clothes are sopping wet at the end of the cycle, washer didn't spin them out.

Diagnosis

The Samsung WA50R5400AW utilizes a sensitive electronic balance sensor integrated into the tub suspension system. When the washer detects that the load is skewed to one side, the drum creates an excessive centrifugal force that triggers the "ub" (Unbalanced) error code or causes the machine to automatically abort the high-speed spin cycle to prevent the tub from striking the outer cabinet. This is common when washing single heavy items, like a single bath mat or a heavy duvet, which clump together and create a "heavy spot" in the drum. If the clothes are soaking wet but you didn't see an error code, the machine likely entered a "recovery mode" where it attempted to redistribute the clothes by adding water and agitating briefly, but failed to achieve a balance. This results in the cycle ending prematurely at a low RPM. You can confirm this by checking if the tub is vibrating violently just before it stops or if the timer seems to "hang" on the final few minutes of the cycle without ever reaching the final high-speed spin. In some cases, this is caused by a mechanical failure of the suspension rods. If the rods have lost their tension (spring fatigue), the tub will sway too much even with a small, balanced load, tricking the sensor into thinking the load is unbalanced and preventing the spin cycle from initiating.

How to Fix It

To resolve a load-based balance issue and extract the water from your clothes, follow these precise steps:

1. Press the Start/Pause button to halt the current operation.
2. Open the lid and manually redistribute the laundry. If you have a heavy item (like a towel) wrapped around the agitator, pull it away and spread it evenly around the perimeter of the tub.
3. Ensure no items are bunched up on one side. For mixed loads, place heavier items opposite each other to create a counter-balance.
4. Close the lid and press the Cycle button until you reach a standard setting, or simply press the Spin button repeatedly to select "High" or "Extra High" spin speed.
5. If you want to run only the spin process, press the Level/Spin button (or the dedicated Spin button depending on your specific panel revision) to bypass the wash and rinse phases.
6. Press Start. The machine will now perform a slow-speed "sensing" spin before ramping up to the final high-speed extraction.

If That Didn't Work

• Level the Machine: Place a bubble level on top of the washer. If the bubble isn't centered, rotate the leveling legs at the bottom front of the machine. Turn the legs clockwise to lower the machine and counter-clockwise to raise it. Ensure all four legs are firmly touching the floor; if one leg is hovering even 1/8th of an inch, the machine will vibrate and trigger the unbalance sensor.
• Inspect the Drain Filter and Hose: If the water isn't draining fast enough, the washer will refuse to spin for safety reasons. Pull the washer away from the wall and check the corrugated drain hose for kinks or clogs. Ensure the standpipe is not overflowing or creating a siphon effect, which can leave residual water in the tub.
• Test the Suspension Rods: With the machine empty, open the lid and push the inner tub firmly downward. If the tub bounces more than once or two times (like a car with bad shocks), the suspension rods have failed. You will need to replace the four suspension rod assemblies (typically part number DC97-XXXXX series) to restore the tub's stability.
• Perform a Hard Reset: Unplug the washer from the 120V outlet for exactly 10 minutes. This clears the temporary memory of the control board and resets the balance sensors, which can sometimes get "stuck" in an error state.

Heads Up

• Avoid "Single-Item" Loads: Never wash a single heavy item (like one large rug) alone. Always add two or three smaller towels to balance the weight distribution.
• Avoid Overloading: Do not pack the clothes tightly. The laundry should be loose enough that you can easily fit your hand between the clothes and the top of the tub.
• Check Floor Stability: If your washer is on a wooden subfloor or a second story, the floor may flex. Installing a vibration-damping pad or a plywood base can prevent the "ub" error.
• Clean the Tub: Run a "Self Clean" cycle once a month to remove biofilm and detergent buildup, which can occasionally affect the weight sensors in the tub base.