Question about LG LDF6810ST Stainless Steel Built-in Dishwasher
As I had the same problem, I worked on my machine and found out the heater unit was not working (it is a brand new machine ! - remark : as I moved overseas, LG did not cover it with their warranty).
But back to what I did : I ran the check program (instructions can be found in the Service Manual) and verified it was sending voltage to the heater on step 36. So I checked the heater unit (in the bottom of the machine) and found it was burned or open. So I ordered a new heater assembly ($40 on eBay), replaced it myself and am completely happy with the results.
Remarks : the heater is powerful enough to heat cold water to the temperatures required (I don't have hot water in the faucet); it seems that the heater also produces heat for the drying cycle (my dishes were completely wet at the end of the cycle before, now they get completely dry). My only disappointment, mentioned by some in the forum, is that the outlet during the drying cycle is in the bottom of the door, so steam condensates into droplets on the kitchen floor. But now I get clean dishes, and this machine is amazingly silent and efficient. Good luck to you !
Posted on Mar 17, 2009
I have the exact same problem with a new LDF6810ST. But it took me a month to realize.
The vent in the door DOES have an outlet. It has both a valve and an active fan to drive dry air in and moist air out - through vertical ducts to the left in the door assy. You can actually see the rubber cap of the valve through the vent grill in the door and weakly hear the fan when it runs, approx. last 30 min. of cycle.
Now I have had the unit serviced twice through LGE, the tech found that the motherboard in the board was not turning on the heater in step 36 (service mode). I am now awaiting a replacement of the motherboard and the heater by local LGE rep.
So call LGE for service while you are still under warranty. You should not accept soaking wet end of cycle.
Posted on Apr 23, 2008
My LG is 712KWEL00012. Is this eligible for retrofit? How do I ask for it?
Posted on Nov 27, 2009
If you post your serial numbers of your LG dishwasher model numbers ending in the numbers xx11 and XX12 we can check to see if they are eligible for a retrofit that can dramatically help with the drying. The initial design in the earliest models of these LG dishwashers were flawed.
Also, these dishwashers are not designed dry well without a rinse aid. Some folks have had good luck putting white vinegar in the rinse aid dispenser, but your mileage may vary.
Posted on Apr 02, 2009
Be sure to select if possible a cycle with heated dry or that heated dry is not unselected, d/w now are designed with rinse aid in mind, not really a band-aid but a legitimate action. and yes there is a vent w/ no exhaust. its actually a very clever active vent that returns moist air(thruough a channel within door assy) back to bottomof tub. itsjust steam all condenses to water droplets inside. why heat your kitchen with it.
Posted on Feb 23, 2008
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