TM012 Rheem Electric Water Heaters Service Instructions REV: B
Date of Issue: 03/06
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18
Component Tests 10 - 12
Test 10
Ensure power is isolated before
conducting test
Using a multimeter on the x1 resistance
scale, measure between terminals 3L and
4L of the upper thermostat.
The reading should be less than 1 ohm.
Test 11
Ensure power is isolated before
conducting test
Using a multimeter on the x1 resistance
scale, measure between terminals 1L and
2T of the upper thermostat.
If the reading is less than 1 ohm the neutral
to the top element is closed.
Test 12
Ensure power is isolated before
conducting test
Using a multimeter on the x1 resistance
scale, measure between terminals 1L and
4T of the upper thermostat.
If the reading is less than 1 ohm the neutral
to the bottom element is closed.
