Resetting Your HVAC System After an Asheboro Power Outage
By Jordan Heating and Air | Serving Central North Carolina Since 1928
TL;DR | ESTIMATED READING TIME: 2 MIN
Power surges during ice storms can lock out your HVAC system’s compressor. Follow a manual power-down and timed restart to protect your electronics and restore heat safely.
The Post-Ice Storm Lockout
When power flickers or fails during a North Carolina ice storm, the sudden surge when electricity returns can trip your system’s internal safety controls. Many homeowners in Asheboro find that even though the lights are back on, the heat stays off because the outdoor unit has entered a lockout mode to protect the compressor.
Visit our maintenance page to learn how regular professional checks can prevent sensitive electronics from failing during these high-stress weather events.
Why Your System Won't Start
Internal Safety Tripping: Your heat pump or furnace detects a voltage spike and cuts the circuit to prevent motor burnout.
Thermostat Logic Lag: Digital thermostats often have a five-minute delay built-in to prevent "short-cycling," but a hard surge may require a manual override.
Breaker Stress: The initial "inrush" of current when the grid comes back online can flip the dedicated HVAC breaker in your panel.
HVAC Restoration Self-Audit
| System Factor | Your Current Situation | What That Usually Means |
|---|---|---|
| Thermostat Screen | Blank or unlit | Blown fuse, tripped breaker, or dead batteries. |
| Air Handler Fan | Blowing cold air | The indoor unit has power, but the outdoor compressor is locked out. |
| Circuit Breaker | Switched to "Neutral" or "Off" | A surge occurred; the system successfully protected itself from a fire. |
Steps to Safely Restore Your Heat
- System Shutdown: Turn your HVAC system to the "Off" position at the thermostat. Do not simply lower the temperature; the mode must be off.
- Breaker Reset: Locate your electrical panel. Find the switch labeled "HVAC" or "AC/Heat." Even if it looks like it is on, flip it to the full "Off" position, then back to "On."
- The 30-Minute Rule: Wait thirty minutes. This allows the internal "delay timer" in the outdoor unit to clear its memory. During this time, the heat exchanger or coils settle, preventing a second surge.
- Gradual Restart: Turn the thermostat back to "Heat." Set the temperature only two degrees above the current room temperature to avoid engaging expensive emergency heat strips immediately.
If you hear a humming sound or a loud clicking from the outdoor unit without the fan spinning, shut the power off immediately. This indicates a failed capacitor or a seized motor that requires a professional diagnostic.
Frequently Asked Questions
Why is my HVAC blowing cold air after the power came back on?
In Asheboro, this usually means your indoor air handler is working, but the outdoor heat pump compressor hasn't reset yet. Following a 30-minute power-down procedure usually allows the compressor to restart and begin the heat exchange process.
Can a power outage damage my furnace or heat pump?
Yes, the outage itself is rarely the problem, but the surge when power is restored can fry control boards. We recommend installing a whole-home surge protector or a Generac system to bridge the gap during Triad winter storms.
Should I use "Emergency Heat" after a blackout?
Only use Emergency Heat if your primary heat pump fails to kick on after a reset. It is significantly more expensive to run. If you are stuck in "EM Heat" in Randleman, call a technician to check your outdoor unit.
If you’ve followed the reset steps and your home is still losing temperature, there may be a deeper electrical issue or a failed component caused by the ice storm surges. Don't risk a DIY electrical repair in freezing weather. Let a uniformed Jordan technician provide a definitive fix so you can finally stop worrying about the thermostat.
Sincerely,
Jordan Heating and Air Conditioning
Committed to Honesty & Quality
