How to maintain the unmanned self-service vending machine?

How to maintain the unmanned self-service vending machine?　　 An important step in the use of unmanned self-service vending machines is its daily maintenance. Generally, its daily maintenance mainly includes the following items: 　　 1. Regular dust on the back and bottom of the machine to improve the heat dissipation effect.　　 2. Check whether the change coins, banknotes, and goods are sufficient and replenish the change coins, banknotes and goods in time, and check whether the keys, the return button are working properly, and whether the fasteners are loose. 3. Coin recognizer: Coins are easily stained during the circulation process. When the stained coins pass through the coin channel of the vending machine, it will stain the channel over time. If the dirt is too serious, it will cause the vending machine The performance of coin selection, change, and refund of coins is abnormal. Therefore, in order to maintain the good performance of the coin recognizer, the passage of the coin recognizer should be wiped at least once a month. Do not wipe with gauze moistened with hot water. Use a dry cloth or a slightly moistened cloth.　　4. Regularly check whether the door locks, mechanical parts, and gears work smoothly. Previous post: Three payment methods for self-service vending machines