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How do you test a 240 volt electric baseboard heater element The ones we have are over 30 years old and seem to not be heating as well Do they wear out over time and what is a good ohm reading?
Wiki User
∙ 14y ago
I installed a lot of electric baseboard heating back in Colorado 30 years ago and have been a commercial sparky for 33 years. Yes, the elements absolutely do wear out. I'm amazed you got 30 years out of them. The metal magnetizes and develops a higher resistance over time. The net result of this is there is a voltage drop across the element. Therefore, they draw more and more current, (amps) in an attempt to draw their full power requirement. (V x A). The net result of this is they are using more and more electricity and producing less heat. The currect ohm measurement of the element when it was new depends on the length of the heater and element. Only the manufacturer will have the original specs, but chances are if they're not heating properly, they are worn out. Know that electrical resistance heat is the most expensive form of heat on the planet, even when they're new! I highly recommend you look into other forms of heat. Natural gas and propane are far more efficient and less expensive.
Wiki User
∙ 14y ago
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How do you check to see which element is bad in a hot water heater with an ohms meter?
To test and replace a heating element: # Turn off power at the Electrical Service Panel and post a sign warning others not to turn it on. # Remove the access panel on the electric water heater. # Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity (open circuit), replace the element. # If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all (closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner. # To remove the element, first drain the heater. # Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element. # Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
What is wrong with your electric dryer that will not get hot?
You probably need a new heating element. Fortunately, they aren't that expensive. <<>> Check and make sure that the lint trap is clean. There are over temperature thermal trips at strategic points in the dryer. These are self resetting when the temperature inside the unit cools down. If you have a continuity tester or an ohm meter, unplug the dryer. Take the back off and look for the electric element. Remove one wire from the element terminal and see if there is continuity through the element. If there is no reading its time to buy a new one. If there is continuity leave the dryer all stripped apart and call an appliance repairman. Explain what you tested and found and would like to finish the job yourself. Get them to find the open circuit and tell them that you will close the machine up.
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Dogs.
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How do you check to see which element is bad in a hot water heater with an ohms meter?
To test and replace a heating element: # Turn off power at the Electrical Service Panel and post a sign warning others not to turn it on. # Remove the access panel on the electric water heater. # Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity (open circuit), replace the element. # If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all (closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner. # To remove the element, first drain the heater. # Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element. # Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
What is wrong with your electric dryer that will not get hot?
You probably need a new heating element. Fortunately, they aren't that expensive. <<>> Check and make sure that the lint trap is clean. There are over temperature thermal trips at strategic points in the dryer. These are self resetting when the temperature inside the unit cools down. If you have a continuity tester or an ohm meter, unplug the dryer. Take the back off and look for the electric element. Remove one wire from the element terminal and see if there is continuity through the element. If there is no reading its time to buy a new one. If there is continuity leave the dryer all stripped apart and call an appliance repairman. Explain what you tested and found and would like to finish the job yourself. Get them to find the open circuit and tell them that you will close the machine up.
What are the problems relating the electric meter reading?
Dogs.
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