To get the best heating repair in Los Angeles, call us at (818) 240-1737. We can assist you in getting a better deal for your heating contractors in Los Angeles. If you have an older unit in your house, overheating concerns may occur in a shorter period of time. Dirty filters, a caked sensor rod, dirty blowers, and a defective pilot light are all causes of overheating, resulting in the high limit switch triggering frequently. Overheating is frequent in older HVAC systems and those that aren’t serviced regularly. The furnace’s capacity to perceive when it should run is hampered by dirty or clogged air passageways, leading to problems with the high limit switch. Short cycling, or a quick change in temperature between heating and cooling cycles, can cause the heat limit switch (HLS) to trip sooner than planned. If the limit switch detects that something is amiss with the furnace, it will shut it down. As a result, restricted airflow causes unpredictable tripping and the opening of your furnace’s high limit switch. The following are the reasons why the furnace’s limit switch keeps tripping: 1.
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For this purpose, you can contact a professional or a company that deals in heating repair in Los Angeles.Ī dirty air filter might contribute to an overheated furnace. If your HVAC system hasn’t been serviced in more than two years, the HLS tripping issues are probably caused by a dirty flame sensor rod that’s been clogged with dirt, soot, and even dust. As a result, unpredictable responses and frequent tripping are common. If the sensor becomes dirty, it may be unable to detect the temperature of the air moving through the furnace. The outcome is rapid overheating and cooling, causing the high limit switch to close and open at extremely short intervals, resulting in tripping.Ī metal rod that regulates the draft in gas furnaces is known as the flame sensor rod. This is most common with furnaces that are larger than what is required for a home. Short-cycling happens when the air ducts accumulate too much or too little heat during each cycle. Short cycling, or a quick change in temperature between heating and cooling cycles, can cause the heat limit switch (HLS) to trip sooner than planned, disrupting your home’s living temperature.
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The following are the reasons why the furnace’s limit switch keeps tripping: Tripping is frequently caused by one of three factors: an inadequate furnace filter, defective wiring or installation, or a lack of airflow into the furnace. What is Causing the High Limit Switch on the Furnace to keep Tripping?Ī furnace’s limit switch is a safety feature, but unpredictable behavior could indicate that part of the furnace’s components is malfunctioning. A furnace limit switch that frequently trips is one of the most prevalent problems that homeowners face.įor replacing the furnace limit switch, you can contact any company that provides heating contractors in Los Angeles.
When components fail, the system can become less efficient or stop working altogether. In order to make your house warm, numerous parts in your furnace must work properly.