Troubleshooting: The main damage to the water supply board and the board, these parts are damaged, the camera can not be switched. If the camera is water, immediately remove the four AA batteries, button batteries inside the machine and put it immediately removed to prevent malfunction powered scope. The camera is part of the base power conversion board, the 4.3V DC step-up transformer via an inverter converts + +5 V,-5V, +3.3 V, +12 V several groups of power, the power board current, high heat, into easily damaged after water. If the power switch is damaged, you can replace, should be replaced using a hot air gun; If the protection boost manifold burned, it should replace the entire power conversion board.wzSservice manual download site