Question 1

the washer just beeps three times and won't do anything when i press start.

Accepted Answer

DIAGNOSIS When the Samsung WA55CG7100AW emits three rapid beeps and refuses to engage the motor upon pressing the Start/Pause button, it is triggering a safety lockout sequence. This specific pattern indicates that the Control Board is not receiving the "Closed" signal from the lid lock assembly. For safety reasons, this high-efficiency top-loader cannot initiate the agitation or spin cycles unless the lid is electronically verified as locked and secured. This failure typically stems from one of three root causes: a physical obstruction preventing the lid from seating fully, a misalignment of the lid strike (the plastic protrusion on the lid), or a failure of the electromagnetic solenoid within the lock assembly. You can confirm this by observing the display panel; usually, you will see a "dL" (Door Lock) or "dC" (Door Closed) error code accompanying the beeps. If the lid feels physically closed but the beeps persist, the internal reed switch or the locking actuator has likely failed electrically. FIX Follow these steps to resolve the lid detection issue and reset the control board: Power down the machine completely by unplugging the power cord from the wall outlet for exactly 60 seconds. This clears the temporary memory of the control board. Inspect the lid strike—the plastic hook/tab on the underside of the lid. Ensure it is not cracked or bent. If it is loose, tighten the screws securing the plastic housing to the lid. Clear the latch opening. Use a flashlight to look inside the hole where the lid strike enters the machine. Remove any lint, detergent buildup, or small items (like coins or hairpins) that may be blocking the latch from fully engaging. Check the lid alignment. Close the lid slowly and ensure it sits flush against the top frame. If the lid is tilted, the strike will not align with the sensor, triggering the three beeps. Plug the machine back in. Turn the dial to a standard "Normal" cycle, select your temperature, and press Start firmly. Listen for a distinct "click-click" sound, which indicates the solenoid has successfully engaged the lock. IF THAT DIDN'T WORK Replace the Lid Lock Assembly: If the lock does not click, the solenoid has likely burnt out. You will need to replace the entire lock assembly (Part #DC64-00xxx series). This involves removing the top console panel, disconnecting the wiring harness from the lock, and unscrewing the assembly from the top frame of the tub. Inspect the Wiring Harness: Over time, the vibrations of the high-speed spin cycle can chafe the wires leading to the lid lock. Inspect the wire loom for any frayed insulation or pinched wires. If a wire is broken, solder it and seal it with heat-shrink tubing to restore the signal to the board. Test the Lid Strike Gap: If the lid is slightly warped, the strike may be millimeters too far from the sensor. You can test this by manually pushing the lid down firmly with your hand while pressing Start. If the machine starts under pressure, you may need to shim the lid hinges to ensure a tighter seal. Perform a Hard Reset: If the hardware is intact but the software is glitched, press and hold the "Start/Pause" and "Delay End" buttons simultaneously for 5 seconds while the machine is powered on to attempt a soft reset of the sensor logic. HEADS UP Never force the lid open while the machine is in a spin cycle; forcing the handle can snap the plastic locking pawl inside the assembly, requiring a full replacement of the lock. Avoid leaning on the lid during the wash cycle, as this can warp the top frame over time and lead to chronic lid-lock alignment issues. Ensure you are using High-Efficiency (HE) detergent; excessive suds can sometimes leak into the top console and cause short circuits in the lid lock wiring. Always unplug the unit before removing the top panel to avoid electric shock from the capacitors on the main control board.

Question 2

water is leaking from the bottom front of my washer onto the floor.

Accepted Answer

DIAGNOSIS Most likely source is a loose or split drain hose connection at the back of the washer or a clogged/overflowing drain standpipe. FIX Pull the washer out. Check where the drain hose connects to the washer pump. Ensure the clamp is tight. Check where the hose attaches to the standpipe or sink. It should only be inserted 4-6 inches; too deep causes siphoning. IF THAT DIDN'T WORK The leak could be from a cracked drain pump filter housing or a failed tub seal. Inspect the front-bottom area for cracks. The drain pump filter is behind the small kickplate. HEADS UP Before moving the washer, turn off the water supply valves. Have towels ready. Electrical components are on the bottom; water can damage the drive motor or control board.

Question 3

it says it's connected to wifi on the app but i can't start a cycle remotely.

Accepted Answer

DIAGNOSIS The washer is in a state that blocks remote start. Common reasons: Child Lock is on, the door is physically open, or the cycle was started manually at the unit. FIX Go to the washer. Ensure the lid is fully closed. Check the display for the Child Lock symbol. Disable it if present. Start a cycle manually from the control panel, then stop it. Now try starting a cycle remotely via the SmartThings app. IF THAT DIDN'T WORK Delete the washer from the SmartThings app. Power cycle the washer. Re-add it to the app as a new device. This clears any software handshake errors. HEADS UP Remote Start is disabled by default if the washer hasn't been used for a certain period. It's a safety feature. You must be at the machine to enable it again after a long idle time.

Question 4

the washer lid won't unlock after a cycle ends, i can't open it to get my clothes out.

Accepted Answer

DIAGNOSIS The Samsung WA55CG7100AW utilizes a solenoid-driven electronic lid lock assembly designed to prevent access during high-speed spins or when the tub is filled. When the lid fails to unlock, it is typically caused by one of two things: a "ghost" sensor reading where the control board believes the tub still contains water (even if it looks empty), or a mechanical failure of the wax motor/solenoid within the lock assembly itself. If the washer finished the cycle but the lock didn't trigger the release, the solenoid may be stuck in the "engaged" position due to debris or a burnt-out coil. To confirm the cause, check the display panel for error codes like "dL" (Door Lock) or "dc" (Door Closure). If the display is blank or showing a completed cycle but the lid is frozen, the issue is likely a mechanical jam or a logic glitch in the main PCB. You can also test for water retention by attempting to run a "Spin Only" cycle; if the machine refuses to start and beeps, it confirms the sensor thinks the tub is too full to safely unlock. FIX If the lock is electronically frozen, follow these precise steps to force a hard reset and mechanical release: Disconnect the power cord from the 120V wall outlet. Do not simply turn off the machine via the power button. Wait exactly 5 to 10 minutes. This allows the capacitors on the main control board to discharge fully, which often resets the solenoid's default state to "unlocked." While the machine is unplugged, firmly press down on the lid directly above the lock mechanism. This relieves the pressure on the locking pin, which can sometimes be jammed by overly full laundry pushing against the lid. Plug the washer back in. Immediately press the "Power" button and then the "Start/Pause" button. Listen for a distinct "click-clack" sound from the rear of the lid. If it remains locked, locate the emergency release. On this model, you must remove the top cover or reach under the front console. Look for the small plastic release lever (usually white or orange) located near the lock assembly. Slide the lever toward the rear of the machine while simultaneously lifting the lid. IF THAT DIDN'T WORK Drain the Tub Manually: If the machine detects water, it will never unlock. Locate the drain hose at the back or use a shop vac to suck water out of the drain pump filter (accessible via the bottom rear). Once the water level drops below the sensor threshold, the lock will trigger automatically. Replace the Lid Lock Assembly: If the solenoid has failed electrically, you will need to replace the lock assembly (Part #DC67-00XXX series). This involves removing the top console, disconnecting the wiring harness from the lock, and unscrewing the assembly from the chassis. Check for Obstructions: Inspect the lid strike (the plastic hook that enters the lock). If the hook is chipped or bent, it can wedge itself into the locking mechanism. Use a pair of needle-nose pliers to gently straighten the strike if it is deformed. Inspect the Wiring Harness: Check the wires leading from the main PCB to the lid lock for signs of fraying or rodent damage. A broken wire in the lock circuit will prevent the "unlock" signal from reaching the solenoid. HEADS UP Avoid pulling the lid handle with excessive force; the plastic tabs on the WA55CG7100AW are prone to snapping, which will require a full lid replacement. Never overload the tub beyond the 75% mark. Overfilling forces clothes against the lid, creating friction that prevents the locking pin from retracting. Periodically clean the area around the lid lock with a damp cloth to ensure lint and detergent residue don't build up inside the lock housing. Always ensure the washer is perfectly level. An off-balance machine can cause the tub to shift during the final spin, jamming the lock mechanism against the frame.

Question 5

my washer smells musty, especially right after a cycle finishes. how do i clean it?

Accepted Answer

DIAGNOSIS This musty odor is caused by the accumulation of "scrud"—a waxy buildup of undissolved detergent, fabric softener, and organic skin cells—which traps moisture and creates a breeding ground for mildew and mold. In the Samsung WA55CG7100AW, this typically occurs in the stagnant water pockets of the detergent dispenser housing and the gap between the inner stainless steel drum and the outer plastic tub. Because this model uses a high-efficiency (HE) impeller system, it uses less water, which often fails to flush out all the residue from the top of the drum. The smell is most prominent after a cycle because the humidity is at its peak, and the agitation process has loosened the biofilm attached to the outer tub, releasing volatile organic compounds (VOCs) into the air. You can confirm this by wiping a damp white paper towel along the underside of the detergent drawer rim; if the towel comes away with grey or black slime, you have a systemic biofilm issue that a standard wash cannot resolve. FIX To fully sanitize the WA55CG7100AW and eliminate the odor, follow this deep-cleaning sequence: Clear the Dispenser: Press the release tab on the detergent drawer and pull it completely out of the machine. Use a toothbrush and a mixture of warm water and white vinegar to scrub the drawer itself and the ceiling of the dispenser cavity where mold typically clings. Prepare the Cleaning Agent: Do not use laundry detergent. Instead, use a dedicated washing machine cleaner like Affresh or OxiClean WasherCleaner. If using bleach, pour 1 cup of liquid chlorine bleach directly into the bleach dispenser compartment; do not pour it directly onto the drum to avoid pitting the stainless steel. Execute the Tub Clean Cycle: Press the Power button, then select the "Tub Clean" cycle. Ensure the water temperature is set to "Hot." This specific cycle is programmed to use a higher water level and a longer soak time than a standard wash to penetrate the outer tub. Post-Cycle Wipe Down: Once the cycle completes, use a microfiber cloth to wipe the top rim of the tub and the rubber seals around the agitator/impeller area. Ventilation: Prop the lid open at a 45-degree angle for at least 4 hours to allow the internal humidity to evaporate completely. IF THAT DIDN'T WORK Deep Clean the Dispenser Housing: If the smell persists, remove the detergent drawer again and use a pipe cleaner or a flexible brush to scrub the water inlet nozzles at the back of the dispenser housing. These often collect black mold that the Tub Clean cycle cannot reach. Vinegar Shock Treatment: Run a second Tub Clean cycle, but this time use 2 cups of distilled white vinegar poured directly into the drum. The acidity of the vinegar breaks down the alkaline detergent buildup (scrud) that bleach sometimes cannot penetrate. Inspect the Drain Hose: Check the installation of the drain hose at the back of the machine. If the hose is pushed too far down into the standpipe (creating a siphon) or if there is a "U" trap with standing water, sewer gases or stagnant water can back up into the tub. Ensure there is an air gap between the hose and the standpipe. Manual Scrubbing: Use a nylon brush to scrub the top 2 inches of the stainless steel drum just below the rim, as this area often remains dry during cycles and accumulates a ring of grime. HEADS UP Avoid Fabric Softeners: Liquid fabric softeners are the primary cause of biofilm buildup in Samsung washers. Switch to distilled white vinegar in the softener compartment to keep the tub cleaner. Use HE Detergent Only: Only use High-Efficiency (HE) detergents. Standard detergents create excessive suds that cling to the outer tub and trap odors. Monthly Maintenance: Schedule a "Tub Clean" cycle every 30 wash cycles or once a month to prevent the return of the musty smell. Lid Discipline: Never close the lid immediately after a load. Keep the lid open until the drum is bone-dry to the touch.

Question 6

suddenly getting an ub error code on the display, washer won't drain.

Accepted Answer

DIAGNOSIS The UB (Unbalanced) error on the Samsung WA55CG7100AW occurs when the machine's internal sensors detect that the laundry load is not evenly distributed around the agitator or tub. During the transition from the wash cycle to the high-speed spin cycle, the tub rotates rapidly; if the weight is concentrated on one side, the resulting centrifugal force creates excessive vibration. To protect the suspension rods and the motor, the control board triggers the UB code and halts the spin process to prevent the machine from "walking" across the floor or damaging the outer tub. This is often triggered by "clumping," where heavy items like towels, bedding, or a single heavy denim pair of jeans wrap around other clothes, creating a heavy mass on one side. However, it can also be caused by a "low-load" scenario, where a single heavy item (like a bath mat) sticks to one wall of the tub, creating an imbalance that the sensor cannot ignore. You can confirm this by observing the tub during the spin attempt; if you see the tub oscillating violently before the error pops up, it is a mechanical balance issue rather than a sensor failure. FIX To resolve the UB error and force the machine to complete the drain and spin cycle, follow these precise steps: Press the Start/Pause button to halt the current cycle immediately. Open the lid and manually reach into the tub. Locate the area where the clothes are bunched or piled high on one side. Physically pull the laundry apart and redistribute it evenly in a ring around the agitator. If you have a single heavy item, move it to the opposite side of where it was originally resting. Ensure no clothing items are caught between the inner tub and the outer casing. Close the lid firmly. You should hear a click indicating the lid switch is engaged. Press the Start/Pause button again. The machine will now perform a "sensing" phase to check the balance before attempting the high-speed spin. If the machine still won't spin, manually select the Spin Only cycle from the dial, set the spin speed to "Medium" or "Low" to test stability, and press Start. IF THAT DIDN'T WORK If redistributing the load does not clear the UB code, investigate these mechanical possibilities: Level the Machine Feet: Place a bubble level on the top rim of the washer. If the bubble isn't centered, rotate the adjustable leveling legs at the bottom front of the machine. Turn the legs clockwise to raise the machine and counter-clockwise to lower it. Ensure all four feet are firmly touching the floor; if one is hovering even 1/8th of an inch, the machine will vibrate and trigger a UB error. Check for Suspension Rod Failure: Open the lid and push down firmly on the tub. If the tub bounces up and down several times like a spring rather than returning to center immediately, one or more of the four suspension rods have lost their tension. You will need to replace the suspension rod assembly (typically sold as a set of 4) to restore the tub's stability. Clear the Drain Pump Filter: While UB is a balance error, a partial clog in the drain hose or pump can cause the tub to retain too much water, making the load heavier and more prone to imbalance. Inspect the drain hose for kinks and ensure the standpipe is not clogged, allowing water to flow freely. Reset the Control Board: Unplug the washer from the 120V wall outlet for exactly 10 minutes. This clears the temporary memory of the control board and resets the sensor calibration. Plug it back in and attempt a "Spin Only" cycle with an empty tub to see if the error persists. HEADS UP Keep these maintenance tips in mind to prevent future UB errors: Avoid "Single Item" Loads: Never wash a single heavy item (like one heavy bath rug) alone. Always add a few towels or smaller items to balance the weight distribution. Don't Overload: Fill the tub no more than 3/4 full. Overstuffing prevents the clothes from moving freely, making it impossible for the machine to balance the load during the spin cycle. Check the Floor Surface: If your washer is on a vinyl or laminate floor, it may shift over time. Periodically check that the leveling legs haven't vibrated loose. Use Heavy Duty Racks: If the machine is on a wooden floor that flexes, consider a reinforced laundry pedestal or a plywood base to provide a rigid surface, which reduces the likelihood of vibration-induced UB codes.

Question 7

why does my top load samsung make a loud grinding noise during the spin cycle?

Accepted Answer

DIAGNOSIS This is usually a foreign object caught between the washplate at the bottom of the tub and the inner tub. Coins, bra wires, and screws are common culprits. FIX Unplug the washer. Remove any visible debris from around the washplate. Tilt the washer back and check the drain pump filter housing at the front-bottom for objects. Manually rotate the inner tub by hand to feel for and locate the obstruction. IF THAT DIDN'T WORK The noise could be from worn drive pulley bearings or a damaged spider arm. This requires a technician to disassemble the tub assembly for inspection. HEADS UP Continuing to run the washer with a grinding noise can score the stainless steel tub or break the washplate. Stop using it until the object is removed.

Question 8

my samsung wa55cg7100aw washer just shows nd and a lock symbol and won't start, what's going on?

Accepted Answer

DIAGNOSIS The "nd" error code combined with the lock symbol on your Samsung WA55CG7100AW indicates that the Child Lock feature has been accidentally activated. When this mode is engaged, the control panel is electronically disabled to prevent children from changing settings or starting the machine. The "nd" specifically refers to a "No Detergent" or "Not Determined" state where the machine refuses to initiate the cycle because the control board is ignoring all user inputs, including the Start/Pause button. You can confirm this is a software lock rather than a hardware failure by attempting to press any button on the console. If the machine beeps but the display does not change and the lock icon remains steady, the Child Lock is active. This is a common occurrence on the WA55 series because the buttons for Child Lock are located in a high-traffic area of the control panel, making them easy to press accidentally while loading laundry or cleaning the top of the machine. FIX To deactivate the Child Lock and restore full functionality to your washer, follow these precise steps: Ensure the washer is powered on. If the display is blank, press the Power button first. Locate the Spin Speed and Soil Level buttons on the control panel. These are typically positioned side-by-side or in close proximity. Press and hold both the Spin Speed and Soil Level buttons simultaneously. You must apply firm, steady pressure to both buttons at the exact same time. Maintain this hold for a full 3 to 5 seconds. Do not release the buttons until you hear a chime or see the lock icon disappear from the LED display. Verify that the "nd" code has vanished and the display now shows the default cycle time or the "Ready" state. Press the Start/Pause button to begin your laundry cycle. IF THAT DIDN'T WORK Perform a Hard Power Reset: If the buttons are unresponsive, the control board may be glitched. Unplug the washer from the 120V wall outlet entirely. While unplugged, press and hold the Power button for 15 seconds to drain the residual electricity from the capacitors on the main PCB. Plug the unit back in and attempt the button combination again. Check for Stuck Buttons: Inspect the Spin Speed and Soil Level buttons for any physical sticking or residue (like detergent buildup). If one button is physically jammed in the "pressed" position, the board cannot register the simultaneous press required to unlock the system. Use a damp microfiber cloth to clean around the edges of the buttons. Test the Door Latch Sensor: If the lock symbol persists but the Child Lock combination doesn't work, the machine may think the lid is open. Ensure the lid is fully closed and there is no clothing caught in the hinge. If the lid switch is faulty, the machine will stay in a locked state as a safety precaution, which can sometimes mimic the Child Lock display. Control Board Power Cycle: Turn the machine off via the power button, then flip the circuit breaker in your home's electrical panel for 5 minutes. This forces a deeper reset of the Samsung control logic than simply unplugging the cord. HEADS UP Avoid using aggressive chemical cleaners on the control panel, as liquid can seep under the buttons and cause "ghost presses" that trigger the Child Lock automatically. If you frequently trigger this mode, be mindful of where you place laundry baskets or detergent bottles on top of the machine, as leaning on the console can activate the lock. Regularly check that the lid is completely clear of debris; a malfunctioning lid sensor can lead to various "Lock" errors that are often mistaken for the Child Lock setting. If the "nd" code persists after unlocking and you are using an Auto-Dispense model, check your detergent reservoirs to ensure they are filled to the minimum line, as the machine may trigger a detergent alert once the lock is removed.

Samsung WA55CG7100AW Top Load Washer

Other Washing Machines