What are the codes on a furnace?
What does a red blinking light on a Trane furnace mean?
| Trane Furnace Error Code | Meaning |
|---|---|
| 3 blinks | Pressure switch problem |
| 4 blinks | Temperature switch problem / Over temperature limit |
| 5 blinks | Flame sensed when no flame should be present |
| 6 blinks | 115 VAC power reversed polarity, poor grounding |
What do the lights on my furnace mean?
Typically you would see a solid amber or yellow light, indicating everything is fine and your furnace is in good working order. However, if you notice that the furnace light is blinking red multiple times, it’s an indication that something isn’t right with your system and furnace repair service could be in your future.
What does 3 blinks mean on a furnace?
Have you ever looked at your furnace and thought what do 3 flashes on American Standard furnace mean? This error occurs when the combustion air pressure switch that monitors the flow of air through the vent system fails to close while the induced draft motor is operating.
What does the orange blinking light on my furnace mean?
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.
Why is my furnace blinking 4 red lights?
Four red flashes indicate that a 24-volt fuse or the high-limit switch is open. Possible causes include an improperly sized ducting system, a dirty air filter, a faulty blower motor, an open fuse on the control board or restricted circulating airflow.
How do you reset the code on a furnace?
Quote from the video:
Quote from Youtube video: Some people will turn it off turn it back on turn it off turn it back on again and that'll reset your furnace.
What does a red flash code indicate?
1 RED FLASH: This indicates that flame was sensed when there was not a call for heat. With this fault code the control will turn on both the inducer motor and supply air blower. A gas valve that leaks through or is slow closing would typically cause this fault.
Why is my furnace light blinking 6 times?
When the light is blinking six times rapidly, this means the power volt polarity has gotten switched.
