If you have a washing machine with a display error and the door is locked, there are a few troubleshooting steps you can try to open the door:
Wait for a while: In some cases, the door may unlock automatically after a few minutes or if the washing machine's cycle has completed. Give it some time to see if the lock disengages.
Power cycle the machine: Turn off the washing machine and unplug it from the power source. Wait for a few minutes and then plug it back in. Turn on the machine again to see if the error clears and allows you to open the door.
Check for error codes: Look for any error codes or messages displayed on the washing machine's control panel. Consult the user manual to understand what the specific error code means and if there are any troubleshooting steps to resolve it.
Use the emergency release: Some washing machines have an emergency door release or manual unlock feature. It is usually a cord or lever accessible from the bottom or rear of the machine. Check the user manual or the manufacturer's website to see if your model has this feature and how to use it.
Drain the water: If the washing machine is full of water, it may not unlock the door until the water level is reduced. Check if there's a manual drain function on your machine or if there's a filter that needs cleaning to allow water drainage.
Contact customer support: If the above steps don't work, and you are still unable to open the door, it's best to contact the manufacturer's customer support or a qualified appliance repair technician for assistance. They can guide you through specific troubleshooting steps for your model or send a technician to diagnose and fix the issue.
Remember to exercise caution when troubleshooting appliances, especially if there's water involved, and ensure that the machine is unplugged before attempting any manual releases or repairs. If you're unsure or uncomfortable with any of the steps, it's best to seek professional help.