Siemens WM16W468DN – Error Codes & Troubleshooting

The child lock feature is enabled on your washing machine, which prevents the cycle from starting as a safety measure. This is not an error or fault, but rather an intentional lock function. To resolve, simply press and hold the child lock button (usually for 3-5 seconds) until the indicator light turns off.

The washing machine's door is not locking properly, preventing the cycle from starting. This is typically caused by laundry caught in the door frame, a faulty door lock mechanism, or a misaligned door. Try opening the door, removing any obstructions, closing it firmly, and restarting the cycle.

The E17 error indicates the washing machine is not receiving water within the expected time during the fill cycle. Common causes include a clogged inlet filter mesh, kinked water supply hoses, blocked inlet valve, or failed water level sensor. Start by checking the inlet hose for kinks, inspecting the filter mesh at the water inlet for debris, and ensuring the water supply taps are fully open.

The E18 error indicates the washing machine cannot drain water within the expected time. Common causes include a clogged drain filter, blocked or kinked drain hose, or a failed drain pump. Start by checking and cleaning the drain filter, inspecting the hose for blockages or kinks, and ensuring the drain is clear.

The washing machine is detecting unexpected heating during the cycle, which triggers a safety shutdown. This is typically caused by a malfunction in the heating circuit or a control board error. Try resetting the machine by turning it off and back on; if the error persists, the heating element or control board may need professional inspection.

The E21 error indicates a drainage problem preventing water from emptying properly from the washing machine. The most common causes are a clogged drain filter, blocked drain hose, or faulty drain pump. Start by checking and clearing the drain filter and hose for blockages before considering pump or motor replacement.

E22 indicates a drainage fault where water is not draining properly from the washing machine. The most common cause is a clogged or blocked drain filter filled with lint and debris. You can often fix this by locating and cleaning the drain filter, which is typically accessed from a panel at the bottom front of the machine.

Error E23 indicates the washing machine's water protection system has detected water leaking into the base plate or floor area beneath the machine. This is commonly caused by a disconnected or damaged inlet/outlet hose, a clogged drain filter, or a faulty drain pump. Start by checking all hose connections, cleaning the drain filter, and inspecting for visible water pooling under the machine.

The washing machine cannot drain water properly due to a clogged or faulty drainage pump. This is most commonly caused by blockages in the drain hose, pump filter, or pump itself from lint, debris, or foreign objects. Start by checking the drain hose for kinks or clogs, and inspect the pump filter for blockages before calling a technician.

The analogue pressure sensor in the water system is faulty or not reading correctly. This sensor monitors water levels during the wash cycle, and when it fails, the machine cannot properly detect water pressure or levels. This typically requires replacement of the pressure sensor/switch by a technician, though checking the pressure chamber pipe for blockages is worth attempting first.

The door locking mechanism has failed or is overheating, preventing the washing machine door from locking properly. This is commonly caused by wear, debris, or electrical failure in the door lock assembly. Start by unplugging the machine for 30 seconds to attempt a reset, then inspect the door lock for visible damage or debris.

The E28 error indicates a faulty flow sensor or a drainage issue preventing water from draining properly. The most common causes are a blocked drain filter, kinked drain hose, or a faulty drain pump. Start by checking and cleaning the drain pump filter and inspecting the drain hose for blockages or kinks.

The washing machine is not receiving sufficient water supply, typically due to a problem with the water inlet valve or supply lines. The most common causes are closed water supply valves, kinked hoses, or blocked inlet filters. Check that both hot and cold water taps are fully open and that supply hoses are not kinked or obstructed.

The washing machine cannot drain water properly, typically caused by a blocked drain pump, clogged drain filter, or kinked drain hose. Start by checking and cleaning the drain pump filter for debris, inspecting the drain hose for blockages, and ensuring the pump cover is installed correctly. Excessive detergent suds can also restrict drainage.

The washing machine's anti-balance detection system has interrupted the spin cycle because the load is unevenly distributed inside the drum. This commonly occurs when washing single large items like bed linen or bath towels. Try redistributing the load evenly, mixing different sized items, or running the cycle again—this is not a mechanical fault.

The washing machine is unable to drain water from the tub, often causing the door to lock with water still inside. The most common causes are blockages in the drain filter, drain hose, or drain pump. Start by checking and cleaning the drain filter and inspecting the drain hose for kinks or obstructions.

The NTC (Negative Temperature Coefficient) probe is a temperature sensor that monitors water temperature during the wash cycle. When defective, the machine cannot regulate temperature properly and stops operation. This typically requires replacement of the probe by a technician, though you can first try resetting the machine to rule out temporary sensor errors.

The NTC temperature sensor (probe) has failed or developed a short circuit, preventing the washing machine from monitoring water temperature correctly. This is a component-level failure that typically requires professional replacement of the temperature probe. Check that the probe connector is not loose before calling for service.

The door lock mechanism has failed or the latch is jammed, preventing the door from opening or closing properly. This is most commonly caused by a mechanical jam, worn latch, or faulty door lock solenoid. Try unplugging the machine for 5 minutes to reset the control board, then check if the door latch is physically obstructed or stuck.

The drain pump impeller is not spinning freely, preventing water from draining properly from the machine. This is usually caused by foreign objects (coins, buttons, debris) stuck in the pump or a faulty pump motor. Try accessing the drain pump filter to remove any blockages before considering pump replacement.

The washing machine cannot drain water properly due to a blockage or malfunction in the drain pump system. This is most commonly caused by debris, lint, or foreign objects stuck in the drain pump or hose. Check and clear the drain pump filter and inspect the drain hose for blockages as a first troubleshooting step.

The E50 error indicates a problem with the washing machine's motor or motor control system. Common causes include a blocked or stuck drum, foreign objects obstructing movement, pump blockage (often from hair and lint), or motor control board failure. As a first troubleshooting step, try powering off the machine for a few minutes and restarting it; if the error persists, the drum should be manually checked for obstructions.

The E60 error indicates a problem with the door lock assembly or the washing machine's control board. The door lock may be damaged, misaligned, or failing to engage properly, preventing the machine from operating. Try inspecting the door lock for visible damage or attempting a hard reset by unplugging the machine for several minutes.

The E61 error indicates a problem with the door lock assembly or an electrical communication fault between the door lock and the control board. This prevents the machine from operating safely. Inspect the door lock mechanism for visible damage or obstructions, ensure the door closes fully, and check that the wire harness connectors to the door lock are properly seated.

This error indicates a communication failure between the washing machine's control board and the motor, preventing proper operation. The most common causes are loose wiring connections, a faulty motor, or a defective control board. Start by unplugging the washer for 5 minutes to reset the system, then check that all motor and control board connections are secure.

Error E63 on Siemens washing machines typically indicates either a blocked drain system or a faulty water level sensor. The most common cause is a clogged drain hose or filter preventing proper water drainage. Start by unplugging the machine and checking the drain hose for blockages, kinks, or damage, then inspect and clean the drain filter if accessible.

The washing machine's heating element has malfunctioned or the temperature sensor has failed, preventing the machine from heating water to the correct temperature. This is typically caused by an electrical fault in the heating element itself or a broken temperature sensor. DIY checks are limited and unsafe; professional inspection of the heating circuit and element replacement is usually required.

The washing machine's door sensor has not registered that the door is properly closed and latched. This is typically caused by a faulty door catch, misaligned door, or defective door latch mechanism. Check that the door clicks shut firmly when closed; if not, inspect the door catch for damage or debris and ensure the door is properly aligned.

The washing machine's heating element or heater relay circuit has failed, preventing the water from heating properly during wash cycles. This is typically caused by a faulty heating element, a defective heater relay on the control board, or damaged wiring and connectors. Check all wiring harnesses and connectors to the heater circuit first, as loose connections are sometimes the culprit.

The E67 error indicates a firmware failure or control module encoding problem in the washing machine's control board. This is typically caused by a corrupted firmware or a faulty control module that cannot communicate properly with the machine's systems. A basic fix is to unplug the machine for 10 minutes to reset it, but if the error persists, the module may need reprogramming or replacement by a technician.

The E68 error code indicates that one or more buttons on the washing machine's control panel are stuck or not functioning properly. This prevents the machine from operating normally as it cannot register button inputs correctly. Try gently wiggling each button on the control panel to free up any stuck mechanisms and restore proper function.

The washing machine's heating element or temperature sensor (NTC thermistor) has failed, preventing the water from heating during the wash cycle. This can also be caused by wiring or connection issues between the heating circuit and control board. Check that all connections to the heating element are secure; if the problem persists, the element or sensor likely needs replacement by a technician.

The E90 error indicates a communication problem between the user interface and the main control PCB (printed circuit board). This is typically caused by a faulty control board, loose connections, or wiring issues. A simple reset by unplugging the machine for 30 seconds may resolve the issue; if not, professional service is required.

The child lock feature on your Siemens washing machine is currently enabled, preventing normal operation. This is a safety feature designed to prevent accidental changes during a cycle. Simply deactivate the child lock using your machine's control panel to resume normal use.

The washing machine is unable to establish a proper water supply connection. This is typically caused by kinked inlet hoses, clogged filters, or loose water line connections. Check that both hot and cold water hoses are properly connected, not kinked, and that the water supply valves are fully open.

The END display message typically appears when the washing machine has completed its cycle normally—this is not a fault condition. In some cases, it may also indicate the machine has detected an unbalanced load and paused the cycle. If the machine is stuck on this display, try power cycling by turning off the breaker for a few moments to reset it.

The F43 error indicates that the motor's carbon brushes have reached the end of their service life and need replacement. This is a common wear item in washing machine motors that degrades over time with normal use. While DIY replacement is possible with new spare parts, it requires careful disassembly and should be approached cautiously.

The washing machine is not displaying an error code or has stopped responding, often caused by a control panel malfunction, child lock activation, or power supply issue. Common causes include loose connections, burnt components on the control board, or accidentally activated child lock. Try hard resetting the machine by holding the power button for 3-5 seconds, or check if child lock is engaged by pressing and holding the start button until you hear a beep.