| Charging battery in support mode with battery charger -VAS 5903- |
| The support mode provides the onboard supply with power when the battery is removed or disconnected. |
| The support mode is suitable in the following situations: |
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| Support mode of onboard supplies without installed battery |
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| Power conservation when renewing the battery |
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| Ancillaries test without battery |
WARNING | Danger of injury! Observe warning notices and safety regulations → Chapter! |
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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. |
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| Switch off ignition and all electrical consumers. |
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| 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. |
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| It can cause sparks through a short-circuit. |
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| Ensure charger terminal clamps are seated securely. |
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| Do not press START / STOP button when charger unit cables are connected incorrectly. The charger unit may be damaged. |
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| Connect charger plug to battery charger. The last selected operating mode will appear on display → Chapter. |
Caution | When battery is removed, ensure there is no contact between terminal clamp connected to positive clamp and body earth. Also ensure there is no contact between battery clamps. |
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| Connect red terminal clamp „+“ to positive terminal of vehicle. |
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. |
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| Connect black terminal clamp „+“ to negative terminal of vehicle. |
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| Press START / STOP for approx. 5 seconds. The menu „charging totally discharged batteries/support mode“ will be activated. |
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| 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). |
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| Confirm the selected battery voltage with START / STOP. |
| Then follows the enquiry for "is charger cable terminal polarity correct". |
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| Check polarity of charger unit cables. |
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| Confirm polarity of charger unit cables with START / STOP. |
| The battery charger starts with support mode. |
| End battery support mode: |
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| Disconnect black terminal clamp „-“ of charger unit from negative terminal of vehicle. |
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| Disconnect red terminal clamp „+“ of charger unit from positive terminal of vehicle. |
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| Pull charger plug out of battery charger. |
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