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LG WM2455HW washer problem

Have an LG WM2455HW washer purchased about 3 months ago. It seems to be overly sensitive to suds. It rarely completes a cycle normally without going into the "suds removal program." It’ll stop before the wash cycle completes, drain, sit there idle for 5 minutes, and then jump ahead to the rinse cycle. There is not any excessive sudsing in the machine when this happens (in fact, hardly any sudsing at all). Being an engineer I need to know why (and how) this happens. I popped the cover and took a look under the hood. There are only 3 methods the main board is getting feedback from the washer: a thermistor to sense tub water temperature, a pressure switch to sense tub water level, and the Hall Effect sensor on the motor to sense rotational speed. How does it determine there is too much sudsing? Another factor: There are 2 "ports" on the top of the tub, one where the water flows in and one connected to the vent on the back of the machine. Inside each of these is what I would call a "mushroom valve" that acts like a check valve. Could it be that suds build up between the inner and outer tubs (unseen to me) forcing these valves shut, then pressure builds up in the tub, and the pressure switch interprets this as an over-suds condition? That’s the best theory I can come up with. Perhaps the assembled brain trust here can shed some light on this and provide a possible solution.

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  • Master
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Some machines monitor the power required to operate the drive motor and excessive power requirements can lead to this type of error. Try using a light load so the motor isn't strained.

Posted on Mar 01, 2017

  • rdjagger Mar 02, 2017

    You are using "HE" detergent -- hi efficiency. Also, just 2 tablespoons max for a full load. There should be virtually no suds.

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SOURCE: maytag mah4000aww, tub overfills

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SOURCE: I have a Miele W1918 washer which has worked

I have exactly the same problem. I am currently getting around the issue by letting the machine do the washing then at the end of that cycle do a manual rinse cycle.

Posted on Nov 28, 2010

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SOURCE: Front Load Washer - Error F30

my maytag mdg5806 aww

just works few second and then goes
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Lg washer wm2455hw door won't lock. DE code flashes.


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www.repairclinic.com/...Washing-Machine/...-/LG-Washer-door-or-lid-...
LG washer door or lid won't lock? Use our DIY troubleshooting & videos. Then, get the parts you need fast. Return any part for 365 days.

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The tub was slipping on the motor and when loaded would not spin. I noted when accessing through the back panel that the rotor bolt was loose, probably from the factory as the unit has been used less than two years. When I inspected the rotor, the plastic insert that is screwed into the rotor housing and provides the splined hole that fits over the splined shaft from the motor/stator, the plastic ridges had been destroyed. There are three screws mounting the plastic piece onto the rotor so it appears that the designers anticipated selling replacement for the plastic piece alone. So far this evening, I've only been able to find complete rotor assemblies costing $100+.
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This error can sometimes present because of a miscommunication between the control panel and the wash motor. In this instance, the washer simply needs to be reset.

Step 1: Unplug the washing machine.
Step 2: While the washer remains unplugged, press and hold the [Start/Pause] button on the front panel for 5 seconds.
Step 3: Plug the unit back in, and run a rinse and spin cycle to test if the LE code is cleared.

Are there soap suds visible in the drum?
Over-sudsing is the main cause of LE error codes. Using non-HE (high efficiency) detergents or too much detergent will cause stress on the motor. In addition, detergent residue can also cause leaking and odor. Follow these steps to resolved an LE error code caused by over-sudsing.

Step 1: Unplug the washer and allow the unit to sit for 30 minutes to give the suds time to dissolve.
Step 2: Plug the washer back in and press [Power] to turn on the washer.
Step 3: Do not choose a washing cycle. Press the [Spin Speed] key until "No Spin" is selected.
Step 4: Press [Start/Pause] to begin a drain only cycle.
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Hope this helps.

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1 Answer

What does LE mean?


Over-sudsing is the main cause of LE error codes. Using non-HE (high efficiency) detergents or too much detergent will cause stress on the motor. In addition, detergent residue can also cause leaking and odor. Follow these steps to resolved an LE error code caused by over-sudsing.
Step 1: Unplug the washer and allow the unit to sit for 30 minutes to give the suds time to dissolve.
Step 2: Plug the washer back in and press [Power] to turn on the washer.
Step 3: Do not choose a washing cycle. Press the [Spin Speed] key until "No Spin" is selected.
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What does SUD mean?


SUD means a detection of suds in the machine. These machines are very sensitive to over sudsing. Try adding just plain water or bleach to break down the suds level. They say to use 1/4 of the detergent you would use in an older machine.

If you see "Sud" or "Sd" with the Rinse status light on, the washer is in the process of removing suds. Let the cycle finish

If you see "Sud" or "Sd" and the Cycle Complete light is on, the washer detected too many suds during the cycle and your load may not be fully rinsed or water may not be fully removed. You may want to select a Rinse/Spin cycle for further rinsing.

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Are you using the correct amount of the correct soap?
These machines struggle with soap overdose.
My notes:
You MUST use "HE" (High Efficiency-Low Suds) type detergent--but to use the correct amount.
Nearly all brands of "HE" detergent have incorrect instructions.

The correct amount is as follows:

HE: (2) Tablespoons Per Washload

HE 2X (double concentrated) : (1) Tablespoon

HE 3X (triple concentrated): (1) Teaspoon

This reduces/prevents:

1) Musty Odor

2) "LE" Error/Interrupted Cycle

3) L-O-N-G Cycle Times (longer than time displayed)

4) Insufficient Cleaning Results

5) Small Water Leaks from the air vent behind the washer or at the
front door gasket

6) Damaged Hall Effect Sensor (on 2007 or older LG washers)

7) Reduced Spin Speeds (laundry not spin-dried effectively)

Most consumers were doing what is *normally* the right thing to do, which is to follow directions on the detergent label. In this rare case--those directions should be entirely disregarded.

Additionally--in many LG washers--the liquid dispenser cup (blue cup) has a "MAX" line on the white siphon cap.
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The "MAX" line indicates how much liquid must be in the blue dispenser cup before it DISPENSES from the bottom of the cup.
This is a very,very frustrating mistake that gives owners much grief.

After three months of incorrect type of detergent or incorrect amount of the correct detergent used--musty odor begins to occur.
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Add the entire packet of "TIDE WASHING MACHINE CLEANER" directly into the tub (no laundry) and close the door.

Press and hold: SPIN SPEED & SOIL LEVEL buttons--then press POWER button.
Wait for door to lock.

Press the START button (6) times--this will fill the tub with hot water to the maximum setting when it stops filling.

Press the START button two more times--this will enable the tub to tumble.
After 3 hours--turn "off" the washer.
Turn the washer back "on".
Select the shortest wash cycle (usually "quick wash") and press "START". This will rinse out the tub.
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1 Answer

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