Electric Water Heater Thermostat Troubleshooting

The most common reason for absolutely no hot water is that the circuit breaker has tripped and you should first check the breaker box.

Electric water heater thermostat troubleshooting.

As you will need to get your fingers into the area occupied by hot electricity. Sometimes merely resetting this bottom will cause the heater to begin working again. The reading should be between 110 and 120 volts. The water heater thermostat has a dial indicator that allows you to control the temperature of the water.

Water in an electric water heater is heated by two heating elements in most cases. Turn off the power at the breaker panel. You would get a shock. Turn off the power to the water heater in the service panel.

Troubleshooting the thermostats and heating elements the first step in troubleshooting a hot water heater is to gain access to the areas to be tested. The meter should read somewhere between 220 and 240 volts. However the dial indicator. Hence make sure you don t touch any exposed element or powered component of the electric water heater.

See testing electric water heater elements for more information. A thermostat problem is fairly unusual though it s much more likely that a burned out heating element is causing problems. To check the thermostat settings. If that s not the cause then the heating elements may have failed and need replacement.

Testing is the only option if you want to determine whether or not one or both of them has failed. Water heater no hot water heater trips circuit breaker hot water runs out water only warm thermostat reset button popped no power. When you check different components of an electric water heater you do so after turning off the power. Electric water heater thermostats are a fairly simple devices that can fail from time to time.

If you re experiencing this problem it s possible that one or both of your water heater s thermostats is set too high. You cannot inspect a thermostat with the power turned off. To test the lower thermostat turn the top one to its lowest setting and the lower one to its highest setting. Easily identify the c.

If the thermostats are okay you need to test the water heater elements. Touch one meter lead to the top screw and the other lead to the metal body of the water heater.