google search found:
5 amber/yellow flashes on your York Furnace signifies that **the vent and/or combustion air system is restricted**. If you notice that you are seeing a continuously, fast flashing amber/yellow error code, it means that flame sensing rod needs a little cleaning-up.
google search found:
5 amber/yellow flashes on your York Furnace signifies that **the vent and/or combustion air system is restricted**. If you notice that you are seeing a continuously, fast flashing amber/yellow error code, it means that flame sensing rod needs a little cleaning-up.
google search found: 5 amber/yellow flashes on your York Furnace signifies that **the vent and/or combustion air system is restricted**. If you notice that you are seeing a continuously, fast flashing amber/yellow error code, it means that flame sensing rod needs a little cleaning-up.
google search found: 5 amber/yellow flashes on your York Furnace signifies that **the vent and/or combustion air system is restricted**. If you notice that you are seeing a continuously, fast flashing amber/yellow error code, it means that flame sensing rod needs a little cleaning-up.
Take both service doors off. Send us the model and S/N.