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