Honeywell TH8321WF1001 VisionPRO 8000 Wi-Fi Programmable Touchscreen Thermostat EQUIP-ALERT Error Fix: Equipment Alert on Display

Error code EQUIP-ALERT on the Honeywell TH8321WF1001 VisionPRO 8000 Wi-Fi Programmable Touchscreen Thermostat means: Equipment Alert on Display. The VisionPRO 8000 is displaying an equipment alert icon or message indicating the HVAC system has reported a fault — this thermostat can display alerts from connected RedLINK equipment; check the alert details in the menu, and inspect the HVAC equipment (furnace, AC, heat pump) for fault codes on their own control boards; clear the alert after resolving the issue

The most successful fix is "Diagnose and Repair HVAC Equipment Faults Indicated by RedLINK Alerts" (hard difficulty, ~90 minutes). Estimated DIY cost: $0-$20. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Diagnose and Repair HVAC Equipment Faults Indicated by RedLINK Alerts") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Flashlight.

DIY cost: $0-$20. Professional repair typically costs $150-$350. Many homeowners save money by trying the top-ranked community fix first.

The Honeywell TH8321WF1001 VisionPRO 8000 Wi-Fi Programmable Touchscreen Thermostat has 8 other known error codes, including: APP-OFFLINE (Thermostat Shows Offline in App), AUX-HEAT ("Aux Heat" Displayed), BLANK-SCREEN (Blank/Dead Display — No Power), BLOWN-FUSE (HVAC Control Board Fuse Blown), COOL-ON-FLASH ("Cool On" Flashing on Display), and 3 more.