The Radar Device Is Not Responding; My Phone Will Not Connect To The Device; Radar Detection Does Not Work Indoors; The Status Led Is Flashing Yellow - Garmin Varia eRTL615 Owner's Manual

Updating the Software Using the Garmin Express Application
Before you can update your device software, you must download the Garmin Express application.
1 Connect the radar device to your computer using the USB cable.
Garmin Express looks for software updates automatically and sends them to your device.
2 Follow the on-screen instructions.
3 Disconnect the device, and connect it to your eBike or a USB power source.
The radar LED flashes blue and green to indicate the device is updating and may pause during the update.
When the update is complete, the LED flashes green 10 times.

The radar device is not responding

During a ride, if the radar device status LED is solid red, the device is in an error state.
• Make sure the device is within the approved operating temperature range
page 14).
• Turn the device off, and turn it back on.
• Avoid multiple sources of radar interference.

My phone will not connect to the device

• Bring the device within range of your phone.
• If your devices are already paired, turn Bluetooth off on both devices, and turn it back on.
• If your devices are already paired, remove the Varia eRTL615 from the Bluetooth settings on your phone, and
pair the devices again.
• If your devices are not paired, enable Bluetooth technology on your phone.
• On your phone, open the Varia app, select

Radar detection does not work indoors

The device is tuned to detect vehicles in an outdoor setting. If you turn on the device indoors, a saturation alert
can occur. When you take the device outdoors, the device resumes normal operation.

The status LED is flashing yellow

If the device status LED flashes yellow while the tail light is on, the device is in demo mode. When the device is
in demo mode, artificial data is generated for demonstration only.
To exit demo mode, select an option:
• Turn the device off, and turn it back on.
• Hold the button for 10 seconds to reset the device.
• Reset the device using the Varia app

The status LED turns red while updating the software

• Check the USB cable, connectors, and ports for damage.
• Turn both devices off, and turn them back on.
• Make sure the device is within the approved operating temperature range
page 14).
Troubleshooting
to enter pairing mode.
(Resetting the Device, page 14).
(Varia eRTL615 Specifications,
(Varia eRTL615 Specifications,
15