User's Manual

Table Of Contents
AI7688H User Manual
-23-
Copyright@2016 AcSiP
The Wi-Fi LED state is an important indicator for troubleshooting network configuration issues -
here's a list of common errors and how to fix them.
LED state Problem Fixes
After switching to Station
mode, the Wi
-Fi LED keeps
blinking twice per second,
then switches off
It has failed to join
the Wi-Fi network
you assigned
Press the Wi
-Fi button for at least 5
seconds and release to restore the Wi
-Fi
mode to AP. Re
-connect and re-configure
the Wi
-Fi settings accordingly.
After resetting device, the
Wi
-Fi LED doesn’t blink at all
The bootloader is
corrupted or the
on-board flash is
damaged
The device is bricked. You need to
re
-program the flash using an external
hardware flash programmer.
Wi
-Fi LED lights up (doesn’t
switch off)
Linux has failed to
initialize properly
This is usually caused by a
damaged
system image or corrupted Wi
-Fi driver.
You can resolve this by upgrading the
firmware usinga USB drive. Please
Wi
-Fi LED blinks once after
reset, but does not light up
It failed to load Linux
kernel
This is usually caused by a damaged
system i
mage. You can resolve this by
upgrading the firmware usinga USB drive.