Bryant error codes
16 documented codes with ranked causes, repair costs, and step-by-step guidance.
Bryant furnace code chart (16)
Bryant Furnace — Code 24 Bryant Furnace Code 24: Meaning, Causes & Fixes Bryant Furnace Code 24 means the 3A control-board fuse is blown from a 24V wiring short. Causes, fixes and $75–$350 repair costs explained. Bryant Furnace — Code 32 Bryant Furnace Code 32: Low-Pressure Switch Fault Fixes Bryant Furnace Code 32 means the low-stage pressure switch didn't close or reopened. Causes, safe checks, fixes and repair costs from $0 DIY to about $1,200. Bryant Furnace — Code 43 Bryant Furnace Code 43: Pressure Switch Calibration Fixes Bryant Furnace Code 43 means a pressure switch calibration fault. Causes, safe checks, fixes and repair costs from $0 DIY to about $1,200. Bryant Furnace — Code 41 Bryant Furnace Code 41: Blower Motor Fault Fixes Bryant Furnace Code 41 means an ECM blower fault. Causes, safe checks, tech diagnosis, and repair costs from $0 DIY to $1,500 for a new blower motor. Bryant Furnace — Code 45 Bryant Furnace Code 45: Control Circuitry Lockout Fixes Bryant Furnace Code 45 means a control circuitry lockout from flame-sense, software or gas-valve relay faults. Causes, fixes and $0–$1,200 costs. Bryant Furnace — Code 21 Bryant Furnace Code 21: Meaning, Causes & Fixes Bryant Code 21 means a gas valve wiring or relay fault on the control board. What it means, safe checks, and realistic 2026 US repair costs. Bryant Furnace — Code 22 Bryant Furnace Code 22: Meaning, Causes & Fixes Bryant Furnace Code 22 means flame is sensed with the gas valve off. Causes, safe checks, and repair costs from $0 DIY to $600+ for a gas valve. Bryant Furnace — Code 23 Bryant Furnace Code 23: Meaning, Causes & Fixes Bryant Code 23 means the pressure switch was stuck closed before the inducer ran. Causes, safe checks, technician fixes and $0–$350 repair costs. Bryant Furnace — Code 31 Bryant Furnace Code 31: Meaning, Causes & Fixes Bryant Furnace Code 31 means the pressure switch didn't prove. Causes, safe checks, fixes and real costs from $0 DIY to $1,200+ for inducer or vent work. Bryant Furnace — Code 34 Bryant Furnace Code 34: Ignition Proving Failure Fixes Bryant Furnace Code 34 means ignition proving failure. Causes: dirty flame sensor, igniter, gas, ground. Fixes and costs from $0 DIY to $400. Bryant Furnace — Code 42 Bryant Furnace Code 42: Inducer Motor Fault Fixes Bryant Furnace Code 42 means an inducer motor fault. Learn causes, safe checks, fixes, and repair costs from $0 DIY to about $1,200 for a new inducer. Bryant Furnace — Code 44 Bryant Furnace Code 44: Blower Calibration Fault Fixes Bryant furnace Code 44 means a variable-speed blower calibration fault. Learn the causes, safe checks, technician fixes and repair costs ($0–$900). Bryant Furnace — Code 12 Bryant Furnace Code 12: Meaning, Causes & Fixes Bryant Furnace Code 12 means a blower call with no power. Causes, safe checks, and repair costs from $0 DIY to $600 for a control board. Bryant Furnace — Code 14 Bryant Furnace Code 14: Meaning, Causes & Fixes Bryant Furnace Code 14 means an ignition lockout. Causes, safe checks, and repair costs ($0 DIY to $600 pro) explained for homeowners. Bryant Furnace — Code 13 Bryant Furnace Code 13: Meaning, Causes & Fixes Bryant furnace Code 13 means a limit circuit lockout. Learn causes, safe checks, technician diagnosis and repair costs from $0 DIY to $600. Bryant Furnace — Code 33 Bryant Furnace Code 33: Meaning, Causes & Fixes Bryant furnace Code 33 means a limit or flame rollout switch tripped. Causes, safe checks, and pro repair costs from $0 to $600.