You cannot inspect a thermostat with the power turned off.
Troubleshooting thermostat electric water heater.
A water heater repair will be unnecessary if there s another reason why.
Next remove the screws and open the panel.
A thermostat continuity test.
Turn off the power to the water heater in the service panel.
The water heater may not heat the water at all it may heat mildly or it may heat too much.
Test the wires to confirm the power is off using a non contact voltage tester.
Locate the screws that hold the electric access panel to the water heater.
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.
Check the heat setting on both.
Remember a few things before you try to troubleshoot a thermostat.
You will see the electric wiring that handles the water heater.