Kohler — Controller Replacement
Installation · ADC 2100 Controller
From a Kohler service manual covering: 10E, 10EG, 10EOR, 10EORD, 10EORZ, 10EORZD, 10EOZ, 10ERG, 10REOD, 10REOZD, 11.5EFOZD, 11EFG…. Check it applies to your exact model before use.
Applies to: Kohler 10EORZ, Kohler 10EOZ, Kohler 10ERG, Kohler 10REOZD, Kohler 11.5EFOZD
Before you start
- Disconnect the battery cables before working on the generator set; remove the negative lead first and reconnect it last.
Procedure
- Record generator set information required for configuration: model, market, voltage, frequency, phases, battery voltage.
- Place the generator set master switch in the OFF position.
- Disconnect power to the battery charger, if equipped.
- Disconnect the engine starting battery(ies), negative lead first.
- Open the junction box; disconnect the controller at P1, J15, and J16.
- Models ECD/EFCD, EGD/EFGD, EGZD only: disconnect the CO sensor harness at the 4-pin connector.
- Remove four controller mounting screws and remove the old controller.
- ECD/EFCD, EGD/EFGD, EGZD only: install CO sensor module assembly GM46362 on the back of the new controller GM47982.
- Install the new controller and secure with the mounting screws.
- Reconnect the P1, J15, and J16 connectors; connect the CO sensor harness on applicable models.
- Models 10/13/15EG, 10/13/15ERG, 15/30RES, 15/30RYG with S/N before 2053692: cut a 1-in. section of the gray/orange lead entering pin 9 at the ECM connector.
- Check that the generator set master switch is in the OFF position.
- Reconnect the engine starting battery, negative lead last.
- Reconnect power to the battery charger, if equipped.
- Check the controller application software version and load the latest application code if necessary.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Kohler 10EORZ →, Kohler 10EOZ →, Kohler 10ERG →, Kohler 10REOZD →
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.