Kohler — Configure the Decision-Maker 3000 and 3500 controllers for the remote serial annunciator
Installation · Decision-Maker 3000 / 3500 controller
From a Kohler service manual covering: APM402, APM603, APM802, Decision-Maker 550, GM32644-KP1, GM62466-KP1, GM91356, KPC 1000, MPAC 1000, MPAC 1200, MPAC 1500, MPAC 750. Check it applies to your exact model before use.
Applies to: Kohler APM402, Kohler APM603
Procedure
- Verify the controller defaults to a 19200 baud rate and Modbus address #1.
- If Modbus settings need altering, use SiteTech software to make the configuration changes.
- Verify the RS-485 address on the controller matches the address on the RSA III master.
Specs & values
- Default baud rate: 19200 Amazon eBay $30.84
- Default Modbus address: 1
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.