Question about Whirlpool Dishwasher Water Heater Thermostat Control - 303282

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Powerpoint tw23 dishwasher does not heat water and I think the cycle is getting stuck because of this. Checked the element at the bottom and there is a current running through it.

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Posted on Jan 02, 2017

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SOURCE: powerpoint tw23 dishwasher heater working but no

I have the same model with the same problem. I think you will find that there are two temperature sensors which are located under the heater. (one at the bend and the other further along the heater. The one at the heater bend ie at the back right hand corner of the washer will be the problem. It is a non-resetting switch which trips out at 90c. To change it you need to remove the small metal panel at the back. You may need to remove screws holding the casing together to achieve this. ( Dont forget to switch the power off & remove lower tray)
Remove the wires from the two spade terminals. Put a multimeter across the terminals. If it is duff there will be no change in the meter reading.(If good the meter will read 0 - short cct.)
The thermostat unscrews from the housing - be careful because the housing might loosen instead and then you will have to put that back in . Pop in the replacement and refit the wires. Reassemble & test.

Parts for Powerpoint available from

Service Department
Shomar Limited Unit 9 Western Industrial Estate Dublin 12
Ireland

Posted on Feb 28, 2011

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2 Answers

Water Heater Issues


An electric water heater contains two elements (usually upper and lower). Normally hot water is maintained at a certain temperature to assure an immediate supply. When hot water is turned on at the fixture, the second element is turned on to boost the temperature. From your description one of the heating elements may be defective or set to incorrect temperature.

Apr 28, 2017 | Water Heaters

1 Answer

Water is not getting hot


1) Copy following link for detailed troubleshoot resources:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

2) How are you testing a 240Volt water heater and getting 12.5? Or 60?

Dec 15, 2012 | Whirlpool Water Heaters

1 Answer

No hot water, checked ohms on both heat elements,top is 13.8 bottom is 13.4. i have 122volts to both elements and i played around with the heat adjustment on both top and bottom. over time could rusty well...


Marathon elements are specific to that water heater and can be ordered online, but generally are not at the local hardware.
Good to keep a couple spares around.
Marathon is 240Volt water heater.
Thermostats turn off one leg of the 240Volt circuit, so elements and themostats will always test for 120volts.
You removed wires off elements and tested each for continuity and tests showed elements to be good.
Test top two screws of upper thermostat and make sure you are getting 240V to the water heater.

If water heater has some hot water, then that says water heater is getting 240V, upper element is good, and remaining suspects are bad thermostats, bad lower element, or sediment build-up, or combination.

Open following link for troubleshoot run-down:
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html

Water well.
If you have sediment build-up that reaches lower element, then water does not circulate around the element and water heater no longer heats very fast or accurately. If sediment is the problem, sooner or later the lower element will burn out.
Doesn't hurt to flush out the tank now and then, and vacuum out the sediment if that is problem.
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

Jul 10, 2011 | Rheem MR105245 Marathon Electric Water...

1 Answer

Powerpoint tw23 dishwasher heater working but no heat


I have the same model with the same problem. I think you will find that there are two temperature sensors which are located under the heater. (one at the bend and the other further along the heater. The one at the heater bend ie at the back right hand corner of the washer will be the problem. It is a non-resetting switch which trips out at 90c. To change it you need to remove the small metal panel at the back. You may need to remove screws holding the casing together to achieve this. ( Dont forget to switch the power off & remove lower tray)
Remove the wires from the two spade terminals. Put a multimeter across the terminals. If it is duff there will be no change in the meter reading.(If good the meter will read 0 - short cct.)
The thermostat unscrews from the housing - be careful because the housing might loosen instead and then you will have to put that back in . Pop in the replacement and refit the wires. Reassemble & test.

Parts for Powerpoint available from

Service Department
Shomar Limited Unit 9 Western Industrial Estate Dublin 12
Ireland

Feb 15, 2011 | Whirlpool Dishwasher Water Heater...

1 Answer

Water does not get hot in dishwasher and the dishes are not dry at end of cycle


your heating element might be burned out.

a local appliance house may stock what you need or order it for you. they might even explain how to replace it

Aug 04, 2010 | Whirlpool Dishwasher Water Heater...

2 Answers

I have a Rheem 81v52dt 50 Gal Elec heater. I can not get enough hot water to fill a tub.I have turned both thermostats all the way up. I have checked both elements with an ohm meter. I got a 220 reading on...


There should be a flip flop circuit in your heater that switches between the two heaters. I don't think they both heat at the same time. Check the rating on the indivitual heat element then compare that with the data printed on the heater RE: maximum WATT rating.

Now then, what did you miss - I'm thinking you missed the ohm reading. You measured 220 Volts but you did not check to see if the element is burned out or not. Move your meter to OHM and take a measurement with the power turned off. If the reading is "open" the element is buned out. If you get some reading beside 'open' the element is probably able to carry current.

Have you drained the sediment from your heater recently?

All the way up is a dangerous setting by the way. I suspect you know this.

Thanks for your interest in FixYa.com

Feb 19, 2010 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

The heat control valve appears to have stuck, the water is only luke warm


I do not know what heat control valve you are referring to on an electric water heater. On an electric water heater it has two heating elements in most cases. One at the top and one on the bottom. One of these is more than likely defective. Turn the power to the water heater off at the service panel or at a disconnect switch. Now take the covers off both heating elements. Check each one with a ohm meter to see if you have continuity. If your meter reads nothing that heating element is bad and needs replacing. On each heating element is a thermostat to set the temperature. Set the upper element to 120 degrees and the lower element to 130 degrees.

Jan 05, 2010 | Rheem 80 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

My rheem water heater doesn't seem to be heating the water. I have a Rheem model 81SV40D and the water is not hot and doesn't seem to get hot. I have checked the dials on the water heater and they are set...


try setting the bottom 10 degrees hoter than the top could be in short cycle (thatis the bottom calls for heat on the bottom element and set too close so goes back to top and cycles off

Jan 04, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Top element only working


How they work. First you need to know that cold water goes into the tank near the bottom (because of the "dip tube" inside the tank) and hot water is taken out at the top. Also hot water naturally rises.
so... when the tank is full of cold water the top element will come on and heat up the top 1/3 of the water then the bottom element will come on and finish heating the rest of the tank.
so... set them both at the temperature you want the water to be... about 120^F.

Apr 02, 2009 | Water Heaters

1 Answer

I REPLACED THE HEATING ELEMENT IN THE TOP OF THE WATER HEATER AND IT DOES NOT STAY HOT FOR VERY LONG IS THERE SOMETHING ELSE TO REPLACE


Well by replace the top element is proable not the problem.You see the top element heats the water at the top first and then the bottom take over.So, my guess is the bottom element is bad.Replace it and I think your troubles will over.

Mar 15, 2009 | Water Heaters

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