Product troubleshooting
Bryant 926TC60100V21 troubleshooting and error codes
These codes are matched from manufacturer documentation to this model's series or control platform. Keep checks visible and safe; do not open electrical, refrigerant, gas, combustion, or sealed equipment compartments.
Source-backed code set
45 matched codes
| Code | Meaning | System area | Priority |
|---|---|---|---|
| 10.1 | L1 polarity fault | Line power / polarity | Urgent |
| 12.1 | W on at power up | Thermostat input / startup | Service |
| 13.1 | Limit lockout - switch open longer than 3 minutes in Main Limit circuit | Main limit circuit | Urgent |
| 14.1 | Ignition lockout after 4 consecutive ignition tries | Ignition / flame proving | Urgent |
| 14.2 | Flame lost 3 times after 70s of heating | Flame sensing | Urgent |
| 14.3 | Lockout - 7 loss of flame events during a heat request | Flame sensing | Urgent |
| 14.4 | Lockout - 7 LPS open circuits during a heat request | Main pressure switch | Urgent |
| 15.1 | Lockout - no blower RPM detected | Indoor blower | Urgent |
| 19.1 | InteliSense communications loss | InteliSense communications | Service |
| 21.1 | 24VAC sensed on gas valve when it should not be | Gas valve circuit | Urgent |
| 22.1 | False flame | Flame sensing | Urgent |
| 23.4 | LPS stuck closed | Main pressure switch | Urgent |
| 23.5 | HPS stuck closed | High-heat pressure switch | Urgent |
| 24.1 | Fuse fault | Low-voltage control circuit | Urgent |
| 25.1 | No program info in micro, no heating operation | Furnace control programming | Urgent |
| 25.2 | Corrupted program file, no heating operation | Furnace control programming | Urgent |
| 25.3 | Twinned units are not identical; program numbers do not match | Twinning / control programming | Urgent |
| 25.4 | Main program invalid, using backup program to operate | Furnace control programming | Service |
| 25.5 | Installer settings corrupted | Furnace control settings | Service |
| 25.6 | Wrong program for control used | Furnace control programming | Urgent |
| 25.7 | Non-condensing program detected in a condensing model | Furnace control programming | Urgent |
| 27.1 | Program in super plug is missing | Control programming accessory | Urgent |
| 27.2 | Program in super plug is not recognized or corrupted | Control programming accessory | Urgent |
| 27.3 | Super plug programming failed | Control programming accessory | Urgent |
| 31.1 | Open secondary pressure switch (HPS) | High-heat pressure switch | Urgent |
| 31.3 | High Heat Only or next-cycle HPS failed to close | High-heat pressure switch | Urgent |
| 32.1 | Open Main pressure switch (LPS) | Main pressure switch | Urgent |
| 33.1 | A switch has opened in the Main Limit circuit | Main limit circuit | Urgent |
| 33.2 | Lockout - High Heat Only for current cycle | Main limit circuit | Urgent |
| 34.1 | Ignition fault during four consecutive ignition trials | Ignition / flame proving | Urgent |
| 34.5 | Low heat flame lost before on-delay | Flame sensing | Urgent |
| 34.6 | Low heat flame lost after on-delay | Flame sensing | Urgent |
| 34.7 | High heat flame lost before on-delay | Flame sensing | Urgent |
| 34.8 | High heat flame lost after on-delay | Flame sensing | Urgent |
| 34.9 | No blower RPM at start up | Indoor blower | Urgent |
| 41.1 | No RPM from blower motor while running | Indoor blower | Urgent |
| 43.1 | HPS closed before LPS | Pressure switches | Urgent |
| 45.1 | Internal control error | Furnace control board | Urgent |
| 45.2 | GVR relay not closing | Furnace control board / gas valve relay | Urgent |
| 45.3 | Micro EEPROM error | Furnace control board | Urgent |
| 46.1 | Momentary loss of power | Electrical supply | Notice |
| 52.1 | SAT - Open | Supply-air temperature sensor | Service |
| 52.2 | SAT - Short | Supply-air temperature sensor | Service |
| 53.1 | RAT - Open | Return-air temperature sensor | Service |
| 53.2 | RAT - Short | Return-air temperature sensor | Service |
No matching error codes found.