Understanding LED flash patterns on Goodman and Amana furnaces
Locate the LED light on your furnace control board and count the flashes
What it means:
System is running normally with no errors detected.
What to do:
No action needed - furnace is operating correctly.
What it means:
Inducer running but pressure switch not closing. Could be blocked vent, disconnected hose, or faulty switch.
What to do:
Check exhaust vents for blockages. If clear, professional service needed.
What it means:
Pressure switch closed when inducer is off.
What to do:
Disconnect power, wait 30 seconds, restart. If repeats, call technician.
What it means:
Furnace overheating due to restricted airflow or cycling issue.
What to do:
Check filter and replace if dirty. Ensure all supply vents are open. Call if persists.
What it means:
Flame rollout switch tripped - serious safety issue with venting or burner.
What to do:
Turn off furnace immediately. Do not reset repeatedly. Call professional now.
What it means:
System locked out after multiple failed ignition attempts.
What to do:
Turn off power for 5 minutes, then restart. If lockout repeats, professional help needed.
What it means:
Flame sensor not detecting proper flame signal.
What to do:
Could be dirty flame sensor or gas pressure issue. Requires professional service.
What it means:
Multiple failed ignition attempts. Gas valve, igniter, or control board issue.
What to do:
Verify gas supply is on. Turn power off/on once. If repeats, call technician.
Goodman and Amana furnaces use identical control boards and flash patterns. Both brands are manufactured by the same parent company, so the diagnostic codes are the same.
This guide applies to most Goodman and Amana gas furnaces manufactured after 2005.
Our technicians service all Goodman and Amana furnace models. We carry common replacement parts for fast repairs.
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