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Smegsa627x dishwasher running through complete cycles but not heating . element showing correct ohms . active side of tst closed , neutral open , could this be the problem ?

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It can be the problem of thermostat.

Posted on Dec 22, 2008

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On full cycle when water turned off now not heating water


Hi Barry. Most of the times the problem is the temperature sensor located near to the heating element, at the bottom side of the appliance.

Before going for the sensor check pressure at faucet. Make sure that hot water is correctly connected and that there is pressure. If inlet is double, check water temperature at hot faucet. Test the appliance running hot water for a couple of minutes before starting the cycle.

If that is not the problem, then the heating element and thermostat must be removed from the appliance and tested. Testing is done reading impedance respectively across thermostat and element contacts. If any of the two parts returns Ohms infinity (circuit open), then the part must be replaced. If the parts comprised in the heater assembly are OK test wiring and timer board.

Operations that involve disassembling must be carried by qualified personal.

Feb 01, 2012 | Dishwashers

1 Answer

My Bosch Dishwasher is not drying my dishes now. The model number is SHE44C05UC.


Hi there,

Unfortunately, it seems that the heating element has failed. The dishwasher uses steam to heat the tub to dry the dishes. I suspect your dishes are also being washed in cold water.

To check this, please run a regular full wash cycle. Allow the washer to fill with water and run for about 10 minutes, then open the door and feel the water temperature in the bottom of the washer. If the water is cold, it's more than likely the heating element has failed.

There are other possible faults which would cause the element not to heat, but these often prevent the dishwasher from completing the cycle. If the water is cold but the dishwasher still drains the water at the end - and completes the cycle - the heating element has probably failed.

Please try this simple test for water temperature and let me know if you need further assistance.

Regards,
BElectric

Feb 18, 2011 | Bosch 24 in. SHE44C05UC Stainless Steel...

2 Answers

Our dishwasher is not dispensing the soap. I have tried using the cubes (stays in wells), tried powder (it turns to a cake of soap) and I have tried liquid but you could see it ran down the door. Some...


Hi
Dishwashers use Bi-Metal strip to allow the dispenser to open/close. This strip when heat up causes the soap door spring to open up the dispenser. If this strip is not heated doesn't allow the door to open. The strip may not be getting 120V or maybe disconnected. Newer (plastic liner) dishwashers use a wax motor to open the soap dispenser. The plunger inside the wax motor slowly moves and pushes the plunger and door open. And, if this wax motor doesn't receive 120 volts, then it'll not work. Please check the voltage to the wax motor/Bi-metal strip; also inspect the connections to these. Dishes are not clean if water is hard or when more detergent is used than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results. You can also add vinegar in the final rinse cycle. Make sure that your soap dispenser drawer is opening and closing fine. Hope this helps...
Please post back if more information is required.

Daniel

Jan 10, 2011 | Maytag Dishwashers

1 Answer

Dishwasher won't stop running.


Hello there:Its possible your thermostat may be bad, you can ohm it for continuity, take the wires off it first of course.

With the wires off you can even jump it by taping the wires together with electrical tape and run it through a cycle and see if that solves the problem
if not than i would check the heating element
If your water is hot coming into the dishwasher, it should be about 120-130 degrees, and if it is not these temps this would cause the cycle take 3 times longer to finish , then its possibly a bad heating element.
You would need to ohm your heating element for continuity, a good element should show 30 ohms or less.

Make sure the breaker is off to your dishwasher first. Its likely the electrical terminals are in the very back, so you'll likely need to pull your dishwasher out to ohm the heating element. Take the heating element wires off first before testing the element for continuity.

But first feel your heating element all around inside your dishwasher, if you feel bumps on it or pits in it, its definitely your element thats
causing your problems ok
Hope this is very helpful for yo
Best regards Michael

Dec 31, 2009 | Frigidaire Dishwashers

1 Answer

I have a Bosch Dishwasher, Model SHE46C06UC. No mater what cycle I start it in, it simply activates the drain and continues to run without ever starting. Within the last week prior to the dishwasher not...


First thing you may want to check is the door switch. You can pull it off and measure the resistance with an ohmmeter. If you get good reading while pushed in and none while switch button is released, then it is a good start.
Next, you may want to test the timer's resistance. and make sure is operating correctly. After that would be the thermostat. (2) Hi-Level Thermotats resistance and then the Heating element.
The heater should measure much higher than 1 ohm.
A 1 ohm heater would use 120 amps which is way too high.

Make sure you remove at least one wire from the device you were measuring just to ensure you do not measure an alternate path.

The thermostat contacts should close at 161 F, this tells the unit that the water is hot enough to proceed with washing. Bypassing it so the unit thinks it is full of hot water should not cause a problem.

But it does not rule out other parts.

A crude way of checking it would be to remove it and heat up the face with a soldering gun while measuring the resistance. It should close once it gets hot. Unfortunately this does not tell you at what temperature it is closing.

You can also try to by-pass the thermostat and see if the machine runs a full cycl.

the culprit has been known to be the Selector Switch.


Nov 16, 2009 | Dishwashers

1 Answer

Bosch Exxcel Type S9N61B


IF YOUR DISHWASHER IS OVER 3 YEARS OLD IT HAS PROBABLY BLOWN THE HEATER IF THEY ARE USED ON REPEATEDLY LOW TEMP WASHES FAT CAN BUILD UP AND DESTROY THE ELEMENT ON A 35 QUICK WASH IT SHOULD HEAT UP WITHIN 12 MINS OF STARTING IF NOT HEATING APPLIANCE WILL WASH FOR UP TO 3 HOURS IN COLD WATER IF CYCLE TIMES ARE NORMAL BUT NO HEAT IS EITHER A THERMOSTAT OR PCB FAULT THE FORMER IS LESS LIKELY,YOU SHOULD GET AREADING OF AROUND 25 TO 30 OHMS ACROSS LIVE AND NEUTRAL AND INFINITY ACROSS LIVE TO EARTH AND NEUTRAL TO EARTH.
HOPE THIS HELPS

Jul 12, 2009 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

No heat - element measures 31 ohms is that correct ?


31 ohms is probably a good value for an element rated at about 500W. Dishwasher washing cycles use the heating element to keep the water hot during a specific cycle but not necessarily all cycles. Probably you have to select the cycle that deposits the soap. There is also likely a temperature switch in series with the 120 volts that is applied to the element during the cycle. Other cycles may not use the heating element. Be careful about where you put your fingers.

Jul 11, 2009 | Indesit 18 in. D41 Slim-Line Free-standing...

1 Answer

The place where u place the soap won't let all the soap out why


hello. i can help you.
When the detergent cup doesn't open, check these:

Timer
Bi-metal switch or wax motor
Detergent cup, itself
Timer On many dishwashers, a plastic actuator arm mechanically links the timer to the detergent cup. When the timer reaches the proper time in the cycle, the timer activates a lever that opens the detergent cup. If the linkage is broken or defective, the cup stays closed after you've closed it. Check the link and repair or replace it, as necessary.

Bi-metal switch or wax motor A bi-metal switch is a simple electrical device that deforms when electricity is applied to it. The degree of this deformation can be engineered to concise standards.

The timer energizes the bi-metal switch inside your dishwasher door--directly behind the detergent cup--when the detergent cup should open. When energized, the bi-metal switch deforms away from the detergent cup latch, which opens the detergent cup. If the bi-metal switch is defective, it may not deform enough to open the cup. If that happens, you need to replace it.

On some dishwashers, the bimetal switch is wired through the heating element or motor circuit. If the element is broken (or open), or if the motor is drawing low current because of a low-fill situation, the bi-metal switch doesn't open properly.

Newer dishwasher models use a wax motor instead of a bi-metal switch. It's a sealed unit with wax that heats up and pushes a piston through to open the door. The wax motor, controlled by the timer, mechanically opens the door.

Detergent cup, itself The detergent cup itself can become clogged with old dried detergent that prevents it from opening. Sometimes just cleaning the cup takes care of the problem. If not, you probably need to replace the entire cup assembly

The cycles times are too long If your dishwasher's cycle times are too long, check these:

Water pre-heating
Cycle not completing
Water pre-heating Your dishwasher may pre-heat the water. If so, and if the water entering the dishwasher is cool, the heater may take up to half an hour to heat the water.

To avoid the wait, increase the incoming water temperature before turning on the dishwasher. Do that by running the kitchen sink faucet until the water runs hot. Or increase the temperature of the hot water to the entire house at the hot water heater.

Warning! To lessen the risk of scalding, don't set the hot water heater temperature higher than 120 degrees Fahrenheit.

Cycle not completing See "The cycle doesn't complete" section.



Jul 05, 2009 | Electrolux Kenmore 24 in. Built-In...

1 Answer

Dishwasher fault codes


the heating element is probably bad.
i have a idl 600 here in naples italy and it would fill up and go into alarm light 2 and 4 and pump out the water.
heating element cost 28 euro and i changed it out.
had to change the clamps as well.
if you ohm the element it should show about 100 ohms.
if it is open its bad.
the mother board does some checks and if anything fails it alarms out and drains the water after a few minuts
ralph

Jun 02, 2009 | Indesit 24 in. IDL500 Built-In Dishwasher

1 Answer

Heating element not working


normally on a kitchenaid dishwasher the diagnostics cycle is activated by pressing heated dry - sani rinse - heated dry - sani rinse - heated dry - sani rinse - heated dry and this will energize the heating element but the only way to check is to see if you are geting voltage out of the board or by checking the resistance of the elment should usaly be around 16 ohm's

Mar 25, 2009 | KitchenAid Dishwashers

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