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LG LDF 7920 dishwasher worked fine for 1.5 years. Now doesn't dry - I suspect heater doesn't work. How can I find out? Thanks, Carl

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

  • 210 Answers

SOURCE: ie problem on lg dishwasher

The IE is telling you it is not getting enough water. Could be your water pressure is low. Check to make sure the there is not a build up of grime, or calcium deposits in the water hose, and at the valve.
The other thing is if your unit is an older one, prior to mar 07, you may have broken wires in the door. Remove the door panel and look for any wires that are stuck in the insulation. The sensor wires are thin and gray in colour. Splice the wires and put some of the white insulation in between the wires and the door so it cannot happen again.
Broken wires can be hard to find if the break is not all the way through.
Sgt Lauder

Posted on Jun 02, 2008

MNTECH
  • 1543 Answers

SOURCE: LG Dishwasher

Take the main wash arm off and the sump cover below it. Remove the part you'll find under that to gain access to the cutter blade attached to the end of the motor shaft. Remove blade but note that this is a LEFT HAND SCREW. Now lay dishwasher on it's side and remove screws and electrical plug to motor. Reverse procedure to install new motor. It's not really very difficult.

Posted on Oct 21, 2008

pgh_pa_guy
  • 2992 Answers

SOURCE: does a LG model LDF 6920st have anything way to heat to hot water

Dishwashers do have a water heater element. In fact, it's the same heater that is used for hot dry, but you can switch it off for the drying cycle if you want. Dishwashers heat the water so it will be hot enough to properly clean the dishes. Sorry, you lose the bet.

Posted on Nov 26, 2008

  • 3 Answers

SOURCE: not heating /lg ldf 6810 st dishwasher

Using the programs, how did you determine that the heater unit was defective. I tried, set to 36 (10 second heater unit). Do I feel for heat. I just assumed that was it and ordered a part, but it would be nice to be able to confirm.

Posted on Nov 27, 2009

  • 3230 Answers

SOURCE: LE error message

Hi there,

Well LE means locked motor, this seems to be a very common problem withe these dishwashers.

Possible Cause For Error Occurrence:
Wiring connection is OK?
The Impeller of Washing Pump is locked.
The rotor of Washing Motor is locked.
The Blade is locked.

Anyway the LE error code is not all-ways indicative of a motor problem. There are also strong chances of any lose connection (wire), so first you can simply unscrew the front door panel from the retaining screws on the inside of the perimeter of the door. Once the screws are removed pull down and out to remove the door panel. Remove the sound insulating material and you will see several wires routed from the contol panel the length of the door to underneath the unit. Inspect the wires thoroughly. Near the bottom is where the pinching can take place. There are two gray wires and if you have been getting the "LE" error code, one of those wires is most likely broken or pinched. Splice, reconnect, solder or tape.......

Please follow the below link for more information (the link contain service manual, you can check the page number 25) -

http://136.166.4.200/contents/Dishwasher/LDS5811/LDS5811_Service_Manual.pdf

Good Luck!!

Posted on Mar 27, 2010

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Your symptoms point to a failed heating element. That is kind of surprising because this dishwasher ~should~ report an error code if the thermistor does not detect the raising temperature from the heating element.
The LG LDS and LDF models do NOT turn on the heating element in the drying cycle. It turns it on during the final rinse and the dishes dry as the built in fan runs.
So, I suspect the drying fan and related gear is inside the door panel. Do a load of dishes and listen for the final rinse to drain. Then, listen really closely near the top of the door for the quiet sound of a fan _and_ place your hand underneath the left hand side of the closed door for warm air blowing straight down.
If you do not hear./feel what I discribed , the drying system has failed. OH, and if you have any water leaking from the door (right where the warm air is supposed to come out, contact LG service folks and firmly request that they replace the drying parts with a retrofit kit.
Please review this and tell me what works and what questions you still have.
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