What does Luxaire code 2 Blinks mean?
Luxaire furnace code 2 Blinks means the pressure switch was stuck closed when it should have been open on the supported control family. Confirm the model number and diagnostic chart inside the furnace door before replacing parts.
What causes Luxaire code 2 Blinks?
- A pressure switch stuck closed
- A pinched or incorrectly connected pressure hose
- Shorted pressure-switch wiring or a control fault
Can I troubleshoot Luxaire code 2 Blinks?
- Turn furnace power off for five minutes and do not bypass or jumper the pressure switch.
- Check only the outdoor vent openings for obvious snow, ice, leaves, or nests before restoring power once.
How much does Luxaire code 2 Blinks cost to fix?
A pressure switch replacement typically costs between $175 and $650 nationally.
When should I call a technician?
Call a technician if the code returns; the switch, hose, wiring, and inducer draft need testing.
Sources and model scope
Fault codes vary by model and control board. Confirm the diagnostic chart inside your furnace panel or the official manual before acting.
Scope used here: Johnson Controls integrated furnace controls using the documented 1–12 red-flash table.
- Johnson Controls Unitary Products: Gas Furnace Installation Manual
272441-UIM-E-0513 · Johnson Controls integrated furnace controls with the 1–12 red-flash table in this manual; other model families may differ.
Compiled by Warmlo Editorial · Reviewed August 2026
This is general information, not professional advice. Gas, electrical, and combustion repairs can be dangerous — when in doubt, call a licensed technician.