Simply measure the battery voltage on the ARI 458 - here's how to do it step by step

Simply measure the battery voltage on the ARI 458 - here's how to do it step by step


The battery is the heart of your ARI 458. Regularly checking the voltage can help to detect problems at an early stage and ensure the optimum performance of your vehicle. In this article, we explain how you can check the voltage of the main battery and the voltage converter. Important: This procedure should only be carried out by qualified persons with high-voltage training.


Why is the battery voltage important?


The battery of your ARI 458 supplies the vehicle with energy. A functioning battery ensures smooth operation of the engine, lighting, radio and other components. The main battery of the ARI 458 operates at over 72 volts, while the 12-volt supply in the vehicle is provided by a voltage converter.


Instructions for measuring the battery voltage


⚠️ Safety precaution: Due to the high voltage, this procedure may only be carried out by authorized specialist personnel with a high-voltage certificate.


1. remove the front cover


  • Loosen the screws: Loosen the two screws on the front cover.

  • Pull off: Slowly pull the hood off towards the front.

2. measure the voltage of the main battery


  • Prepare the measuring device: Set a commercially available voltmeter to "Volt".

  • Set the measuring points: Place on the centered brown box in the vehicle.

  • Check the result: The voltage should be around 72 volts.

3. test the voltage transformer (12-volt supply)


  • Switch on the ignition: Activate ignition and switch on consumers (e.g. lights, radio, heater).

  • Attach the measuring device: Measure the voltage at the relevant points.

  • Check the result: The display should show approx. 12 volts.

Is everything OK? The battery and voltage transformer are intact!


If both values are correct, your ARI 458 is ready for use. If there are any deviations, have your vehicle checked by a specialist or our service technicians.


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