Kohler — Output Voltage and Frequency Adjustment
Adjustments · 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
- The generator set must be running during these adjustments.
- The engine speed (frequency) adjustment menus are not accessible on models with mechanical governors.
Procedure
- Move the master switch to RUN; the engine starts and runtime hours display.
- Hold the Select button about 5 seconds until the program version number displays.
- Press the down arrow key then the up arrow key 3 times to enter adjustment mode.
- 1P: adjust voltage coarse in large increments (approximately 5-7 volts per step).
- 2P: adjust voltage fine in smaller increments (approximately 0.5-0.7 volts per step).
- Adjust voltage stability (gain) coarse and fine.
- 3P: set volts/Hz (00=low, 09=high).
- 4P: adjust engine governor speed coarse and fine.
- 5P: adjust engine governor stability (gain) coarse and fine.
- Enter SAVE mode and save settings before exiting the adjustment mode.
Tools required
- multimeter Amazon
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.