Kohler — Network Bridge Diagnostics
Testing & diagnosis · Network bridge LEDs
From a Kohler service manual covering: 12RES, 15RES, 15REYG, 15RYG, 17RES, 18RES, 30 RYG, 30RES, 30REYG, 8.5RES. Check it applies to your exact model before use.
Applies to: Kohler 12RES, Kohler 15RES, Kohler 15REYG, Kohler 15RYG, Kohler 17RES, Kohler 18RES, Kohler 30 RYG, Kohler 30RES, Kohler 30REYG, Kohler 8.5RES
Procedure
- Check the network LEDs on the RJ45 connector for Ethernet network communication.
- Check the STAT LED; if not lit, check connections and the engine starting battery.
- Check the TX and RX LEDs for CAN data transmission and reception.
- If neither the TX nor the RX LED flashes, check bridge power, connections, and settings.
- If only one of the TX or RX LEDs flashes, check the connected devices on the generator set (CAN) side.
Full service-parts list: Kohler 12RES →, Kohler 15RES →, Kohler 15REYG →, Kohler 15RYG →, Kohler 17RES →, Kohler 18RES →, Kohler 30 RYG →, Kohler 30RES →, Kohler 30REYG →, Kohler 8.5RES →
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.