Product Specs

3.3 LED Indicators
Both the sensor and the bridge contain LED's that will flash in certain patterns to indicate the internal
state of the sensor or bridge. What each LED pattern indicates is listed below.
3.3.1 Sensor
LED Status Sensor State
Blue flash (4x) Searching for bridge
Green flash (4x) Successfully found bridge
Red flash (4x) Could not find bridge
3.3.2 Bridge (Model 0002 – reference only)
LED Status Bridge State
Blue on 1 sec / off 1 sec Booting – initial state, stays here if not yet
configured
Red on 1 sec / off 1 sec Connection Timeout – the connection to the back
end has timed out, attempting a reset of the Wi-Fi
module. (Should last no more than a few seconds)
Red on 10 sec / off 0.5 sec Error – abnormal condition detected, attempting to
reset (should last only few seconds unless non-
recoverable)
Solid Red Hard Fault – processor failure.
Green on 10 sec / off 0.5 sec Normal Connected State
Red 1 sec / blue 1 sec Radio Upgrade – the 802.15.4 radio is being
upgraded and is not currently available to sensors.
Red 0.5 sec / Green 0.5 sec / Blue
0.5 sec
Wi-Fi Associated – Wi-Fi connection established
to router, no Internet connection
Red 200 ms/ off 200 ms WiFi Down – cannot find the Wi-Fi access point,
or access point authentication failure
Blue 200 ms/ off 200 ms WiFi Internet Connected – WiFi connection
established to router, and Internet verified
Green 1 sec / blue 1 sec Wi-Fi Upgrade – The Wi-Fi module is being
upgraded and no internet connection is possible
(sensor traffic is being queued as memory allows)
Notion Product Specification, Granite, Confidential Communication, Revision 03, Page 3 of 7