Payne Furnace Code 27
Hard lockoutShown as: 2 short flashes, 7 long flashes; minor codes 27.1 through 27.3
The program in the super plug is missing, not recognized, or corrupted.
Manual wording: “27.1 - 27.3 Program in super plug is missing, not recognized, or corrupted. Remove super plug then retry.”
Documented for: PG80MSU
Likely causes, most common first
- Super plug missing, unreadable, or corrupted
When to call a technician
A technician removes the super plug and retries, then tries a different super plug; if code 27 persists the control is replaced.
A Payne furnace throwing this code repeatedly has a reason — clearing the code without fixing the cause just hides it.
Source
- PG80MSU: Installation, Start-up, Operating and Service and Maintenance Instructions (Payne, PG80MSU 80% multipoise gas furnace with 3-digit display and pressure transducer) · checked 2026-08-25