Either the cabinets weren t fastened to the wall studs the fasteners were inadequate for the task or you have no studs at all just a brick wall covered with plaster.
Kitchen cabinet doors falling off. This is a very common problem with an easy soloution. Tighten the screws while your helper holds the door in that position. My cabinet door was about to fall off until i found how to fix loose door hinges.
Kitchen cabinets are designed to carry a lot of weight but they must be securely fastened into wall studs to ensure that a catastrophe like yours doesn t happen. Kitchen cabinet doors don t always fit perfectly without some adjustments and over time they can become loose or misaligned. If the top hinge is loose push the door up and back to straighten the door.
The bottom hinge rarely goes bad because there s no pressure on it but if the screws are loose tighten them. This is how to fix damaged cabinet door hinges step by step. Luckily almost all kitchen cabinet doors have a set of screws and hinges that are easy to adjust when you know what you re doing.