Payne Furnace Code 23
WarningShown as: 2 short flashes, 3 long flashes
Pressure switch did not open. The control expected the pressure switch to be open before the inducer started and it was already closed.
Manual wording: “23 PRESSURE SWITCH DID NOT OPEN - Check for: - Obstructed pressure tube. - Pressure switch stuck closed.”
Documented for: PG92ESA, PG95ESA, PG96VTA
Likely causes, most common first
- Obstructed pressure tube
- Pressure switch stuck closed
When to call a technician
The pressure switch is a combustion safety device. A technician must inspect the tubing and switch. Never jumper or bypass a pressure switch.
A Payne furnace throwing this code repeatedly has a reason — clearing the code without fixing the cause just hides it.
Sources
- PG92ESA: Installation, Start-up, Operating and Service and Maintenance Instructions (Payne, PG92ESA multipoise 92% single-stage condensing gas furnace) · checked 2026-08-25
- PG95ESA: Installation, Start-up, Operating and Service and Maintenance Instructions (Payne, PG95ESA multipoise 95% single-stage condensing gas furnace) · checked 2026-08-25
- PG96VTA: Installation, Start-up, Operating and Service and Maintenance Instructions (Payne, PG96VTA two-stage, variable-speed ECM 4-way multipoise condensing gas furnace) · checked 2026-08-25