Question about LG 24 in. LDF 7811 Stainless Steel Built-in Dishwasher

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LG LDF7811ST 1E code

Getting 1E Codes on all cycles.

Chg'd inlet valve, still rec code. Check float, appears to be working properly. It rises when water starts to enter the chamber. I assume that the micro switches are ok since the machine drains and starts to refill. Water pressure is good, no kinks in supply or drain hoses.

At beginning of cycle machine drains, starts to refill and about 1-2 minutes into cycle 1E codes comes up. I disconnected the hose fm the inlet valve and blew through it to the guide assembly, the impeller moves/not stuck.

I found a wire that was embedded in the black insulation on the door. It doesn't look as if it was ever connected, wasn't burned through, just broken. I traced it to flow meter. Rejoined it but still no go; still received 1E code.

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  • Anonymous Sep 08, 2008

    I have the same problem and troubleshot to the same extent as you. Did not notice wire. Everything clear and no obstructions. Any help on this would be greatly appreciated.

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  • 489 Answers

Are you sure it's 1E and not LE error code??  The symptoms you mentioned indicates that it is an LE error code and the motor has an issue.  You will need to call a qualified LG technician to diagnose and resolve the problem.

Posted on Jul 23, 2008

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I have a LG dishwasher that exhibits occasional groaning, 1E error and poor cleaning. Sometime it works fine but lately it's getting more common.


Since you have replaced the water inlet valve and still have the 1E error code, this leads me to believe that your water pressure could be too low.
1E error code means that your machine is not filling with enough water to operate correctly, so check the supply system completely and also the filters where the supply hose enters the machine.
The poor cleaning could be food clogging the lower filter screen, the groaning is the circulation pump cavitating.

Apr 28, 2015 | LG LDS4821ST Stainless Steel 24 in....

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1E code display. Checked water pressure, changed inlet valve and float. Still 1E code


You need to check the voltage on the inlet valve coil terminals to see whether the main control board is actually switching the valve on to take in water.
If not replace the main control board PCB as this is the only other problem remaining.

Mar 08, 2015 | LG 24 in. LDS 5811ST Stainless Steel...

1 Answer

The dishwasher does not fill up with water, but when we manully add water, it seem to run through cycle. also, the buttons seem not work properly. If I want to rest, it will not activate when pressed.


Hi

When the Dishwasher won't fill you'll need to check for the water inlet hose, the water inlet valve and the float switch assembly. When the water fills your dishwasher, a float rises along with it. As the float reaches a certain threshold level, it shuts off the flow of water, thereby preventing a leak. Sometimes the float can get stuck in the wrong position in your dishwasher, and it can prevent your dishwasher from filling. Sometimes it can happen due to float valve and on other occasions due to float switch. Inspect the water hose coming to the dishwasher for any blockages. If the hose is not clogged then check the water inlet valve for any clogs, if the water will not even fill for few seconds then certainly the water inlet valve is bad and should be replaced. You can also use a multimeter to check continuity on inlet valve. If you don't get any value on the multimeter then you'll need to replace the water inlet valve assembly. However, if the valve is fine then the float switch assembly should be replaced. Hope this helps... Please post back if you need more information.

Daniel

Aug 29, 2011 | Dishwashers

1 Answer

The dishwasher goes through the cycles but will not fill with water on some cycles.


Hi


When the Dishwasher is not filling in, you'll need to check for the water inlet valve, the filter screen and the float switch/assembly. Also check for the float assembly inside the dishwasher. When water is filling your dishwasher, a float rises along with it. As the float reaches a certain threshold level, it shuts off the flow of water, thereby preventing a leak. Sometimes the float can get stuck in the wrong position in your dishwasher, and it can prevent your dishwasher from filling. Sometimes it can happen due to float valve and on other occasions due to float switch. Inspect the water hose coming to the dishwasher for any blockages.

If these are fine then it's due to Water Inlet Valve. Use a multimeter and check for the continuity on inlet valve. If you don't get any value on the multimeter hen you'll need to replace the water inlet valve assembly.

Please post back for any further assistance.

Daniel

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1 Answer

Does not fill with water e1 code


1E means - Water inlet problem >Condition : Not reached to the normal water level in spite of 10 minute water supply


Water supply problem. The inlet hose is kinked. The water pressure is to low (10psi) Inlet valve. The inlet water valve filter is clogged. The hall sensor. The impeller of Air guide is bound. Remedy : Check resistance of inlet valve ( 950-1300ohms) Clean valve. Check pressure. Replace the Air braker.

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1 Answer

I have an error code of 1E on my LG dishwasher what does this mean and how do I fix it?


1E error is Not reached to the normal water level in spite of 10 min. water supply
POSSIBLE CAUSE REMEDY FOR ERROR OCCURRENCE The Water Supply Tap is closed. The Water Supply is shut off. The Inlet Hose is kinked. The Water Pressure is very low. (below 10 psi) Inlet Valve is OK? The filter of Inlet Valve is clogged by impure water. The Hall sensor is OK? The Impeller of Air Guide is bound.
Remedy Take action on Water Supply device. Measure the electric resistance of Inlet Valve. (950-1300 ) Clean the filter of Inlet Valve. Check the frequency of Inlet Water by the Test Mode. Replace the Air Braker.

Sep 26, 2009 | LG Dishwashers

1 Answer

Keeps alarmimg 1E on my Lg Dishwasher


Inlet water error 1E
Not reached to the normal water level in spite of 10 min. water supply
The Water Supply Tap is closed. The Water Supply is shut off. The Inlet Hose is kinked. The Water Pressure is very low. (below 10 psi) Inlet Valve is OK? The filter of Inlet Valve is clogged by impure water. The Hall sensor is OK? The Impeller of Air Guide is bound.
Take action on Water Supply device. Measure the electric resistance of Inlet Valve. (950-1300 ) Clean the filter of Inlet Valve. Check the frequency of Inlet Water by the Test Mode. Replace the Air Braker.

Sep 24, 2009 | LG Dishwashers

7 Answers

LG Dishwasher LDS5811ST 1E error code


I had a LG certified repairman come out and fix. The electrical wires within the door were melted into the "tar" (sound deafening spray) and one wire actualy sheered. Apparently the drying cycle heats the tar and the wires become embeded and melt into the tar. This is what was causing the error code. After the wire was tested and spliced everything worked great. Long term...The door/electrical harness was replaced by LG.

Oct 08, 2008 | LG 24 in. LDS 5811ST Stainless Steel...

1 Answer

LG Dishwasher (LDS5811) - low water level


1E= Inlet Error
Condition>>>
Not reached to the normal
water level in spite
of 10 min. water supply


The Water Supply Tap is closed.
The Water Supply is shut off.
The Inlet Hose is kinked.
The Water Pressure is very low.
(below 10 psi)
Inlet Valve is OK?
The filter of Inlet Valve is clogged
by impure water.
The Hall sensor is OK?
The Impeller of Air Guide is bound

Solutions:

Take action on Water Supply
device.
Measure the electric resistance of
Inlet Valve. (950-1300 )
Clean the filter of Inlet Valve.
Check the frequency of Inlet Water
by the Test Mode.
Replace the Air Braker

Aug 20, 2008 | LG 24 in. LDS 5811 Built-in Dishwasher

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