COOLNOMIX® operational status can be determined either by direct observation of the LED lighting sequence on the outside of the unit itself or by using the COOLNOMIX® Connect mobile application.

LED lighting sequence (direct observation)

Steady GREEN & Flashing RED -  Cooling. Relay is closed. Minimum 3 minute duration.

Flashing GREEN -  Cooling paused for savings. Relay is open. Minimum 3 minute duration.

Continuous RED - System or unit failure.

Flashing GREEN & Steady RED - Heating mode detected.  COOLNOMIX® in bypass mode.

Alternating GREEN & RED Flashing - Cooling system is undersized or requires servicing. 

Steady GREEN Continuous - Factory test mode. 

No Lights On – No power.  Relay is closed.