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Kohler — Converter Firmware Upgrade Procedure

Installation · Modbus/Ethernet Converter

From a Kohler service manual — check it applies to your exact model before use.

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Before you start

  • Interruption of the download may require restarting the process from step 5a.
  • The TFTP client is not activated by default on Microsoft Windows 7.

Procedure

  1. Copy the .rom files to the PC hard C-drive (C:\): xpiapupg.rom for firmware older than 3.0.0.0, and amxp_kohler_3000RC2.rom for all converters.
  2. Connect the converter to the PC as described in Section 14.1.
  3. Verify the PC and converter are connected to the same subnet.
  4. On the PC go to Start Programs Accessories Command Prompt and change to a C:\ directory.
  5. For firmware older than 3.0.0.0 enter: C:\tftp -i <IP address> put xpiapupg.rom XA (use upper case XA).
  6. Wait 20 seconds.
  7. For all converters enter: C:\tftp -i <IP address> put amxp_kohler_3000RC2.rom xA (lower case x, upper case A).
  8. Wait 45 seconds.
  9. Start the Device Installer Software on the PC.
  10. Enter Telnet Setup and input a 'D' for Default Settings.
  11. Enter a '5' and configure the attached generator controllers (Modbus address and type).
  12. If using SNMP, enter a '1' and set the network parameters, SNMP community and IP address for traps.
  13. Enter an 'S' to save the configuration.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • xpiapupg.rom needed for converters with firmware older than 3.0.0.0
  • amxp_kohler_3000RC2.rom needed for all converters
  • Firmware version number shown in the device details screen and Telnet Configuration screen

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.

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