MEDIUM URGENCY

York 12 Red Flashes — Open Igniter Circuit

12 red flashes

Open igniter circuit — failed igniter or wiring fault.

Brand: York (Also covers Coleman, Luxaire) | Equipment: Gas Furnace

What This Code Means

12 red flashes means the control detects an open circuit at the igniter. Either the igniter element is broken or the wiring is damaged.

Most common

What: Element broken.

How to check: Visual inspection.

Fix: Replace igniter.

Shop parts

Common

What: Broken wire to igniter.

How to check: Inspect connections.

Fix: Repair wiring.

How long does a York igniter last?

3-5 years typically.

DIY?

Yes — usually 2 wires and 1-2 screws.

Same on Coleman/Luxaire?

Yes.