Error Code LED Steady On (Continuous)
Info

Amana AMSS960803BN Error Code LED Steady On (Continuous): Normal Operation

TL;DR
Your Amana AMSS960803BN is operating normally. The steady LED confirms no faults are present and no action is needed.
Disclaimer
This article is for informational purposes only and does not guarantee the accuracy or completeness of the information provided. Always turn off power and gas supply before attempting any repairs. If you smell gas, leave immediately and call your gas company. Consult a licensed HVAC technician for diagnosis and repair. Any actions taken based on this information are at your own risk.

What Does Code LED Steady On (Continuous) Mean?

A steady, continuously lit LED on your Amana AMSS960803BN's integrated control module indicates that the furnace has power and is functioning without any fault conditions. This is the normal operating state — the control module is monitoring all systems and is ready to respond when the thermostat calls for heat.

The diagnostic LED on this furnace uses different flash patterns to communicate the system status. A steady on light is the ideal state, confirming that 115-volt and 24-volt power are present, all safety circuits are intact, and no error conditions have been recorded. The furnace may be actively heating or simply standing by in between heating cycles.

If your home is not getting warm even though the LED shows steady on, the issue likely lies outside the furnace. Verify that your thermostat is set to heat mode, the target temperature is above the current room temperature, and the fan switch is on AUTO. Also check that thermostat wiring has not come loose at either the thermostat or the furnace control board.

Contact a licensed HVAC technician if any of these apply:

Sources

  1. Service Instructions - GMSS9*/GCSS9*/AMSS9*/ACSS9* Single Stage Gas Furnaces and Accessories

✓ Verified against manufacturer service manual — March 2026