If you’ve found yourself staring at your Samsung washer’s display and noticed Error Code 21C, don’t panic—this usually means your washing machine has detected a stuck button on its control panel.
While this issue might seem intimidating, you’re certainly not alone. Many local homeowners run into this problem, and there are a few simple fixes you can try before reaching out for emergency repair.
This error typically pops up when the washer thinks a button on its main panel is being pressed continuously.
It might be a genuine hardware issue or simply a bit of debris or moisture messing with the contact points.
Either way, a stuck button can halt your laundry plans, which is the last thing anyone needs on a busy day.
Before calling in the pros, you might want to try these fast troubleshooting steps:
1. Unplug and Reset
First, turn off and unplug your washer for about five minutes. This simple reset can sometimes clear up temporary glitches, giving the machine a fresh start.
2. Check the Buttons for Sticking
Look closely at each button on the control panel. Press them one by one—does any feel stuck or sticky? If so, try gently wiggling or cleaning around it. Sometimes, detergent residue or a bit of grime is all it takes to cause a false alarm.
3. Clean the Panel
Using a slightly damp cloth (never wet), gently clean the control panel to remove any dirt or spilled detergent. Avoid using too much water, as moisture can actually cause more issues.
4. Inspect for Damage
If you spot any obvious cracks, warping, or damage to the control panel, it’s best not to force anything further. That’s a job for a professional technician.
If you’ve tried all of the above and the error won’t budge, it may be time to contact a local Samsung washing machine repair service.
There could be an internal electrical issue or the control board itself might need attention.
The good news? Our Express Repair team offers same day and emergency service near you. Whether your washer is completely unresponsive or you simply don’t want to risk making things worse, we’re here to help.
Plus, we offer a free service call with repair, so you only pay if we actually fix the problem. Need help right away? Book online and get $25 off your repair.
We understand how disruptive a broken washer can be, especially when you’ve got a busy household.
That’s why our technicians live and work right in your area—we’re truly local.
We’ll aim to get your machine up and running on the very same day you call, so you can get back to your routine without delay.
Samsung’s 21C error code can be frustrating, but often it’s a fixable issue. Try a reset, inspect for stuck buttons, and let the control panel dry out. But if it persists, don’t stress—Express Appliance Repair is ready to step in.