Tools That May Help
Before calling a professional, these common tools may help you check the issue safely.
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Problem
Furnace has power but does not start.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- Control board issue
- ignition failure
- wiring problem
How To Fix It
- Test controls
- inspect ignition
- check wiring
Safety Tip
Always shut off power to the HVAC system before inspecting wiring or internal components.
When To Call A Professional
If power is present but no startup, call a professional
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