| 摘要 |
PURPOSE:To always keep the safety of an user by detecting a state where a power source line is not disconnected, and surely disconnecting the power source line, even if a door switch has trouble and the power source line is not disconnected, at the time of opening the door of a device main body. CONSTITUTION:This safety device has the door switch 22, further, a door opening/closing sensor 28 detecting the opening/closing states of the door 18, a power source detecting means 45 detecting the disconnection and connection of the power source line, a relay 49 for disconnecting the power source line when the door switch 22 has the trouble, and a display means 47 for executing a prescribed display to the user in each case that the relay 49 is operated and nonoperated. |
