇒ page 2 !
Caution
The operating mode "service charge" is not permitted on VW
vehicles as the voltage peaks will damage the onboard elec‐
tronics.
If there is a requirement to use "service charge" the battery
must be disconnected from the onboard supply.
or "Down"
↑ ↓
twice.
or "Down"
↑ ↓
.
Electrical System - Edition 05.2005
until charging
until charging
Jetta 2005 ➤ , Bora 2006 ➤
3. Charging battery
21