If you’re looking for help fixing your Ducane furnace, look no further! Our comprehensive Ducane furnace repair guide will explain common issues, provide troubleshooting tips, and show you how to read your model’s error codes.

CODE: LED Off
PROBLEM: No power to control or control hardware fault detected

CODE: LED On
PROBLEM: Normal operation

CODE: 1 Flash
PROBLEM: Flame Present with gas valve off

CODE: 2 Flashes
PROBLEM: Pressure switch closed with inducer off

CODE: 3 Flashes
PROBLEM: Low-fire pressure, rollout, or aux limit switch open

CODE: 4 Flashes
PROBLEM: High limit switch open

CODE: 5 Flashes
PROBLEM: Not used

CODE: 6 Flashes
PROBLEM: Pressure switch cycle lockout

CODE: 7 Flashes
PROBLEM: Lockout due to no ignition

CODE: 8 Flashes
PROBLEM: Lockout due to too many flame dropouts

CODE: 9 Flashes
PROBLEM: Incorrect polarity and phasing

ducane furnace codes

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