What Are Common Thermostat Problems That Cause It Not To Work?
A thermostat that won’t work typically has one of four causes: no power to the control, incorrect settings, a wiring or communication fault, or the thermostat itself has failed. Wisler provides full‑system HVAC troubleshooting for all makes and models and can diagnose the control, wiring, and equipment in Roanoke and nearby areas. Our techs deliver a clear report of findings and won’t leave until your system is safe to run.
Quick checks:
- Confirm Heat/Cool mode and temperature setting.
- Replace batteries or check the breaker.
- Set fan to Auto and try a system reset.
Updated: 2026-01-02
Need help in Rocky Mount, VA? Call (540) 234-2001 or book online.
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Sources
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- [4]https://callwisler.com/heating/heater-repair/
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- [8]https://callwisler.com/heating/
- [9]https://callwisler.com/service-area/troutville-va/
- [10]https://callwisler.com/service-area/rocky-mount-va/
- [11]https://callwisler.com/air-conditioning/ac-repair/