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E l ement Test (Continuity Tester)
I. Preparing for the Test
1. Press the power button on the User Interface
Module (UIM).
2. Turn off power to the water heater at the breaker
or disconnect switch serving the water heater.
3. Verify there is no power at the incoming power
connections to the water heater with an AC Volt
meter.
4. Remove the cover panel(s), then move the
insulation away from the element. Do not
damage the insulation.
5. Remove the thermostat cover(s).
6. Disconnect the wires from the element terminals.
IIA. Testing for a Burned Out Element
1. Complete Preparing for the Test before you
proceed.
2. Place one test probe on each of the element
terminals.
3. If there is no continuity, replace the element
(p. 24). If there is continuity, proceed to Testing for
a Grounded Element.
IIB. Testing for a Grounded Element
1. Complete Preparing for the Test before you
proceed.
2. Check for continuity as follows:
A. Place a test probe on one of the element
terminals and the other test probe on the
element fl ange or tank shell. Ensure a good
ground connection.
B. Repeat the test for the other element terminal.
C. If either test shows continuity, the element is
defective and should be replaced (p. 24).
D. Proceed to Completing the Test.
III. Completing the Test
1. Replace the element(s) if necessary (p. 24).
2. Reconnect the terminal wires.
3. Reinstall the thermostat cover(s), put the
insulation back in place, then reinstall the cover
panel(s).
4. Make sure that the tank is full of water before
reconnecting power.
A. Open a hot water faucet.
B. Once water fl ows smoothly from the hot water
side of the faucet, all air has been purged from
the tank and it is safe to energize the elements.
C. Reconnect power to the water heater.
Figure 12