Locate the screws that hold the electric access panel to the water heater.
Troubleshooting thermostat electric water heater.
How to troubleshoot the water heater electric thermostats preparing for a water heater thermostat test.
Remove the access panel insulation and plastic safety guard from each heating element on the water heater.
Test the wires to confirm the power is off using a non contact voltage tester.
You cannot inspect a thermostat with the power turned off.
Check the heat setting on both.
When you check different components of an electric water heater you do so after turning off the power.
Turn off the power to the water heater in the service panel.
A continuity test will tell you if the thermostat circuit is open which means you need.
You will see the electric wiring that handles the water heater.
Begin by turning the breaker inside the breaker panel of water heater off.
Remember a few things before you try to troubleshoot a thermostat.
The water heater may not heat the water at all it may heat mildly or it may heat too much.