What if mahjong machine doesn't play?

First of all, see if the card you can't get on every time is the same card. The high probability should be this question. If it is the same card, then the mahjong card has lost its magnetism or been changed. If not, there is something wrong with the machine. Whether it's cards or mahjong machine. The best way is to find a mechanic to repair it at home. Find a place nearby to repair mahjong machine, and ask the master to come and maintain it. Or you can find a repairman in 58 cities. Or the motherboard card is broken. 1. Check to see if something has fallen in, causing Kaka to get stuck. You can remove the molding and open the panel for viewing. If something gets stuck, take it off. 2. If it is not due to physical reasons (stuck, stuck pushing parts, deformation, etc.). ).), it is possible that the motherboard is broken. Hold down four dice keys at the same time. After hearing the beep, release the dice when flashing, etc. , and then switch the power supply again to see if it can run normally. 3. If all the above methods fail, there are many reasons why you can't play cards. It is recommended to find a local after-sales master to solve it. Other faults of automatic mahjong machine and their solutions: 1. Mechanical business card printing speed is slower than 80 seconds. Reasons: The magnetic ring position is not in place, the rubber strip of the turntable is scattered, the triangle block spacing is adjusted, the card feeding device is adjusted, the flop lever is adjusted, the magnetic separator and the turntable are adjusted up and down, the head speed is abnormal, the shuffling spring of the transfer slot is useless, and the turntable speed is ahead of the magnetic ring. 2. The chain rod is stuck in front of the card pusher. Reasons: the reciprocating sensitivity of the four-way clamping rod, whether the top of the four-way clamping plate is loose, whether the tension spring is loose or whether the microswitch is insensitive. 3. Causes of die sticking: the stroke position of the die and transmission groove is adjusted, the optical coupling function of the groove is not good, the photosensitive interval of K 1 die sensor is too long, the photosensitive induction interval is 10mm, the motor gear is damaged, and the die stacker and the road slab do not yield. Position adjustment of head baffle and push plate, the slide block of push plate is not sensitive, the push plate is not in place, and the stainless steel pressure plate is just too low.