How do I check the thermostat on my electric water heater?

Test the lower portion of the thermostat, by touching one lead to the common terminal (next to the temperature setting) and the second lead to the left heating element terminal. If the water in the tank is below the thermostat’s set temperature, the multimeter should read close to zero ohms of resistance.

How do you reset an electric water heater thermostat?

Somewhere on your electric water heater, you’ll find a reset button. It’s usually red and often located near the thermostat. It may also be hidden behind a removable metal panel on the unit—and then behind some insulation. Once you find the button, push and release it.

Why is my hot water thermostat not working?

If an electric water heater is not producing hot water, it could be a simple problem like a blown fuse or tripped circuit breaker. Additionally, some electric water heaters have a circuit-style safety switch located near or on the thermostat.

How can you tell if your thermostat is bad?

7 Ways to Tell Your Thermostat Is Broken

1. Thermostat Has No Power.
2. AC or Furnace Won’t Turn On.
3. Heater or AC Won’t Turn Off.
4. Thermostat Doesn’t Match Room Temperature.
5. Thermostat Doesn’t Respond.
6. Short Cycling.
7. Thermostat Forgets Programmed Settings.
8. Thermostat Replacement Services.

Why does my electric water heater keep needing to be reset?

If your water heater reset button keeps tripping, one of your heating elements may be broken or worn out. As this component is used to heat water, your hot water heater won’t work without it. When the reset button on a water heater thermostat keeps tripping, the metal casing of the heating element may have cracks.

How do you know if your thermostat is faulty?

7 Ways to Tell Your Thermostat Is Broken

1. Thermostat Has No Power.
2. AC or Furnace Won’t Turn On.
3. Heater or AC Won’t Turn Off.
4. Thermostat Doesn’t Match Room Temperature.
5. Thermostat Doesn’t Respond.
6. Short Cycling.
7. Thermostat Forgets Programmed Settings.

Do electronic thermostats go bad?

Still, you can generally expect your thermostat to last at least 10 years. After a decade, thermostats may start malfunctioning. The thermostat’s wiring starts to age, dust accumulates within the system, and the parts begin to wear down. Alternatively, you may just be ready for an upgraded thermostat!