Battery, Charging With Battery Charger :Vas5903: Procedure

WARNING: This page is about a different variant/trim than selected.

-- Turn off the ignition and all electrical consumers and remove the ignition key.

-- Connect the :VAS5903 to the power supply. The last selected operation mode is shown on the display. Refer to Battery Charger .

-- Set the battery type with the INFO button.

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The symbol -1- for "standard charge of wet batteries" or the symbol -2- for "standard charge of Gel/Absorbent Glass Mat (AGM) batteries" is indicated in the display.

-- Set the battery capacity (Ah) on the Battery -A- to be charged with the corresponding ↑ button or ↓ button.

-- Connect the red charge terminal (+) to the positive terminal of the Battery -A-.

NOTE:

On vehicles with a Start/Stop function and an installed Battery Monitoring Control Module -J367-, the black charge terminal (-) must be connected to the body ground. The Start/Stop system will malfunction when it is connected to the Battery -A- negative terminal.

-- Connect the black charge terminal (-) to the negative terminal of the Battery -A- /negative connector.

The :VAS5903 recognizes the nominal voltage of the connected Battery -A- (6 V/12 V/24 V) and begins the charging process automatically.

The :VAS5903 begins the "final charging" when the charge level is approximately 80 to 85%. The fourth bar is indicated on the display -1-. The Battery -A- is ready to be used.

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With a charge status of 100%, all bars are indicated on the display -1-.

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NOTE:

With The Battery Type "Standard Charge", Parallel Operation Of Electrical Consumers During The Charging Process Is Possible. The Charging Time Is Lengthened By This.

Depending On The Battery Type, The :VAS5903 Switches To Maintenance Charging After 1 To 7 Hours. To Reach A 100% Charge Level, The Battery -A- Should Remain Connected To The :VAS5903 .

Possible Malfunctions And How They Are Handled

Displayed Voltage Does Not Match The Nominal Voltage:
-- Hold Down The ↑ Button Or ↓ Button Until The Charging Process Begins.
Displayed Battery Voltage Does Not Match Rated Voltage - Charging Process Has Already Begun:
-- Press The Start/Stop Button Two Times.

-- Hold Down The ↑ Button Or ↓ Button Until The Charging Process Begins Again.
The Charger Does Not Recognize A Battery -A-, When The Battery Voltage Is Less Than 2 V :
The Display Remains Unchanged.

The Selected Battery Type And Ampere Hours (Ah) Are Displayed.

Battery -A- Charging, Ending

-- Press The START/STOP -Button.

-- Remove The Charging Clamps From The Battery Terminals.

-- Disconnect The :VAS5903 From The Power.