Volkswagen Golf Service & Repair Manual: Charging totally discharged battery with battery charger -VAS 5903-

Volkswagen Golf Service & Repair Manual / Electrical system, general information / Starter- current supply- CC / Charging battery / Charging totally discharged battery with battery charger -VAS 5903-

WARNING

Danger of injury! Observe warning notices and safety regulations → Chapter!

WARNING

It is not permissible to test or charge batteries whose magic eye shows light yellow. Do not slave/jump start the vehicle!

Danger of explosion when checking and charging or slave/jump starting.

These batteries must be renewed.

Caution

The terminal polarity protection in operating mode “charging totally discharged batteries/support mode” is not active. Connect battery charger terminal clamps correctly to battery terminals.

When charging always set the battery charger to the correct type of battery → operating instructions for battery chargerVAS 5903!

Totally discharged battery is not recognised by battery charger → Chapter.

Do not press START / STOP button when charger unit cables are connected incorrectly. The charger unit may be damaged.

Batteries with a voltage of less than 2 volts will not be recognised automatically by battery charger -VAS 5903-.

Special tools and workshop equipment required

Battery charger -VAS 5903-

Note

Observe notes in chapter → Chapter.

Totally discharged batteries in vehicles before registration must be exchanged prior to delivery. Preliminary damage cannot be excluded.

The battery must have a temperature of at least 10°C.

–	Switch off ignition and all electrical consumers.

–	Connect charger plug to battery charger. The last selected operating mode will appear on display → Chapter.

Charging totally discharged battery with battery charger -VAS 5903-

–	Set battery to respective operating mode with INFO.

In the display, the symbol -1- for “Service charge for wet batteries” or symbol -2- for “Service charge for gel/absorbent glass mat batteries” will appear.

–	Set battery capacity (Ah) of battery for charging using respective button “Up”↑ or “Down”↓.

–	Connect red terminal clamp “+” to positive terminal on battery.

Note

In vehicles with start/stop function and battery monitor control unit -J367- fitted, black terminal clamp must be connected to body earth. Connecting it to battery negative terminal will cause start/stop system to malfunction.

–	Connect black terminal clamp “-” to negative terminal.

–	Press START / STOP for approx. 5 seconds. The menu “charging totally discharged batteries/support mode” will be activated.

–	Press respective button “Up”↑ or “Down”↓ to set respective battery voltage (6 V, 12 V or 24 V).

Note

If a button is not pressed within 5 seconds the charger will return to the main menu (select operating mode).

–	Confirm the selected battery voltage with START / STOP.

Then follows the enquiry for "is charger cable terminal polarity correct".

–	Check polarity of charger unit cables.

–	Confirm polarity of charger unit cables with START / STOP.

Charger will start charging sequence for totally discharged battery.

Ending battery charging sequence:

–	Press START / STOP.

–	Disconnect black terminal clamp “-” of charger from negative terminal.

–	Disconnect red terminal clamp “+” of charger from positive terminal on battery.

–	Pull charger plug out of battery charger.

Charging totally discharged battery with battery charger -VAS 5903-

Charging battery in refresh charge mode with battery charger -VAS 5903-

WARNING Danger of injury! Observe warning notices and safety regulations → Chapter! ...

Charging battery in support mode with battery charger -VAS 5903-

General notes: The support mode provides the onboard supply with power when the battery is removed or disconnected. For furthe ...

Other materials:

Vapour pressure table for refrigerant R134a
The vapour pressure table for each refrigerant is published in the literature for refrigeration engineers. This table shows the vapour pressure exerted on the liquid column in the container for a given temperature of the container. Since ...

Assembly overview - skid plate
Note The removal and installation procedures may have to be modified slightly depending on engine fitted. 1 - Underride guard Removing – Remove bolts -2-, -3- and -4-. – Pull out noise ...

Assembly overview - tail lights in vehicle body, with LEDs
1 - Securing element Specified torque: 2 Nm 2 - Seal Self-adhesive Renew if damaged. 3 - Left tail light -MX3-/right tail light -MX4- Tail light in bod ...