User Guide

Required Items

To update the firmware on a Symbio® 800 controller the following items will be needed.

• Computer

• USB A to B Cable

Get Symbio 800 Firmware

The latest firmware for the Symbio® 800 controller must be downloaded from Trane.com. If you already

have the correct firmware for the controller on your computer skip ahead to the

Update Firmware.

1. Visit the Trane Software Download page and download the latest version of the Symbio

800

firmware to your computer. Keep track of where the firmware file is downloaded on your

computer, you will need to reference this location again when updating the firmware.

Update Firmware

1. Verify the equipment is stopped and the Symbio 800 controller is powered.

2. Connect your laptop to the USB service tool port using a USB 2.0 A to B cable.

3. Open a web browser and connect to http://198.80.18.1 to access Symbio™ UI.

4. Once Symbio UI loads select Log In.