The button on the Enviolo interface can show the following lights: 

• Flashing Blue Light: Enviolo is in pairing mode, waiting for a Bluetooth connection 
• Steady Blue Light: Enviolo is connected to the app/phone via Bluetooth connection 
• Flashing Green Light: bike is being pedaled 
• Flashing Red Light: Bike is in motion, regardless of pedaling or free-riding 
• Flashing Red and Green Lights: Bike is asking to be recalibrated.

Note: Multiple colors can flash when multiple actions are being performed at the same time.