HomeBrandsYorkHVAC Systems (AC, Furnaces, Heat Pumps & Thermostats)6 blinks
Y
6 blinks
Moderate
York · HVAC Systems (AC, Furnaces, Heat Pumps & Thermostats)
Ignition Failure
Quick Answer
Error code 6 blinks on your York HVAC Systems (AC, Furnaces, Heat Pumps & Thermostats) means: Ignition Failure. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Hot surface igniter failed (cracked or open circuit)
  2. Gas supply turned off or low gas pressure at the manifold
  3. Gas valve solenoid not opening when energized
  4. Dirty burner orifices preventing proper ignition
  5. Control board not sending power to the igniter
How to Fix It
1
Verify the gas supply valve is in the ON position
2
Remove the igniter and inspect for visible cracks or white discoloration
3
Measure igniter resistance with a multimeter (silicon nitride: 40-200 ohms)
4
Verify 120VAC is present at the igniter leads during the ignition trial sequence
5
Check gas manifold pressure with a manometer (3.5 in WC for natural gas, 10.0 in WC for LP)
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Hot surface igniter
Gas valve
Igniter mounting gasket
Related Error Codes
1 blink2 blinks3 blinks4 blinks5 blinks
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