Electrical system, general information

General description of Midtronics -INC 940- battery tester

~1min read

Batteries in VW vehicles may only be charged with battery chargers approved by VW. In the USA/Canada, it is permitted for the Midtronics -INC 940- battery charger to be used. Midtronics -INC 940- battery charger combines battery charging with a charge condition checks and a battery test. The following charging and analysis procedures apply to all batteries, all battery installation locations (engine compartment or luggage compartment) and battery application purposes (starter battery or second/convenience battery). Always comply with the safety regulations, the regulations for setting up the battery charger, the display menu/display buttons, LEDs and the operating procedures described in the → operating manual INC 940.

Read through → operating manual INC 940 carefully.

Refer to → No. for more information.

WARNING

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

No naked flames, sparking or smoking in the vicinity of batteries.

Battery charger must be switched off before cables are connected or disconnected.

Do not remove cell plugs during charging.

Overcharging sulphated batteries can lead to explosions.

Do not store precision tools in rooms where batteries are charged, as chemical reactions may cause corrosion.
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.

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.