Carrier furnace code 11: No Previous Fault Stored
Info — not a fault
What does code 11 mean on a Carrier furnace? 1 short + 1 long flash on recall = nothing stored. Codes self-erase after 72 hours (and on RED-LED boards, whenever power is interrupted).
GOOD NEWS: THE FIRST CHECKS ARE FREE AND TAKE MINUTES.
Try these first — in this order
Nothing to fix — this is the all-clear.
Questions about this code
What does code 11 mean on a Carrier furnace?
1 short + 1 long flash on recall = nothing stored. Codes self-erase after 72 hours (and on RED-LED boards, whenever power is interrupted).
Does Carrier furnace code 11 mean I need a repair?
It's the all-clear, not a fault. Stored codes erase themselves over time, so if the furnace isn't heating, note any active code and contact a technician.
How much does it cost to fix Carrier furnace code 11?
Code 11 itself needs no repair, so there's no cost tied to it. Any service cost depends on a separate problem a technician identifies.
Applies to
58STA · 58STX
Different Carrier generations use different code maps. If your series isn't listed, don't assume this meaning — check your blower-door label.
Same control platform, same code: Bryant furnace code 11 · Payne furnace code 11
Verified against Carrier 58STA/58STX Installation & Service Instructions (1106202L), p.37
Last verified 2026-07-06 · page updated 2026-10-03 · how we verify
Related Carrier furnace codes
These codes use the same status led — short + long flash codes system.