One short flash and one longer flashReset indication
Rapid short flashes for 10 secondsInvalid configuration detected at startup (use config app to set region)
Short flash, once per second
Heartbeat or movement check in progress
Medium flash, once per secondTrip in progress
Up to ten long flashes in two seconds
Transmission failed due to interference
Up to four longer flashes in two secondsTransmission succeeded
Constant on for 10 secondsBrownout reset (batteries need replacement if this happens repeatedly)
Constant on
Connected by cable to config app, or waiting for app to update firmware