How to solve the problem of dc motor controller be affected with damp be affected with damp

Dc motor controller in use, once appear, be affected with damp be affected with damp, will lead to the normal operation, so as to cause a short circuit to burn out machines. So, how to deal with this? Welding machine drying method: first of all, before the operation will be affected with damp be affected with damp winding motor controller of a terminal together, and the chassis ground, thus three heating drying to deal with dc motor controller be affected with damp be affected with damp. External heat source heating method: for motor controller has be affected with damp be affected with damp, first of all, it will be removed to check, and then put high-power incandescent bulbs in dc motor controller inside the motor controller for baking, or will be dry inside the motor controller into the chamber. More than two ways of be affected with damp be affected with damp is dealing with dc motor controller, hope to help you.