![]() Electric Motors Using an Automatic Thermal Reset Switch - no reset button found Sometimes theseīuttons are hard to find but they are usually present on heating and air conditioning system electric motors for fans and blowers. You can see that in this picture the button is flush with the motor surface. What the Reset Button Looks Like When it has Not Tripped Sometimes the reset button is present but hard to find, depending on the position in which the motor was bolted in place. Switch won't reset (stay depressed) either the motor is still too hot (wait) or there is another failure that needs diagnosis. When the air conditioner fan or blower motor has cooled sufficiently this button can usually be simply pressed back down to "reset" the switch. When and How to Reset the Electric Motor on a Heating Blower, Air Conditioner Blower, or Water Pump Especially if the motor's internal protection has tripped, it should be easy to feel the button since it'll be sticking Rotated the motor so that the button is facing away from you and impossible to see, feel around on the bottom and back side of the motor for On the blower motor itself, look for a red or yellowīutton which is normally flat with the motor surface but which will pop up to show that the motor has been shut off by its internal overload protection For example on a warm air heating system or central air conditioning system look in the air handler/blower compartment. Tips for Finding the Motor Reset Buttonįind the electric motor that operates the device that has been shut down. Photo shows the red reset button most clearly. Sometimes the reset button on an electric motor is hard to find, and sometimes there is no reset button!. The page top photo was taken of of an oil burner electric motor not an air conditioning blower fan motor or pump motor, but you'll see that all of these electric motors look a lot alike. If the motor turns off again on re-set you should not keep running it as it may be damaged and the system may be unsafe. Once the motor has cooled sufficiently it can be re-started, usually by pushing the popped-out reset switch back down. If the motor is overloaded or if it overheats, this button will pop "out" indicating that an internal electric safety device has tripped,shutting the motor off. Article Contents:Įlectric motor overload reset buttons - how to find and reset motor overload switchesĪn electric motor used in lots of equipment may include overload reset button on the motor body. Some Electric Motors Include an Automatic Thermal Reset Switch: how to reset the motor switch on water pumps and well pumps - cool-down period. ![]() Electric motor troubleshooting guide for electric motors that overheat. How to find and reset the thermal overload switch found on many electric motors. How to Find and Reset a Heating System or Air Conditioning Electric Motor We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. We include tips for diagnosing electric motors that keep having thermal overload symptoms. And we describe what can go wrong with automatic thermal overload switches on electric motors. We explain about automatic thermal overload switches on motors - switches that reset themselves when the motor cools down. We describe where to find reset switch on most electric motors. This article describes how to find and reset the thermal overload button on an electric motor and we give suggestions for repairing hard-starting or non-starting electric motors such as on air conditioning condenser fans and blower fans. ![]() We have no relationship with advertisers, products, or services discussed at this website.Įlectric motor thermal overload switch guide: InspectAPedia tolerates no conflicts of interest. ![]()
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