MEDIUM URGENCY

Nordyne 1 Flash - Ignition Lockout

1 flash

Locked out after multiple failed ignition attempts.

Brand: Nordyne (Also covers Frigidaire, Maytag, Westinghouse, Tappan, Gibson, Intertherm, NuTone, Miller, Broan) | Equipment: Gas Furnace

What This Code Means

1 LED flash on a Nordyne-family furnace (Frigidaire, Maytag, Westinghouse, Tappan, Gibson, Intertherm) means the control attempted ignition 3-4 times and failed each time, entering safety lockout.

Likely Causes (Ranked)

Most common

Dirty flame sensor

What: Coated sensor cannot detect flame; control thinks ignition failed.

How to check: Pull sensor (single screw); look for black/white oxide coating.

Fix: Clean with fine emery cloth or steel wool.

Shop parts

Common

Failed hot surface igniter

What: Igniter cracked or burned out; won't reach ignition temperature.

How to check: Watch heat cycle - should glow bright orange in 30 seconds.

Fix: Replace igniter.

Shop parts

Common

Gas supply issue

What: Manual valve closed or low gas pressure.

How to check: Verify shutoff valve fully open; test other gas appliances.

Fix: Open valve or call gas utility.

Diagnostic Steps

Cut power 60s to clear lockout
Watch heat cycle
Clean flame sensor
Replace igniter if no glow
Call HVAC tech if persistent

Frequently Asked Questions

Same on Frigidaire/Maytag/Westinghouse?

Yes - all Nordyne-family brands (Frigidaire, Maytag, Westinghouse, Tappan, Gibson, Intertherm, NuTone, Miller, Broan) use the same control board and flash codes.

How to reset Nordyne 1 flash lockout?

Cut power for 60 seconds. Lockout clears, but the underlying problem will trigger it again unless fixed.

Most common fix?

Flame sensor cleaning - resolves about half of cases.

Related Nordyne Codes

Related Symptoms

Need More Help?

Try our interactive symptom diagnostic tool or browse Nordyne parts.

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