Trane Error Code STEADY-ON: Control Board Problem

LED Blink Pattern

How to Fix Trane Code STEADY-ON

1. Step 1: Turn off your HVAC system at the thermostat and the main power switch.
2. Step 2: Check if the issue persists after turning your system back on. If it does, do not attempt to troubleshoot further.
3. Step 3: Call a professional HVAC technician to diagnose and repair the issue.

How to Reset Trane Code STEADY-ON

1. Turn off the furnace power switch, usually located on or near the unit.
2. Turn off the circuit breaker for the furnace. Wait 30 seconds.
3. Restore power at the breaker and flip the furnace switch back on.
4. Set the thermostat to call for heat. If the error code returns after 2-3 ignition attempts, the fault requires repair.

Resetting clears the code from the display but does not fix the underlying fault. If the code returns after reset, proceed to the diagnostic steps above.

What Does Trane Error Code STEADY-ON Mean?

The STEADY-ON error on your Trane HVAC system indicates that the control board is not functioning properly. The control board is the brain of your HVAC system, responsible for coordinating all the components to ensure your home stays comfortable. When it's not working right, your system may not run as expected, leading to discomfort and potential damage to other components.

Common Causes

• A faulty control board
• Loose or damaged wiring connected to the control board
• Incorrect system configuration or programming
• Power surges or electrical issues in your home

Diagnostic Steps

Replacement Parts

Related Codes on Same Models

Other codes that affect the same Trane model families as STEADY-ON.