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If your Samsung washing machine won’t start, turns on but does nothing, or stops immediately after you press Start, this guide covers every common cause and fix — in the right order to diagnose quickly.
Samsung washing machine not starting — quick diagnosis
Work through these in order. The most common causes are at the top:
1. Child lock is activated
The most frequently missed cause: if the control panel is unresponsive or buttons don’t respond, child lock is almost certainly on. Look for a lock symbol or “CL” on the display. To deactivate: hold the child lock button (or button combination — varies by model, usually two buttons held for 3 seconds) until the lock symbol disappears. Check your manual for your specific model’s combination.
2. Door not properly closed (front-loaders)
Samsung front-loaders won’t start unless the door fully latches — you should hear a distinct click. Push the door firmly closed. Check for clothing caught in the door seal preventing full closure. If the door closes but the machine still won’t start, inspect the door latch for damage.
3. Lid not closed (top-loaders)
Samsung top-loaders have a lid switch safety interlock. The lid must be fully closed. Check that nothing is preventing the lid from closing completely.
4. Power supply issue
The machine appears to have power (display lights up) but won’t start — or it doesn’t power on at all. Check: the power cord is fully plugged in, the socket works (test with another appliance), and the MCB/fuse for that circuit hasn’t tripped. Samsung washing machines require a stable voltage supply — an under-voltage condition from a generator or unstable mains can prevent startup.
5. Water supply not connected or tap closed
Samsung machines check for water availability before starting the drum. If the inlet tap is closed or the pressure is too low, the machine may appear to start then immediately stop. Ensure the tap is fully open and the inlet hose isn’t kinked.
6. Delayed start is set
If Delay End or Delay Start was set previously, the machine won’t start immediately — it’s waiting for the scheduled time. Cancel the delay by pressing and holding the Delay End button or switching the machine off and on.
7. An error code is showing
If an error code is displayed, the machine won’t start until the fault is addressed. Common codes that prevent startup: 4C (no water), 5E/5C (drain blocked), DC/UB (unbalanced), dE (door error). See our Samsung error code guide for the fix for each code.
How to reset a Samsung washing machine
If the machine is unresponsive after checking the above:
- Power off the machine (hold the Power button)
- Unplug from the wall for 90 seconds
- Plug back in, power on and select a programme from scratch
This clears the machine’s memory and resolves most “stuck” states. See our full Samsung reset guide.
When it needs a technician
If the machine doesn’t start after all the above checks and a reset, the fault is likely internal — a failed control board, door switch or motor. Call Samsung customer care at 1800-40-SAMSUNG (7267864) to book a service visit.
Considering an upgrade?
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Frequently Asked Questions
Why won’t my Samsung washing machine start?
In order of likelihood: child lock activated, door/lid not properly closed, power supply issue, inlet tap closed, delay start set, or an error code requiring resolution. Work through these in order.
How do I turn off child lock on Samsung washing machine?
Hold the child lock button (or two-button combination specified in your model’s manual) for 3 seconds until the lock symbol disappears. See our child lock guide for model-specific combinations.
The bottom line
Samsung won’t start — check child lock first (most common missed cause), then door closure, then power supply, then water tap, then delay start setting, then any displayed error code. If all clear and still won’t start: unplug for 90 seconds and reset. Only a persistent failure after all these checks points to an internal fault needing a technician.