LED Indicators
Valve Status LED
LED Behavior | Green 🟢 | Red 🔴 |
Solid | Valve open (Scheduled irrigation) | Battery ≤35%, cannot open (Scheduled) |
Slow Blink | Valve open (Manual irrigation) | Battery ≤35%, cannot open (Manual) |
Breathe | Valve open (Device asleep) | Battery ≤35%, scheduled open fails (Device asleep) |
Note: valve will not open if battery is less than or equal to 35%
Connectivity Status LED
LED Behavior | White ⚪ Factory Mode | Blue 🔵 Always On Mode | Green 🟢 Standard Mode |
Fast Blink | Trying to connect | Trying to connect | Trying to connect |
Solid | Connected to network | Connected to network | Connected to network |
Slow Blink | Could not connect | Could not connect | Could not connect |
Breathe | Device asleep | Device asleep | Device asleep |
Note: During an OTA (Over-the-Air) Update, the Status LED will blink yellow 🟡 rapidly.
Mode Descriptions
⚪ Factory: device is not yet configured
🔵 Always On: device is configured and sends/receives data every 10 seconds (primarily used during installations and maintenance)
🟢 Standard: device is configured and sends/receives data every 3 minutes
Button Functions
All Lumo devices have two accessible buttons: the power button (on the underside of the dome) and the control button (on the top side of the dome between the two LEDs).
Power On / Off
The power button is located on the underside of the dome (for 2" valves, dome must be removed from wetware to access power button)
Press the power button once to power on or off (hold for 1 second)
Wake Up from Sleep
Press the control button once
Both LEDs will flash white ⚪
Press the control button once to wake the device
Press and hold the control button for 5 full seconds (solid blue 🔵 appears) until the blue LED starts blinking
When the blue LED starts blinking, release within 5 seconds
The valve will open (blinking green 🟢) or close (LED off)
Factory Reset
⚠️ Warning: factory reset erases all provisioned configuration (Wi-Fi / Mesh, device mode). Only perform a factory reset if instructed by Lumo Support.
Press and hold control button for 20 seconds
Both LEDs begin rapidly blinking 🔴
Release the button
Press the button twice within 8 seconds
Valve closes
Device reboots with both LEDs flashing ⚪
Status LED reverts to ⚪ (Factory mode)
Important System Behaviors
Base units always operate in Standard Mode (they do not enter "Always On" mode).
When battery level falls below 35%, manual and scheduled valve openings are disabled.