Readers ask: How To Troubleshoot A 31 Code On A Courier Furnace?

What is code 31 on a carrier furnace?

What it means: Code 31 typically indicates a problem with the high pressure switch. This switch senses the amount of air pressure inside the furnace and will flip if the pressure is too high. Air pressure issues can occur when the furnace’s condenser coils are dirty or if the high pressure switch is faulty.

How do you manually reset a carrier furnace?

To reset the furnace, press and release the raised red button at the center of the flame roll-out switch. 30 minutes between each reset is allowed, and you can press the button up to three times.

What is a code 13 on a carrier furnace?

It means that the high limit or flame rollout switch is open. This can lead to error code 13, Limit Circuit Lockout. Error 13 means that the limit or flame rollout has been open for more than 3 minutes. To address this issue, we need to ensure the furnace has proper air flow, and increase it if necessary.

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What does it mean when the light on your furnace is blinking?

When your furnace light flashes, that’s just another way it’s trying to communicate with you that there is a problem. When you see a flashing light, your furnace is sending you an error code. Check your circuit breaker box to see if you tripped the breaker for the furnace.

How do you read a Bryant furnace error code?

bryant furnace codes. Each of the following status codes is a two digit number with the first digit determined by number of flashes of the yellow led and the second digit determined by number of flashes of the green led.

How do I reset the code on my furnace?

Though lockout mode errors and resets do vary from manufacturer to manufacturer, most use a simple reset procedure that involves turning power off to the furnace for thirty seconds or longer and turning it back. The interrupted power supply clears the lockout and will allow the unit to attempt normal operation again.

Why is my carrier furnace not turning on?

Furnace doesn’t turn on Check the thermostat to ensure it is getting power. Those that aren’t hardwired into your home use batteries that may need to be replaced. Check that the fan switch is turned to the “on” or “auto” setting. Check the circuit breaker to ensure the furnace is still getting power.

Where is the reset button on a limit switch?

Reset High Limit The High Limit Reset Button is located behind the gas valve.

How do you reset a furnace rollout?

Press and release the raised red button at the center of the flame roll-out switch to reset the furnace. You can press the reset button up to three times before troubleshooting the furnace’s internal components or calling for repair service; allow 30 minutes between each reset.

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Does my furnace have a reset button?

All furnaces are equipped with a reset button. They are generally red or yellow and are located inside the blower compartment. The reset button is a safety feature that will shut down the furnace when a problem is detected, often a hot or overheating furnace, before it trips the circuit breaker.

What does orange light on furnace mean?

If your furnace displays a flashing light or if a light that’s normally green changes to orange, yellow or red, it could indicate a problem with the flame, pressure or fuse.

What does a solid red light on my furnace mean?

When lit, this red light, also called a lockout light, indicates that a safety mechanism on your furnace has caused a shutdown because it has detected a problem or recognized a fault. If your furnace has a digital display that provides a fault code, you can easily check the fault code to diagnose the problem.

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