Question about Reliance Water Heater #6-30-DORT 30GAL Electric Water Heater

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The water gets too hot and trips the reset on the thermostat.

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Sean Lavelle

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Two possibilities. 1 failed upper or lower Tstat 2 Shorted element
To test element: disconnect both wires to element terminals. use continuity tester to see if there is continuity through element (one probe on each element terminal) If no continuity element is bad. Then test for continuity between each element terminal and the water heater itself.( one probe on element terminal and one probe grounded on bare metal or inner tank.) If there is continuity from terminal to ground, element is bad and also can cause tank to continue heating even when thermostat shuts off. This is because the thermostat only shuts off one pole of the 220 and a shorted element can continue heating from the 2nd pole.
If both elements test OK and water heater heats the full tank( tank feels hot at bottom element access panel when no hot water for 2 hours) most likely the lower thermostat is bad.

Posted on Jan 26, 2010

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1 Answer

Why is the reset on my electric hot water heater keeps tripping


Have you tried another breaker? Check the ground wire and natural. And make sure no water around any wires.

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Guessing that you have 240Volt residential non-simultaneous electric water heater? And that you have 30 amp breaker and 10 gauge wire. And that water heater is located within 100 feet of breaker box. And there are no leaks running hot water out of tank. And that you installed fully brand NEW elements of same wattage as old elements. And that fully brand new thermostats were installed, and wiring exactly duplicates wiring that was present before. And that factory-insulation was re-installed over elements and thermostats.

1) Guessing the 'hot water shut off' means the ECO red reset button located on upper thermostat keeps tripping and cutting off electric power to water heater?
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html
http://waterheatertimer.org/images/WH-w-combined2-1000.jpg
http://waterheatertimer.org/How-to-test-water-heater-wires.html

2) If the ECO is tripping, then water is getting too hot, or there is shorted wire located near the upper thermostat, .
Typically replacing both thermostats and replacing elements will solve this problem .... assuming that new thermostats and elements are good, and wiring correct.
Double-Check your wiring on upper and lower thermostats.
Test wires for short.
Make sure factory-insulation is re-installed over thermostats so cool room temperature will not affect temperature reading.
Check that thermostats sit flat against steel tank.
Many short draws hot water can also cause stacking event that will trip circuit breaker.

3) Add comment and say what you find using checklist above.
Be careful to explain findings fully, using same words found on links above, so illuminated diagnosis can be made.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Dec 28, 2012 | Water Heaters

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The water heater breaker keeps tripping and I have to reset it to get hot water. It continues to be a problem, what should I do?


Thermostat could be bad causing the breaker to trip due to it being shorted. It's either your breaker or the thermostat, more than likely the upper thermostat is bad.

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It has cold water comign out no hot


Hi,


Yes, the reset probably is tripped...push in the red button hard
Then turn it on and try it...

Check out this tip..

How to replace the Thermostat and Element for
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heatman101

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1 Answer

No hot water


Electric water heater can be repaired by homeowner.

Four things can cause NO hot water:
1) ECO red reset button tripped. Remove top cover on water heater, push red reset button on thermostat. Put insulation and cover back over thermostat.
2) Circuit breaker is tripped, circuit breaker bad, or wire loose in breaker box. Turn breaker on-off and listen for crackling or fizzing sound, and burned smell. Test breaker for 220Volts. Test top two screws on upper thermostat to see if water heater has electricity.
3) Bad upper thermostat. Replace upper thermostat.
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Replace thermostat and heater element get to hot have to reset


Your question is a bit hard to understand.
You need to replace elements and thermostats because water heater is tripping reset button.
Make sure you put factory insulation back in place after working on water heater, or the heater can overheat and trip reset button.

Here's how to replace electric water heater thermostats:
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

Here's how to replace water heater elements (except for Rheem bolt-in elements)
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html

If heater still has problems, add a comment

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Electric water heater out. Already replaced elements and breaker. Getting power to the unit but no hot water. What now?


Have you reset thermostat on the heater, it will be the top thermostat right above the element. It will have a red reset button to press to reset. They will trip causing the heater not to work till it's reset or replaced due to thermostat gone bad. Chances are you may only have to reset it.

Please go to link below with to get some very helpful information on these topic's. If you replaced everything but the thermostat or reset it that's all left to hold out power to water heater. The thermostat is a safety device to protect the home owner. You may have had a element short out to trip it.
It will take 30 to 45 minutes to start to produce hot water after power comes back on.

http://www.water-heater-repair-guide.com/electricwaterheatertroubleshooting.html

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1-First check for power to water heater and remove acces panels on heater to check power at thermostats. Thermostats have a reset button on them that trip and can be pressed to reset.

2- If none of the above have changed any thing and you have power you may have elements gone bad.

If an element is gone at top you will get scalding hot water then go to cold.

If an element on the bottom is gone you will get luke warm water then will get cold.

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My hot water will not get hot at all. Model SE40M12AA01 Stop getting hot over night. Breaker to heater was tripped, I reset it and still no hot water.


Your upper thermostat on the hot water tank may be shorting out causing your breaker to trip. Remove the outer panel door on the side of the hot water tank and test for power going to the elements. Also check for water as the tank may be leaking and causing the short

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