Kohler — Procedure to Identify the Controller Application Code Version
Operation · Decision-Maker 550 Controller
From a Kohler service manual covering: 1300REZCK, APM802, Decision-Maker 550, M340, MCP 3000, MPAC 1000, MPAC 1500, PM340. Check it applies to your exact model before use.
Applies to: Kohler 1300REZCK
Procedure
- Access Menu 20: press 20 and the Enter key.
- Step through factory setup items until Code Version is displayed.
- Record the code version number.
- Press the Reset Menu key to exit the menu.
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.