Locker induction lock without batteries how to open?

1, the battery is not charged cabinet door locked right, to use the spare battery box or use the emergency hole to open the lock can have, open immediately after the battery change

2, one may be the use of the hinge for a long time, the function of degradation needs to be replaced.

3, another is not installed accurately enough due to the door may be heavy, and the hinge is relatively small, which will cause the hinge is difficult to withstand the weight of the door and sound.

This will also make a sound similar to the sound of insufficient power when it is difficult to open.