Abnormal flame-proving signal. Flame is proved while the gas valve is de-energized. The inducer runs until the fault clears. The chart says to check for a leaky gas valve or a stuck-open gas valve.
Bryant 22 means flame is proved while the gas valve is de-energized. The inducer keeps running until the fault clears. The chart lists a leaky gas valve or a gas valve stuck open. There is no filter check and no 3-hour auto-reset on this row. Code 21 is the lockout that will not auto-reset because of valve wiring or the valve relay. If you smell gas with 22 on the LED, leave.
Likely causes
- Leaky gas valve
- Stuck-open gas valve
Safe checks for 22
- Count 2 short flashes and 2 long flashes. Leave the furnace off if you smell gas
- Technicianinspect the gas valve. The inducer is supposed to keep running until this fault clears
Capacitors can hold a charge after the power is off. Safety terms.
When to call a pro
Call a licensed HVAC technician immediately. Do not reset this and leave the furnace running.
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Parts & tools for this fix
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Furnace inducer (draft) motor: guide
Technician step in this code: inspect the gas valve. The inducer is supposed to keep running until this fault clears
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