York TM9V080B12MP11 Furnace Error Codes

Single Stage Gas Furnace | Control Board: Integrated Furnace Control Board

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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?
Normal Operation - No Call for Heat Normal Operation - No Call for Heat Info — →
Normal Operation - Call for Heat Normal Operation - Call for Heat Info — →
No Power or Board Failure No Power or Board Failure Critical ✗ Call a pro →
Control Failure Control Failure Critical ✗ Call a pro →
Low Flame Sense Current Low Flame Sense Current Medium ✗ Call a pro →
Flame Sensed With No Call for Heat Flame Sensed With No Call for Heat Critical ✗ Call a pro →
Pressure Switch Stuck Closed Pressure Switch Stuck Closed Medium ✗ Call a pro →
Pressure Switch Open Pressure Switch Open Medium ✗ Call a pro →
Limit Switch Open Limit Switch Open Medium ✗ Call a pro →
Rollout Switch Open Rollout Switch Open Critical ✗ Call a pro →
Pressure Switch Opened During Operation Pressure Switch Opened During Operation Medium ✗ Call a pro →
Ignition Failure Ignition Failure Medium ✗ Call a pro →
Flame Lost During Heating Flame Lost During Heating Medium ✗ Call a pro →
Reversed Polarity / Grounding Fault Reversed Polarity / Grounding Fault Critical ✗ Call a pro →
Gas Valve Energized With No Call for Heat Gas Valve Energized With No Call for Heat Critical ✗ Call a pro →
Limit Circuit Open - Blower Failure Limit Circuit Open - Blower Failure Critical ✗ Call a pro →
High-Fire Pressure Switch Open High-Fire Pressure Switch Open Medium ✗ Call a pro →
Y Signal Without G Signal Y Signal Without G Signal Medium ✗ Call a pro →

How to Read the Error Code

Single multi-color LED (Red, Green, Amber) on the control board, visible through clear view port in blower compartment door. Slow flash = 2 seconds on, 2 seconds off. Numbered flash codes = 1/3 second on, 1/3 second off, repeated for the code number, with 2-second pause between sequences. Continuous flash = no breaks. Supports LAST ERROR button for retrieving up to 5 stored fault codes from memory.

About This Model

The York TM9V080B12MP11 is a single stage gas furnace using the Integrated Furnace Control Board-series integrated furnace control (IFC) board.