How to Troubleshoot Electric Water Heater Problems
Electric water heaters are a common feature in many homes and most function well with little difficulty. Over time, however, issues may arise that require resolution. When there are problems with an electric water heater, take notes to properly troubleshoot the issues. Is the heater making high-pitched or low sounds? Is it leaking? Is there a smell to the water or is the water slightly colored? Once you have identified the problem, troubleshooting the electric water heater should resolve any difficulties. Does this Spark an idea?
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Instructions
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Drain the water heater if the water seems dirty, smelly or the water heater is making excessive noise. Close the cold water valve and turn the hot water on in the sink closest to the water heater. Place a hose in the water heater outlet valve, which is located at the bottom of the water heater. Put the other end of the hose in a sink or empty container and open the drain valve. Allow it to drain fully, which typically takes around 2 to 3 hours. Remove the hose when empty. Open the cold water inlet and run cold water into the valve.
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Check the temperature-pressure relief valve, which can affect the water pressure in the boiler and also may cause the water temperature to be excessively hot. Lower the lever on the valve and make sure water drains from the overflow pipe. Replace the pressure release valve if necessary. If the water in the boiler sounds like it is boiling, call a service technician.
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Let the hot water run for 2 to 3 minutes to flush if the water smells bad. If the water continues to smell like rotten eggs, the water heater likely needs a new anode rod. If the cold water smells, the source water may be the issue. Consider installing a whole-house water filter or water softener to remove minerals and other elements from the water.
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Check for possible obstructions in the vent if the water heater is leaking and tighten the drain valve. The heating element gasket also may need to be replaced if the leak is coming from the gasket. Another possible source is a pipe leak or the temperature pressure relief valve. Tighten the valve or pipe if possible.
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Tips & Warnings
Always turn off the hot water heater and unplug before performing any maintenance. Contact an authorized service technician if the problems continue.
