Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Kohler›Controller Replacement Procedure (ADC 2100)

Kohler — Controller Replacement Procedure (ADC 2100)

Repair & overhaul

From a Kohler service manual covering: 12RES, 12TRES, 8.5RES. Check it applies to your exact model before use.

Applies to: Kohler 12RES, Kohler 12TRES, Kohler 8.5RES, Kohler CH20 engine, Kohler CH 740 engine

Before you start

  • Hazardous voltage will cause severe injury or death. Disconnect all power sources before opening the enclosure.

Procedure

  1. Remove service-side door; move master switch to OFF; remove 4 roof screws and lift roof off.
  2. Disconnect power to the battery charger; disconnect battery negative lead first.
  3. For inside-mounted controllers: remove front panel, controller compartment cover, and disconnect P1, P15, P16.
  4. Remove four controller mounting screws and remove controller.
  5. Place new controller in position, install mounting screws, and attach P1, P15, P16.
  6. Replace compartment cover and front panel.
  7. Verify master switch OFF, reconnect battery negative lead last, and reconnect battery charger.
  8. Replace roof and tighten four roof screws.
  9. Configure new controller settings and check/adjust output voltage and frequency.

Specs & values

  • Controller mounting screws: 4 ea.

Full service-parts list: Kohler 12RES →, Kohler 12TRES →, Kohler 8.5RES →

Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

More Kohler repair guides →