Kohler 14RES / 20RES — Voltage Adjustment, RDC Controller
Adjustments · Generator output
For the Kohler 14RES / 20RES, from the Kohler service manual.
Applies to: Kohler 14RES, Kohler 20RES
Before you start
- Hazardous voltage.
- Moving parts.
Procedure
- With generator off, connect digital multimeter to output leads or load-side outlet; set to AC voltage.
- Start generator with RUN button.
- Adjust parameter 1P until output voltage reaches desired value.
- Adjust voltage stability (gain, parameter 2P) to minimize light flicker.
- Readjust voltage if necessary.
- Save settings.
- Stop generator.
Tools required
- digital multimeter Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Coarse/fine voltage change per step: 85--180 VAC 5/0.5 VAC; 180--360 VAC 7/0.7 VAC.
Full service-parts list: Kohler 14RES →, Kohler 20RES →
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.