LED
Colour
Meaning
Seconds Yellow
Checking the internal EEPROM for configuration information
Green
Recovered the configuration information correctly – previously
stored settings have been loaded
Red
Failed to recover the configuration information – default settings
will be used.
10s
Seconds
Yellow
Checking the access to the WiFi network
Green
Joined the previously stored WiFi access point
Blue
Failed to join the previously stored access point, or no access point
stored: Gone into “Access Point Mode”
Red
Failed to access previously stored access point, and no connection
received within 60 seconds in “Access Point Mode”. Enter normal
clock mode using RTC.
Hours
Green
Got an NTP update
Red
Failed to get an NTP update, using RTC until the next successful
NTP update, which will be tried every few seconds until an update
is successful
10s
Hours
Green
Found the Real Time Clock
Red
Did not find the Real Time Clock
