Carrier/Bryant Gas Furnaces
Re: Lockout Codes
Each of the following status codes is a 2-digit number.
► The first digit is determined by the number of SHORT flashes and the second digit is determined by the number of LONG flashes.
► For Example: 1-Short Flash, 2-Long Flashes (- , — —) = Code 12.
Code | Description | Information |
---|---|---|
11 | NO PREVIOUS CODE | Stored status codes are erased when 115V or 24V power to the control is interrupted or after 48Hrs. |
12 | BLOWER ON AFTER POWER-UP | Blower run for 90 seconds if the unit is powered-up during a call for heat. |
13 | LIMIT OR ROLLOUT LOCKOUT | Control will reset after three hours. Refer to #33 |
14 | IGNITION LOCKOUT | Control will reset after three hours. Refer to #34 |
21 | GAS HEATING LOCKOUT | Flame sensed without a call for heat. Must be manually reset. |
22 | ABNORMAL FLAME SIGNAL | Flame is proved while gas valve is de-energized.Inducer will run until faul is cleared. |
23 | PRESSURE SWITCH DID NOT OPEN | Pressure switch contacts closed when they should be open. |
24 | 24V FUSE IS BLOWN | 24V fuse on board is blown. |
31 | PRESSURE SWITCH, DRAFT SAFEGUARD | Pressure switch failed to close or re-opened after closing. Also, Auxiliary limit or blocked vent switch open. |
33 | LIMIT OR ROLLOUT OPEN | If limit is open more than 3 minutes - changes to code #13. Flame rollout requires manual reset. |
34 | IGNITION PROVING FAILURE | Control will retry 3 times before changing to code #14. If flame is lost during heat cycle blower will run 90 seconds. |