寻找紧急出口或紧急开门按钮。
Step 5: Look for an emergency exit or emergency door release switch.
当电梯停下而门不开时，按开门按钮。
If the doors do not open when the elevator stops, push the door open button.
电梯主控制箱必须能够稳定地检测轿厢按钮(开门按钮及楼层呼叫按钮)的持续压力，以便消防员能够控制整个电梯。
The Main lift controller must steadily monitor the continuous pressure of the car push-buttons (open door and floor call push-buttons), performed by the Fireman controlling the installation.
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