LED Reference

The Soracom LTE-M Button includes a built-in LED that provides visual feedback about the status of the button, allowing you to confirm that a message was successfully sent, or if an error occurred and what troubleshooting steps might be required.

LED indicator patterns

The LED colors and patterns differ slightly depending on which firmware version your button is using:

Firmware 3134
Firmware 2220

LED blink pattern	Description	Meaning
☀☀☀ (repeating)	Slow orange blinking	The button is performing a network scan
☀	One short orange blink	The button detected a single short click, falling edge, or rising edge^*1
☀	One short green blink	The button detected a single short click, falling edge, or rising edge^*2
☀☀	Two short green blinks	The button detected a double short click
☀───	One long green blink	The button detected a single long click
☀☀☀	Three short green blinks	The button detected an extra long click
☀──☀──☀── (repeating)	Slow green blinking	The button is connecting to a network
☀☀☀☀ (repeating)	Fast green blinking	The button has connected and is sending the message
☀────────	Extra long green blink	The button successfully sent the message
☀────────	Extra long red blink	An error occurred while sending the message^*3
☀☀☀ (repeating)	Slow red blinking	The button battery voltage is low^*4

^{*1 - Applies only to Event, Timer, Event + Timer, and Event + Heartbeat modes.

*2 - Applies only to Alert and Alert + Heartbeat modes.

*3 - Occurs if the button successfully sent the message but did not receive a response from the server, or another communication error occurred.

*4 - Note that the slow red blinking may continue for a few minutes after replacing the batteries.}

Note that not all LED patterns appear in each operation mode. Refer to the operation mode pages for more details on LED patterns that appear in the configured mode:

If you see the extra long red blink ☀──────── that indicates an error occurred, refer to the Troubleshooting section for troubleshooting steps.