Alarmcom Flex IO Guide

1
The following table displays what the red and yellow LEDs indicate on the Flex IO sensor.
State
Red LED
Yellow LED
1
Device booting up
None
1 Blink
2
Device reboot
None
None
3
Diagnostic mode
(BLE
troubleshooting activated—
reed switch, loop, and
tamper activity will not be
shown on LED)
See Signal Strength table
for additional details.
Signal strength indicator,
repeats every 8 seconds
Pattern based on signal strength.
Rate of 1 blink per second.
•Unknown: Red, Red,
Yellow, Yellow
•0 bars: Red
•1 bars: Red, Yellow
•2 bars: Red, Yellow, Yellow
•...
•6 bars: Red, Yellow (6x)
Note: This mode prevents any
other pattern from displaying.
Signal strength indicator,
repeats every 8 seconds
Pattern based on signal strength.
Rate of 1 blink per second.
•Unknown: Red, Red,
Yellow, Yellow
•0 bars: Red
•1 bars: Red, Yellow
•2 bars: Red, Yellow, Yellow
•...
•6 bars: Red, Yellow (6x)
Note: This mode prevents any
other pattern from displaying.
4
Device in idle mode
None
None
5
Device cell modem unable
to connect to cell tower
To troubleshoot, confirm
coverage in your area by
using the Check Coverage
feature on Alarm.com
Partner Portal.
2 Blink, repeats every 2 seconds
None
6
3 Blink, repeats every 2 seconds
None

2
State
Red LED
Yellow LED
7
Device cell modem unable
to connect to Alarm.com
To troubleshoot, contact
Technical Support.
4 Blink, repeats every 2 seconds
None
8
Device reed switch opens
If the device is not reliably
reporting open/close
events, confirm the reed
switch position setting
matches the installation
orientation. See Contact
(Reed Switch) Position in
Step 1.
None
2 Blink
9
Device reed switch closes
None
2 Blink
10
Device loop opens
None
2 Blink
11
Device loop closes
None
2 Blink
12
Device relay activate
None
2 Blink
13
Device loop tamper (cut)
None
None
14
Device loop tamper (short)
None
None
15
Battery door tamper
1 Blink, repeats every 2 seconds
None
16
Device mount tamper
Alternate Red & Yellow
(Red, Yellow, Red, Yellow, 5 second
Pause, Repeat)
Alternate Red & Yellow
(Red, Yellow, Red, Yellow, 5
second Pause, Repeat)
17
Device low battery
1 long Red blink (5 seconds)
Will occur only following an
open/close activation and will
follow the normal yellow activity
blinks.
None
18
Device operating on AC
power
None
Always on (solid) If device is
able to communicate with
Alarm.com.
When an event happens, the LED
will turn off, display the LED
pattern of the associated event,
then return to being on.