Daewoo DWD-E1200R S, Svc Manual, Page: 30 / 64

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2-3. DOOR S/W
1) The working principle of Door S/W
1
Door Locking
Bimetal on ( 3 sec) --> solenoid (supply 20msec pulse 2 times)
2
Door Unlocking
Bimetal off --> solenoid (supply 20msec pulse, until unlock)
3
After door locking, all parts can work normally.
4
After pressing power button, if the temperature of wash thermistor is over 50°C or the water level is
over the safety level, the door will be locked.
6
The door will be unlocked immediately after all processes are finished.
7
The door can be opened during processing if there is no problem to unlock.