⚠
warning Honeywell
Error Code 185
Replace dehumidifier filter — the dehumidifier filter needs to be replaced.
? What Causes This
Dehumidifier filter has reached its service life.
✓ How to Fix It
Replace the dehumidifier filter or contact your heating or cooling professional. Reset the timer by touching Dismiss on the thermostat screen after replacement.
Source: page 28 of the official manual
From the manual