Bryant Furnace Code 25.2
Hard lockoutShown as: Major code 25 flashed on the LED (2 short, 5 long); 25.2 on the display
Corrupted program file. The control must be reprogrammed with the service app or a super plug; there is no heating operation until it is.
Manual wording: “25.2 CORRUPTED PROGRAM FILE, reprogram control using service app or super plug (supplied separately), no heating operation.”
Documented for: 926TC, 912SE
Likely causes, most common first
- Corrupted program in the control board
When to call a technician
Reprogramming the control requires the dealer's service app or a super plug. Call your Bryant dealer.
A Bryant furnace throwing this code repeatedly has a reason — clearing the code without fixing the cause just hides it.
Sources
- Installation, Start-up, Operating and Service and Maintenance Instructions - 926TC (Bryant Heating & Cooling Systems, 926TC Preferred Series two-stage, variable-speed ECM multipoise condensing gas furnace) · checked 2026-08-25
- Installation, Start-up, Operating and Service and Maintenance Instructions - 912SE (Bryant Heating & Cooling Systems, 912SE Legacy Line 92% single-stage condensing gas furnace) · checked 2026-08-25