※ Dual safety door lock.
※ Non-operation mode of unit when the door is not properly closed or secured.
※ Over heat cut-off switch.
※ Safety valve.
※ Pressure control switch.
※ Water filling detection time
※ Door unlock reminder.
※ Low water warning buzzer sound.
※ Breaker switch (non-fuse type).
※ Emergency exhaust switch.
※ Over heat / over pressure indication light.