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Nordyne Furnace Error Codes - Complete Guide

Nordyne manufactures furnaces under many brand names: Frigidaire, Maytag, Westinghouse, Tappan, Gibson, Intertherm, NuTone, Miller, and Broan. All use the same control board and identical LED flash codes. Also covers Frigidaire, Maytag, Westinghouse, Tappan, Gibson, Intertherm, NuTone, Miller, Broan.

All Nordyne Error Codes

1 flash
Ignition Lockout
Locked out after multiple failed ignition attempts.
2 flashes
Pressure Switch Stuck Open
Pressure switch open during inducer operation.
3 flashes
Limit Switch Open
High limit switch open - overheating. Usually restricted airflow.
4 flashes
Pressure Switch Stuck Closed
Pressure switch stuck closed when inducer is off.
5 flashes
Flame Sensed With No Heat Call
Flame detected when there should be no heat call - leaky valve.
6 flashes
Reversed Polarity
Line voltage polarity reversed or grounding fault.
7 flashes
Gas Valve Circuit Problem
Gas valve circuit problem - wiring, coil, or board fault.
8 flashes
Igniter Open Circuit
Igniter open circuit - failed hot surface igniter.

Need Help With Something Else?

If you don't see your code here, try our master error code lookup covering all major brands, or our symptom-based diagnostic tool.

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