Goodman Furnace Open High Limit
Goodman Furnace Open High Limit
Goodman furnaces are reliable, efficient and cost-effective heating systems that provide a comfortable environment for you and your family. But like all furnaces, they need regular maintenance to keep running at peak performance. One of the most common problems with Goodman furnaces is that the high limit may become open, causing the furnace to shut down. In this article, we’ll discuss why the high limit may open, how to prevent it from happening and how to resolve the issue should it occur.
Understanding What Causes Goodman Furnace Open High Limit
When the high limit switch opens on a Goodman furnace, it’s usually because of a buildup of dust, dirt or debris in the heat exchanger. This can cause the furnace to overheat and trip the high limit switch, shutting down the furnace. It can also be caused by a faulty high limit switch, which may need to be replaced.
How to Prevent Goodman Furnace Open High Limit
A surefire way to prevent the high limit switch from opening on a Goodman furnace is to schedule regular furnace maintenance. During a maintenance visit, a technician will inspect the heat exchanger and clean it if necessary. They’ll also make sure that the high limit switch is functioning correctly. This will help keep the furnace running smoothly and prevent the high limit from opening.
What to Do When Goodman Furnace Open High Limit
If the high limit switch does open, the first step is to shut off the furnace and allow it to cool down. Once the furnace has cooled, the technician should check the heat exchanger for any debris. If debris is found, it should be removed and the furnace should be restarted. If the high limit switch is faulty, it should be replaced. It’s also important to make sure the furnace is not undersized for the space it’s heating.
Signs That Goodman Furnace Open High Limit Is Imminent
If the high limit switch is starting to fail, it’s possible that you’ll experience some warning signs before it opens. These signs may include uneven heating, loud noises coming from the furnace, or the furnace cycling on and off frequently. If you experience any of these signs, it’s important to schedule a maintenance visit as soon as possible.
Things to Avoid When Goodman Furnace Open High Limit
When the high limit switch opens on a Goodman furnace, it’s important to avoid doing any repairs yourself. Trying to repair a furnace can be dangerous and can lead to further damage to the furnace. It’s best to call a professional furnace technician to diagnose and repair the problem.
Conclusion
Goodman furnaces are reliable and efficient, but like all furnaces, they require regular maintenance. If the high limit switch opens on a Goodman furnace, it’s usually because of a buildup of dust, dirt, or debris in the heat exchanger. To prevent this from happening, regular maintenance visits should be scheduled. If the high limit does open, it’s important to shut off the furnace and allow it to cool down before attempting any repairs. It’s also important to call a professional furnace technician to diagnose and repair the issue.
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