R = (V x V) / P [Where V is the voltage powering the element, P is the power the element uses and R is the resistance. ] (An example calculation is shown in the tips section)

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<br />\n</p></div>"}If the reading is the same or very close to that of the calculated value, then the element is OK and the fault lies elsewhere. {“smallUrl”:“https://www. wikihow. com/images/thumb/7/74/Test-a-Heating-Element-Step-8-Version-2. jpg/v4-460px-Test-a-Heating-Element-Step-8-Version-2. jpg”,“bigUrl”:"/images/thumb/7/74/Test-a-Heating-Element-Step-8-Version-2. jpg/aid241792-v4-728px-Test-a-Heating-Element-Step-8-Version-2. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

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<br />\n</p></div>"}If the reading is a lot higher than the calculated value, the element is failing and won’t be heating fully. {“smallUrl”:“https://www. wikihow. com/images/thumb/5/59/Test-a-Heating-Element-Step-9-Version-2. jpg/v4-460px-Test-a-Heating-Element-Step-9-Version-2. jpg”,“bigUrl”:"/images/thumb/5/59/Test-a-Heating-Element-Step-9-Version-2. jpg/aid241792-v4-728px-Test-a-Heating-Element-Step-9-Version-2. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

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\n</p>

<br />\n</p></div>"}If the reading is a lot lower than the calculated value the element, it is failing and will be heating too much or not at all if part of the element has shorted or exploded.

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<br />\n</p></div>"} Disconnect the water heater from power source. [3] X Research source If it has a disconnectable plug, unplug it. If it does not have a plug, disconnect power by turning off the power breaker or removing the fuse.