The reading on the multimeter should be zero.
Test heating element hot water heater.
A multimeter is a tool used to measure electrical.
Wait for the.
Take 1 of the wires off of a water heater element.
The element is bad and must be replaced if the needle on the face of the multimeter moves.
If you want to test a thermostat on an electric water heater you will also need to check the heating element.
How to check a heating element in a water heater.
Testing a water heater heating element 1.
This is a very critical step in testing the water element.
Set your multimeter to the lowest setting for ohms of resistance.
Touch one probe of the multimeter to each terminal on the lower thermostat.
1 turn off the circuit breaker supplying power to the hot water heater.
All the tests that you.
Locate the water valve at the bottom of the water heater.
Use the screwdriver to set the lower thermostat to the highest setting.
Locate the circuit breaker at the central electric panel that connects your water heater.
Disconnect from the power source.
Drain the water from the water heater.
Testing hot water heater elements is an easy project that even a beginner can master in a few minutes.
Attach a garden hose.
Turn off the breaker switch to the hot water heater at the breaker box.
Using the multimeter 1.
To look for faults you will need to use a screwdriver.
It is usually situated in the metal box attached to the wall.
Determine which of the two heating elements in your water heater could be the problem by turning on the water at the faucet and feeling.
Disconnect the water heater from power source.
Leave the upper thermostat in the lowest setting and test the lower thermostat.
This is important especially as open and grounded heating elements result in inaccurate tests.
If the heater is an.
If it does not have a.
Hold the multimeter prongs to the.
Place the remaining probe against the metal base attached to the element where it enters the water heater.
Before you start the process of testing the hot water heater heating element you must switch off the flow of electricity by turning off the breaker inside your main electrical panel.
If it has a disconnectable plug unplug it.