Question about Stiebel Eltron DHC-E 8 Tankless Electric Water Heater

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The water heater suddenly stopped working. The power light isn't on. Also, I tried switching the breakers off and on and that did not help.

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The most likely cause is the heating element is bad. check the elements.

Posted on Aug 06, 2010


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I need help. My water heater all of a sudden stopped heating after an extension cord had shorted in the next room over. So could the problem be the breaker or the reset button which is stuck?

Check the breaker first and confirm that power is being delivered to unit. Then if power is confirmed, try the reset and make sure that power is now getting to the heating coils. If necessary, you can always jump the reset switch if it stays stuck.

Aug 26, 2015 | Water Water Heaters

1 Answer

Water heater is kicking switch in upper unit

typically when the upper braker pops in an electric water heater, it is an indication that the upper element has been breached, allowing water into it and shorting out the unit. the breaker prevents electrical disaster.

turn off the power to the unit via the breaker box, remove one power lead from the upper element, and with a multimeter, make a resistance check. Should read somewhere close to 14 ohms. If you get a significantly higher reading or significantly lower reading, the element is bad and needs to be replaced.

To replace the element you will need a socket wrench that fits the element. prepare your replacement assembly by seating the seal to the base of the element. Ensure the power is off, remove the second wire from the element, shut off the water supply valve, check that the pressure is off by turning on a hot water faucet near the unit and shut it off when the water stops running.

Be prepared to move quickly as water will come from the heater when you remove the old element, but not so much if you are ready for it. I typically lose less than 2 cups of water changing elements. Unscrew the old element pull it out and immediately insert and begin threading the replacement. tighten it until no water can be seen seeping past the seal.

SLOWLY open the water supply valve, sudden pressurization can cause other plumbing issues. When you hear the water stop running, check your new element for water seepage, tighten if necessary. Dry the area and reconnect the wires to the element.

now reset the power breaker. Some noise is to be expected as the elements heat the water to normal operating temperature, run a nearby faucet, hot side, to purge and air from the system.

You should be good to go.

REMEMBER: Power off FIRST, then water... do repairs... water on...SLOWLY.... Power on LAST. Stay safe out there

Mar 04, 2015 | Water Water Heaters

1 Answer

No power to unit

Copy following link for tankless troubleshoot resources:
Tankless are not protected from surge, but there is a 3-5 amp glass fuse located on circuit board.
Check outlet with circuit analyzer, and multimeter

Apr 28, 2013 | Rheem RTG-95DVLP Low Nox Direct Vent...

1 Answer

Have a reliance electric water heater model 606; have no hot water. I am having a problem finding the reset switch.

If it was working and recently stopped working, the heating element that heats the water probably went bad, no longer functioning. Check to make sure that there is or is not a reset button, and if there is, press and reset the heater. It's not difficult to remove the old heater element and replace it, but make sure the circuit breaker power to the water heater is off when you remove it. Take it to a water heating supply store, or large hardware store with the Brand and model number of your water heater (Reliance RELIANCE ELECTRIC WATER HEATER,model 606 ) to buy another one.


1 Answer

Electric Water heater not heating all of sudden

If you have tankless, then open following link before calling service technician.

If you have ordinary tank-type electric water heater, then reset button is probably tripped out, or circuit breaker is not delivering power to heater.
Reset circuit breaker, then open cover located on side of tank and push in ECO red reset button.

If you have boiler or indirect heater or solar heater or faucet-type heater, I would need more information, and might not be able to provide best answer.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 20, 2011 | Rheem Water Heaters

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I have a model 71-408 B which just stop heating

If I understand correctly, you have electric water heater.
Heater suddenly stopped heating.

Four things cause sudden loss of water heater.
1) Reset button located under the top cover is tripped > turn off power, remove cover, press reset button > if reset keeps tripping, go to the troubleshooting link shown below.
2) Electric power to heater is interrupted > check circuit breaker > test for voltage > look for loose wire on breaker
3) Upper element burned out > test and replace element
4) Upper thermostat bad > replace upper thermostat

Reset button is best suspect.
Here is a link for complete troubleshoot and homeowner repair of electric water heater:

Nov 19, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Suddenly stopped heating water

Check the top thermostat2_bing.gif... right above it is a red button that you will have push hard on to reset...
If all that checks out then you have a bad top element...replace that...


Apr 12, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

No hot water just quit suddenly

First, of course, check your breaker in the breaker box. You will need to check to see if the heater is getting power before checking the element(s). Elements go out suddenly, so this could be your problem if you have a smaller one-element heater. Have it checked. Good luck.

Nov 30, 2009 | Reliance Water Heaters

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