Carrier 58SB0 Comfort™ 80 Gas Furnace 33: Limit circuit fault
The furnace control is reporting a limit-circuit fault.
Carrier 58SB0 Comfort™ 80 Gas Furnace 34: Ignition proving failure
The furnace control is reporting an ignition-proving failure.
Carrier 58SB0 Comfort™ 80 Gas Furnace 45: Control circuitry lockout
The furnace control is reporting a control-circuitry lockout condition.
Carrier 58SB1 Comfort™ 80 Low NOx Gas Furnace 11: No previous code
The Carrier furnace control is not reporting a stored previous fault code.
Carrier 58SB1 Comfort™ 80 Low NOx Gas Furnace 12: Blower on after power up
The blower is running after power-up as part of the furnace control status sequence.
Carrier 58SB1 Comfort™ 80 Low NOx Gas Furnace 13: Limit circuit lockout
The furnace control is reporting a limit-circuit lockout condition.
Carrier 58SB1 Comfort™ 80 Low NOx Gas Furnace 14: Ignition lockout
The furnace control is reporting an ignition lockout condition.
Carrier 58SB1 Comfort™ 80 Low NOx Gas Furnace 21: Gas heating lockout
The furnace control is reporting a gas-heating lockout condition.
Carrier 58SB0 Comfort™ 80 Gas Furnace 11: No previous code
The Carrier furnace control is not reporting a stored previous fault code.
Carrier 58SB0 Comfort™ 80 Gas Furnace 12: Blower on after power up
The blower is running after power-up as part of the furnace control status sequence.