Thermostat Error — Display connection issue

What does Magenta LED blinking mean?

A blinking magenta light on the System Status LED means the thermostat's display or mag-mount might not be properly connected.

• Thermostat display not connected
• Mag-mount not connected

Click steps to track your progress.

1. 1

   Ensure the thermostat display is securely attached to its mount.

2. 2

   Check the physical connection between the thermostat and the main system.

3. 3

   If the issue persists, contact Lennox support or a qualified technician.