Chapter 3: Troubleshooting - Microchip Technology AVR-IoT WG User Manual

3.

Chapter 3: Troubleshooting

Table 3-1. Troubleshooting and Diagnostics
LED Sequence
nEDBG
nEDBG
©
2018 Microchip Technology Inc.
Description
Only Red LED is On
Blue and Red LEDs are
On
Blue, Green and Red
LEDs are On
Blue and Green LEDs
are On and Yellow LED
is blinking
No LED is On
nEDBG LED is Off
nEDBG LED is On but
the Curiosity Drive is not
found
User Guide
AVR-IoT WG User Guide
Chapter 3: Troubleshooting
Diagnosis
Board is not connected
®
to Wi-Fi
Board is not connected
to Google IoT Cloud
servers
Sensor Data are not
being published to the
Cloud.
Everything is working
Board is not
programmed
Board is not powered
Faulty USB connection
Action
®
Verify Wi-Fi credentials
• Verify MQTT
required ports.
• Verify project
credentials.
• Check local
network firewall
settings.
• Use tethered
cellphone or
laptop connection
for internet.
• Verify device
registration to the
project.
• Check Google
account for
outages.
Nothing to be done.
Download image .hex
file from the Downloads
section at the bottom of
the Microsite page.
• Check USB
connection.
• Replace the
board.
• Replace the USB
connector
• Check PC Device
Manager.
DS50002809A-page 19