Tools That May Help
Before calling a professional, these common tools may help you check the issue safely.
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Problem
Pilot is lit but furnace does not start.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- Thermocouple issue
- valve problem
- control fault
How To Fix It
- Check thermocouple
- inspect valve
- reset system
Safety Tip
Always shut off power to the HVAC system before inspecting wiring or internal components.
When To Call A Professional
If pilot is on but no ignition, call a professional
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