Kohler — Obtain RDC/DC Controller Password
Testing & diagnosis
From a Kohler operator's manual covering: 10RESV, 12RESV, 14/20RES, 20RES, 24RCL, 30RCLH, 38RCL, 48RCL, 60RCL, 6VSG. Check it applies to your exact model before use.
Applies to: Kohler 10RESV, Kohler 12RESV, Kohler 20RES, Kohler 24RCL, Kohler 38RCL, Kohler 48RCL, Kohler 60RCL, Kohler 6VSG
Procedure
- Press OFF to place the controller into OFF mode.
- Press the down arrow button (RDC) or exercise button (DC) 5 times.
- Note the four-digit code displayed on the controller; this is the controller password.
- Write down the password and press OFF to clear the display.
Full service-parts list: Kohler 20RES →, Kohler 24RCL →, Kohler 38RCL →, Kohler 48RCL →, Kohler 60RCL →, Kohler 6VSG →
Source: Kohler operator's 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.