Ignition lockout. The system failed to ignite gas and prove flame in 4 attempts. The control auto-resets after 3 hours. The manual says to see status code 34.
Homeowner part this code names: furnace hot surface igniter.
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Bryant 926TB code 14 is ignition lockout. Count 1 short flash and 4 long flashes. The guide says the furnace failed to ignite gas and prove flame in 4 attempts, then auto-resets after 3 hours, and says to see code 34. The sequence in the same manual warms the hot-surface igniter for 17 seconds and then allows a 2-second proving window. It also says the control must be grounded or it will lock out. Resetting the 3-hour timer is not a repair.
Likely causes
- Gas did not ignite and flame was not proved in 4 attempts
Safe checks for 14
- Count 1 short flash and 4 long flashes. The same manual's sequence says the hot-surface igniter warms up for 17 seconds, then a 2-second flame-proving window follows. Failed trials repeat, then the control goes to ignition lockout
- The sequence says lockout resets after three hours, or when 115 V or 24 V power to the control is interrupted. Resetting is not a repair
- The sequence also says the furnace control must be grounded or it will lock out
- Technicianfollow status code 34, which code 14 points to
Capacitors can hold a charge after the power is off. Safety terms.
When to call a pro
Call a licensed HVAC technician if 14 returns after the 3-hour reset. Do not jumper the gas valve.
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Parts & tools for this fix
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Furnace hot surface igniter: guide
In this code: Count 1 short flash and 4 long flashes. The same manual's sequence says the hot-surface igniter warms up for 17 seconds, then a 2-second flame-proving window follows.…
Nut driver set: guide
In this code: Panels and parts on a furnace are held by hex-head screws; a nut driver grips them without stripping.
See the guide for what to look for when buying one.
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