Why is my thermostat display showing 'Cool On' or 'Heat On' flashing?
This indicates the compressor protection feature is engaged. The thermostat is preventing compressor damage by waiting a few minutes before restarting the system. You should wait 5 minutes for the system to restart safely without damage to the compressor (Page 3).
Have a follow-up question?
AI-powered answers from the official manual. Verify critical info.
Common questions