Remove the access panel insulation and plastic safety guard from each heating element on the water heater.
Troubleshooting thermostat electric water heater.
You cannot inspect a thermostat with the power turned off.
Test the wires to confirm the power is off using a non contact voltage tester.
How to troubleshoot the water heater electric thermostats preparing for a water heater thermostat test.
Begin by turning the breaker inside the breaker panel of water heater off.
Remember a few things before you try to troubleshoot a thermostat.
A water heater repair will be unnecessary if there s another reason why.
You will see the electric wiring that handles the water heater.
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.
Check the heat setting on both.
Locate the screws that hold the electric access panel to the water heater.
A thermostat continuity test.