Problem
The AC system takes a long time to start after adjusting the thermostat.
Possible Causes
Weak capacitor
Thermostat delay settings
Electrical issue
Aging compressor
How To Fix It
Check thermostat programming
Inspect the breaker panel
Wait several minutes after adjusting the thermostat
Monitor the startup behavior
When To Call A Professional
If the unit repeatedly delays startup, the capacitor or compressor may need inspection.