There are some colored lights on my Smart Air Quality Monitor, what do they mean?
FAQ , Air Purification , Troubleshooting Modified: March 19, 2026
LED is only on when there is an issue with either signal strength. There are two LED Colors:
- Blue - Signal Strength. A blue LED indicates the signal strength is low or out of range. When the blue LED light is off it indicates signal strength is good.
- Green - Pairing. A green LED light indicates the unit is in pairing mode.
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