玛莉机退币故障原因、详细解决方案（Mary machine refund coin fault reason, detailed solution）.doc

玛莉机退币故障原因、详细解决方案（Mary machine refund coin fault reason, detailed solution） Mary machine refund coin fault reason, detailed solution Mary machine coin fault generally has the following situations: 1., the machine shows 31, JP lights are not bright, can not do any action 2., the coin is not counted, according to the currency key back a lot of money, but the score is not reduced. 3., each time more than 1-2 coins. After the refund, the score can be reduced normally, but always more than 1 or 2. 4. no refund. Press the coin key no response, the refund of the motor does not turn. Here is a detailed description of the above phenomena: 1., the machine shows 31, JP lights are not bright, can not do any action Coin magic eye back (the correct installation) Coin magic eye connected with small infrared two wire pipe should be inserted into the hole behind the motor, so as to board infrared tube and electric eye alignment. If the small switch selects the correct position, but the infrared tube is not properly installed, the machine will also display 31. If the small switch is placed below and the infrared tube is not inserted, the machine will show normal, but the coin will not count. There is no motor inserted into the infrared tube, as shown below: The Mary machine coin magic eye is installed correctly, the switch at the top, but still display 31, then you can change a good electric eye, usually excluded. But there are special circumstances, such as the computer board connected to the line through the electric eye, carefully check to. 2., Mary machine refund currency count, press the coin key to withdraw a lot of money, but the score is not reduced. As above, the dial switch small electric eye below, while infrared tube without plug holes in the motor, the fault only according to the above instructions to install. The Mary machine coin magic eye is installed correctly, the switch at the top, but still does not count, then you can change a good electric eye, usually excluded.