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KB Home / Equipment / Gas Furnaces / Carrier/Bryant / 58MXA / Carrier/Bryant Furnace Lockout Codes

Carrier/Bryant Furnace Lockout Codes

Article ID: 111
Last updated: 17 Mar, 2020

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.

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Article ID: 111
Last updated: 17 Mar, 2020
Revision: 12
Access: Public
Views: 1532
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