![]() ![]() Are the wires connected to the right terminals? Do they attach firmly to the terminals? These are some of the questions to ask. If both are fine, follow the wires from the thermostat to the control board in the heating system. In most cases, it’s a red and white wire. Begin by checking that the two wires connecting it to the rest of the heating system are firmly attached. If both switches are functioning appropriately, it’s time to check the thermostat. Thermostat switches are found on the thermostat, while the limit switch is a manual push-pull switch located at the limit control in the air handler. These are the thermostat switch and the limit switch. The thermostat has malfunctionedįor furnaces, begin by checking the two switches that may cause the blower fan to run continuously even if the furnace is not heating air. If it goes off, then it’s a thermostat setting problem. Alternatively, set it to the COOL mode or locate the speed settings and set the thermostat to the lowest heat setting. This usually turns off the heater right away. Solution : See if you can find the OFF button. For instance, if you’re used to switching to the COOL setting but can’t find it on the new heater, you might try to select the FAN setting or another option that doesn’t necessarily turn off the heater. It can be confusing if you’re used to a different set of controls but have to use an entirely new set of controls. Instead, you may be required to turn the temperature knob to the lowest setting. Some may also not have a specific OFF setting. However, others, especially those without a COOL setting, may only have an AUTO and FAN setting. Many thermostats have either Heat, OFF, and Cool settings or Fan, Auto, and OFF settings. The confusion often arises when you can’t interpret the thermostat settings correctly. Maybe you think you’ve switched it off, but it’s indeed on. In most cases, you’ll find that your heater isn’t going off because the thermostat is set incorrectly. 4 Reasons Why your Heating Still ON When Thermostat Is OFFĮxperts have identified four reasons why your heater may refuse to go off even when you turn off the thermostat 1. ![]() A “rogue” heater that refuses to go off could easily have the same consequence. According to the National Fire Protection Agency, local fire departments respond to about 48,500 fires involving heating appliances every year. Risk of fireįinally, you can never discount the risk of fire. Overheating in the motor and fan can cause some parts to malfunction within a few hours. It means that if the heater refuses to turn off, wear and tear is accelerated. Every second spent on the road leads to wear further and tear. Heating appliances experience wear and tear just as other human-made machines and appliances. ![]() If the heater doesn’t turn off even after the thermostat is turned off, you could have a very high bill. If the first three factors are kept constant, the power bill will primarily depend on how long the heater runs. Your heating power bill depends on three main factors, i.e., the appliance’s power rating, power prices in your area, and how long you run the heater. However, if the heater continues running even after the desired temperature is achieved, you may soon have indoor temperatures at 80˚F or higher, which is uncomfortable and unhealthy. ![]() Usually, you want the home around 68˚F in winter. The first main concern is that if heating continues even when you switch it off at the thermostat, you may have to overheat in the home. Why You Should Be Concernedįirst off, it’s important to discuss why heating remaining on even when the thermostat is off should be a concern. However, it may also be something completely unrelated to the thermostat. Alternatively, it could a malfunctioned thermostat. A wrong thermostat setting could leave the heater running even after you switch the thermostat. In most cases, the problem is usually the thermostat. Nevertheless, it happens and can cause significant discomfort. It can be a strange experience when you turn off the thermostat, but the heater refuses to go off. ![]()
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