Carrier Error Code 22: Abnormal flame-proving signal (Furnace)
Carrier error code 22 on a furnace means: Abnormal flame-proving signal. It is also called Carrier diagnostic code 22.
Homeowner? What Carrier code 22 means for you
Stop and call Your furnace is reporting: Abnormal flame-proving signal. This code is a safety shutdown. Turn the furnace off and call a licensed technician. Do not keep resetting it. If you smell gas, leave the house and call your gas utility or 911 from outside.
Safe things you can check yourself
- Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
- Make sure the unit has power: its on/off switch (often looks like a light switch near the unit) is ON and the breaker in the electrical panel is not tripped.
Call (647) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Carrier error code 22 mean?
Flame is sensed while the gas valve is supposed to be off. The inducer keeps running (high speed) until the fault clears.
Applies to: 59TP6A two-stage variable-speed ECM multipoise condensing gas furnace, all sizes (040-10 to 120-22)
Common causes of Carrier code 22
- Gas valve stuck open or leaking through
Carrier models that use code 22
Show all 22 models
58SB0A045E14--1258SB0A045E17--1258SB0A070E14--1258SB0A070E17--1258SB0A070E17--1658SB0A070E21--1658SB0A090E17--1458SB0A090E21--1658SB0A090E21--2058SB0A090E24--2058SB0A110E21--2058SB0A110E24--2058SB0A135E24--2058SB0A155E24--2059TP6A040-1059TP6A040-1259TP6A060-1259TP6A060-1459TP6A080-1659TP6A080-2059TP6A100-2059TP6A120-22
Other Carrier Furnace codes
All Carrier Furnace error codes →
Carrier code 22: homeowner questions
What does Carrier code 22 mean?
Abnormal flame-proving signal. Flame is sensed while the gas valve is supposed to be off. The inducer keeps running (high speed) until the fault clears.
Is it safe to keep using my furnace with code 22?
No. Code 22 is a safety shutdown, so keep the furnace off until a licensed technician has checked it.
Can I reset Carrier code 22 myself?
Do not keep resetting it. Repeated resets can hide a safety problem; a licensed technician needs to find the cause.
Who can fix Carrier code 22 near me?
Aurora Star Tech Inc. repairs Carrier furnaces in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.
Homeowner help: Furnace Not Turning On: What to Check · Furnace Blinking Light: What the Flash Codes Mean
Troubleshooting guides
- Blowing cold air All brands · Furnace
- No heat All brands · Furnace
- Short cycling All brands · Furnace
- Burners will not light or stay lit - Carrier 58SB0A/58SB1A Carrier · Furnace
- Furnace not responding to thermostat - Carrier 58SB0A/58SB1A Carrier · Furnace
Source: Carrier 59TP6A Installation, Start-up, Operating and Service Instructions, Fig. 66 Troubleshooting Guide (cont.), p.89; Sequence of Operation, p.85. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.