LG Tromm WM2277HW Water level to low

I'm guessing it actually your water inlet valve. Bearing would only sound as drum spins. Does it sound as water is being let in?

Press the SPIN SPEED and SOIL LEVEL buttons simultaneously to enter QC test mode and check the frequency of the water level, if the display shows 248 or more:
NO: Check the sensor switch assembly and also the pressure hose, replace either if faulty.
YES: Press the START/PAUSE button twice while in QC test mode and check whether the drum spins at low speed, this is normal.
If no reaction from the drum at all the the main PWB assembly board will need replacing.

the pressure switch is jammed on meaning the water has not empty le reading the is excessive water in the machine

Does spin only work well?

WM2277 technical service Manual

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IE is a water supply error. turn water off to machine and unscrew your 2 water hoses on back of machine and clean inlet screens with old toothbrush. if they are clean, you probably have a stuck closed water solenoid.

An OE error presents if the washing machine has not successfully drained the water in ten minutes. However, the OE error code does not always mean that the washer requires a service call. If periodic maintenance has not been performed on the washer, there are a few simple steps to take before calling for service.
Step 1: Check the drain pump filter.
Items caught in the drain filter will prevent proper drainage. Over time build up can occur from detergents and additives used in the machine. Manually drain unit through the drain hose, then lay a towel down to catch the water, and remove the filter. Clean the filter thoroughly and restart the machine.
Step 2: Check the washers drain hose.
If the drain hose is not installed properly, the washer will not drain properly. The drain hose should not be installed more than 1 meter higher than the bottom of the washing machine.
Step 3: Confirm that the washer is leveled properly.
If the unit is not leveled properly, it will not drain properly. The front of the unit cannot be higher than the back or vice versa. If not properly leveled, the water can flow back into the machine. If this is the cause of the problem, please level the machine using the supplied leveling wrench. When you place a LEVEL on the washing machine, the bubble should be in the center. Confrim that the washer is leveled from side to side and front to back.

I had exactly the same symptom...grinding noise only during high speed spin cycle.

I took the top and back panels off to see how the drain hoses etc. connected. Not wanting to take it apart further, I eventually just took the washing machine outside (I knew I was going to be dealing with water!), pulled the debris catcher front side bottom, and let rip with a garden hose inside the drum with the catcher out (leaving an open drain that could flow unimpeded).

Water flowed quickly out of the open drain, and lo and behold, a small drill bit came out with the water flow. This bit, presumably had gotten through the drum grating, and was resting on the bottom of the housing, scraping and grinding when the drum was spinning.

yes

unit not drainning..in the but front left hand corner ,,there a panel,,open panel and clean your filter...onthejob...