Goodman GMSS920803BN Furnace Error Codes

Single Stage Gas Furnace | Control Board: Integrated Control Module

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Disclaimer
This information is for reference purposes only and does not guarantee accuracy or completeness. Always consult your owner's manual and a licensed HVAC technician for diagnosis and repair. Any actions taken based on this information are at your own risk.

All Error Codes

Code Name Severity DIY?
No LED Signal No Power High ✓ Yes →
LED Steady On (Continuous) Normal Operation Info — →
1 Flash System Lockout High ✗ Call a pro →
2 Flashes Pressure Switch Stuck Closed High ✗ Call a pro →
3 Flashes Pressure Switch Stuck Open High ✗ Call a pro →
4 Flashes Primary or Auxiliary Limit Circuit Open High ✓ Yes →
5 Flashes Flame Sensed With No Call for Heat High ✗ Call a pro →
6 Flashes Rollout Limit Circuit Open / Control Board Fuse Blown High ✗ Call a pro →
7 Flashes Low Flame Signal Low ✗ Call a pro →
8 Flashes Igniter Circuit Fault High ✗ Call a pro →
Continuous/Rapid Flash Reversed Polarity High ✗ Call a pro →

How to Read the Error Code

The integrated control module has a built-in diagnostic LED that flashes fault codes. LED Flash code will cease if power to the control module is interrupted through the disconnect or door switch. The integrated control module will automatically attempt to reset from lockout after one hour.

About This Model

The Goodman GMSS920803BN is a single stage gas furnace using the Integrated Control Module control board.