How a washing machine door lock works, how to test interlocks

Tired of a washing machine door stuck shut? This video offers a deep dive into the inner workings of door locks and how to diagnose and fix common issues.
*In this video, you'll learn:

How washing machine door locks work: Explore the mechanics and electrical components behind the lock, including the bi-metal strip, PTC heater, and locking pin.
Testing your door lock: Discover safe and effective methods to test the lock's functionality using a multimeter and understanding wiring diagrams.
Troubleshooting common problems: Identify potential causes of a malfunctioning lock, such as a faulty bi-metal strip or distorted plastic parts.
Repair solutions: Gain insights into fixing the lock yourself, including replacing damaged components.
Bonus:

Shop for replacement parts: Easily find the correct door lock for your washing machine model through the provided links.
Access additional resources: Explore comprehensive tutorials on door lock replacement and tips for dealing with a stuck door.
Don't let a faulty door lock disrupt your laundry routine! Watch this video today and gain the knowledge and confidence to diagnose and fix the problem yourself.

🛒 * Washing machine door locks
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🎥**Tutorial:* http://www.how-to-repair.com/help/how...


Washing machine door locks really only get 3 major faults

The points between live and common fail in some way.
The NTC heater or bi-metal strip fail.
The plastic gets to hot and distorts inside the lock causing it to jam.

Washing machines must have some way in which you can lock the door closing mechanism when the machine is started up and then unlock them with a certain delay (normally two minutes) after the current has switched off via the program or on/off switch, in order to ensure that the door cannot be opened while some of the components are still rotating initially (in particular the motor and the drum of the spin-dryer).
When you shut the door, the latch on the door pushes inside the door lock onto a sliding bar which moves over and activates an electrical part inside which locks the door shut. At the same time, power is passed through the interlock on to the rest of the machine. The actual latching shut of the door is a simple spring-loaded mechanism where the latch just slips into the door catch and the door stays closed. Locking the door is a separate process.


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