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Anonymous Posted on May 26, 2014

Fav 60750 dishwasher has intermittent short circuit causing sparks from inner mains connector triggering house circuit breakers. No short circuit points obvious on wires or equipment. Where should I look for a shorted unit? Multi-meter hasn't found one yet! = Alan

1 Answer

Dado

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  • AEG Master 511 Answers
  • Posted on Nov 02, 2015
Dado
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It is not clear to me whether triggered fuse or differential circuit breaker?
If triggered fuse than is short circuit or overload. If triggered only differential circuit breaker than could be current leakage.
In case of short circuit I suggest you to disconnect all load, one by one (pump, motor, heating element.....etc.), until you find a load that make a short circuit.
In case of current leakage, my experience says check heating element measuring resistence between housing (earted) and each pin (two) of heating element. Should be more than 2 MOhm.
I hope I've helped.

Dado

5 Related Answers

lisamaree

  • 1 Answer
  • Posted on Dec 21, 2007

SOURCE: tripping out

I had the same problem once before. It was only after a few months that we realised it was the dishwasher causing the power cuts. I looked behind the dishwasher to find the back of it had melted. I was renting at the time, so the real estate agent replaced it. Have a look behind yours to see if anything has happened to it.

After that, get some one out to look at it, or replace it.

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muttandjeff

Allen Neal

  • 359 Answers
  • Posted on Jan 10, 2009

SOURCE: Nearly new Electrolux dishwasher - DEAD

2 THINGS COME TO MINE EASY CHECKS , MAKE SURE THE DOOR IS CLOSING PROPERLY AND THE DOOR SWITCH IS MAKING UP WELL AND CHECK TO MAKE SURE THAT YOU HAVE 110VOLTS LEAVING THE BREAKER AND @ THE DISHWASHER CONNECTION IF IT HAS A RECEPTACLE ON THE DISHWASHER END TRY TO PLUG IN ANOTHER DEVICE SUCH AS A DRILL OR SAW OR OTHER APP, TO SEE IF IT WILL RUN THIS IS A BETTER CK THAN A METER BECAUSE IT PROVES IT IS PASSING CURRENT AS WELL AS VOLTAGE , METERS ARE NONE LOAD DEVICES AND CAN FOOL YOU

Anonymous

  • 640 Answers
  • Posted on Apr 11, 2009

SOURCE: Trips mains fuse when switching on

Disconnect the heating element,remove lower panel and take the 2 wires off the heater and tape.Reset the breaker and turn it on,if it's ok you know the heaters bad if not let me know.

Anonymous

  • 640 Answers
  • Posted on Apr 27, 2009

SOURCE: Dishwasher is shorting out power supply when on hot cycle

The wash tank heater is likely the issue.Remove the 2 wires on the heater and tape them up and run a cycle,let me know.

Anonymous

  • 1036 Answers
  • Posted on Aug 04, 2009

SOURCE: The dishwasher will not turn on

Congratulations - you found the fault !

The options you have are -
Buy areplacement board from a spares centre.
Buy a take- off board from a scrap one on Ebay.
Or - Learn about electronic repair - and identify the burnt component , buy the parts and replace it yourself.

You can take it to an electronic repair shop - if you can find one - or a electronic supply shop - and ask for a new one of "them".

If replacing a burnt component - often there is a cause other than just that component.
Experience tells you what else might be wrong to cause it.

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Related Questions:

0helpful
1answer

When sparks fly from connector to electrical main panel and to me it means overheating of wire, what kind of danger can it caused to other wire (or circuits)sharing the same conduit?

Overheated wire can catch wire and melt other wires.
Sparks from a loose connection usually will not damage other wires, unless the short circuit has been going on for a while... but usually a short circuit will trip breaker or the arcing will completely short out and no more electricity will flow
http://waterheatertimer.org/Troubleshoot-household-electricity.html#spark
http://waterheatertimer.org/Color-codewire.html

Problem can be undersized wire and breaker or mismatched wire size and breaker rating

Gene

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

0helpful
1answer

I need to know if a double pole 30 breaker acts as a jumper from 1 hot bar to the other.

1) Copy following links:
http://waterheatertimer.org/See-inside-main-breaker-box.html
http://waterheatertimer.org/images/Inside-Main-Breaker-Box-8-8.jpg
http://waterheatertimer.org/Color-codewire.html

2) Double-pole circuit breaker snaps down over both hot busbars.
Each busbar supplies 120Volts, and each busbar is out-of-phase with the other busbar. Together, the two 120volt out-of-phase wires have 240Volt potential.

3) Does the double-pole breaker act as a jumper?
No.
Typically a 'jumper' wire bonds two electrical connections together so power flows between the things that are jumpered together.
If you 'jumper' one busbar to the other busbar in live 240V split phase panel, it will short out.

4) 240Volt circuit requires two hot wires. One hot from each busbar.
When the two hots are applied to two screws on a heating element, that action will complete circuit, and element will heat.
Instead of shorting out, the element has resistance in the form of a coil of wire that impedes the flow of current and converts the electric current into heat at the element.
This is same as filament inside light bulb.
If the element does not have resistance to impede current, then the two hot wires in the 240Volt circuit will short out and cause flash of overheating and burning that will burn out element. If element does not burn out immediately, and short continues, then the wire connected to circuit breaker begins to heat. When heat on wire exceeds circuit breaker rating, then the breaker trips off.
Circuit breakers are triggered by heat.
This is why wire size and breaker size must match.., to avoid overheated wire inside wall that will catch house on fire.

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

0helpful
1answer

Trigger siwtch spark cause electric short circuits

short in the ignition switch or loose wire at the ignition switch. if trigger switch is the key ignition switch you referring to.
0helpful
1answer

No power seen at controls. Circuit breaker ok.

We had the same problem less than a year after we got ours. After two visits from the repairman, and a better business bureau complaint, they finally told us that there was a small opening on the inside of the door that allowed steam to escape into the area where the main circuit board is housed, causing it to short out. Replacing the circuit board and running a bead of silicone along the gap solved the problem. Hope that helps some!
0helpful
1answer

As soon as we close down the lid the circuit breaker trips off ! our model is the 505048 passthrough dishwasher ck 0777

There is a short circuit in the electric system in the dishwasher. As soon as you shut the hood, the circuit is completed and causes the breaker to trip.

You will need a technician to find the leaky part. Most likely the water is leaking into the motor / pump area causing a short circuit.

Best to disconnect from the mains and check for leaky gaskets. I believe this uses a 3 phase 400V which can be converted to single phase. So also make sure there is no unbalance in the mains power phases if you are using 3 phase supply.
0helpful
1answer

Soap dispenser does not open on main wash

Water may have run into the dispenser door solenoid core causing it to be sticky. Remove the inner door panel (after shutting power off to the machine by either pulling the plug or turning the circuit breaker off in the house panel) and remove the core mechanism from the solenoid. If the core has a white appearance, water has entered the solenoid. Either replace the solenoid or try cleaning the core piece and the inner coil hole. Don't use any lubricant here as it will make it stick. There should be a bellows-like seal between the two parts that must be in good condition. Hope this helps!
1helpful
1answer

Burnt wiring insulation dishwasher & aluminum house wire

your problem is most likely the aluminum wiring. Begin by running a copper line to your dishwasher eliminating the aluminum. use Romex Building Wire, NM-B 12/2 with ground and a 20 Amp circuit breaker
Oct 25, 2009 • Dishwashers
1helpful
5answers

Washer stopped mid-cycle, water in the bottom of the tub. Circuit breaker popped due to over-load. Reset breaker and it immediately popped again. Could this be cause by a jam in the grinder assembly?

My dishwasher just quit mid cycle. (still has water in it) It is a whirlpool partner 1. I checked the breaker and it wasn't tripped... but i reset it anyways. When I tried the dishwasher again it worked for a second and turned off. I have done reading about the thermo fuse but can't find it. Not sure how big of a problem this is.
Dishwasher is 5 years old.

Thanks,
Dale
2helpful
1answer

Intermittent Power fading on all electrical circuits

This sounds like a bad connection somewhere. If you are comfortable working on electrical equipment, remove the main circuit breaker panel cover and sometimes an inner cover depending on the panel make.

Turn off the breakers one at a time - Check the wiring connections on ALL circuit breakers after they have been turned off. It's not unusual for wiring to loosen up on breakers after several years. Tighten all the screws where the wires are attached, usually with a flat-blade screwdriver. Then tighten all the white wires attached to the neutral buss. If you see any green wires, tighten them too.

Look for any burned or discolored wires, indicating that something is loose or overloaded. Do not place your other hand on anything metal while you tighten the wiring and use an insulated screwdriver. The best bet is to put your free hand in your pocket so you don't lean on something grounded accidentally.

You should also check the wiring on the main breaker to the home, but this can be dangerous and should only be done by trained personnel. This task may require removing the electric meter outside your house. It's even possible that the wiring on the primary side of the meter is loose - if it looks burnt, call the utility company - they will usually respond to this issue.

Hopefully, tightening all the wiring on the breakers will solve the problem. Residential circuit breakers are usually "stab" type, meaning they ""stab" onto the phase busses.

Above all, please be careful. If you aren't sure, it's usually best to call a licensed electrician.

Ask again if you need more help.

0helpful
1answer

Hoover HDC7FM condensor dryer starts then cuts out

Open the dryer door (right after the breaker trips) and check for a burned smell. If it smells in the dryer, you probably have a direct short in the dryer wiring. Check for a burn smell at the wall socket. There may be a short in the socket itself, but not likely unless a mouse is lying across the contacts in the wall.
If everything checks ok replace the circuit breaker if this is an older home. Circuit breakers weaken after years of use. A 30 amp circuit breaker will trip at a much lower amperage after a period of years especially if it has tripped often.
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