xv Maintenance and Inspection Disposal Other General PrecautionsCAUTION Do not attempt to disassemble or repair the Machine Controller.There is a risk of electrical shock, injury, or device damage. Do not change any wiring while power is being supplied.There is a risk of electrical shock, injury, or device damage. Suitable battery replacement must be performed and it must be performed only by an experi-enced technician.There is a risk of electrical shock, injury, or device damage. Replace the Battery only while power is supplied to the Basic Module.Replacing the Battery while the power supply to the Basic Module is turned OFF may result in lossof the data stored in memory in the Module. Replace the Battery only while power is supplied to the Machine Controller.Replacing the Battery while the power supply to the Machine Controller is turned OFF may result inloss of the data stored in memory in the Machine Controller. Do not touch the electrodes when replacing the Battery.Static electricity may damage the electrodes. Do not forget to perform the following tasks when you replace the CPU Unit/CPU Module:• Back up all programs and parameters from the CPU Unit/CPU Module that is being replaced.• Transfer all saved programs and parameters to the new CPU Unit/CPU Module.If you operate the CPU Unit/CPU Module without transferring this data, unexpected operation mayoccur. There is a risk of injury or device damage. Do not touch the heat sink on the CPU Unit/CPU Module while the power supply is turned ON orfor a sufficient period of time after the power supply is turned OFF.The heat sink may be very hot, and there is a risk of burn injury.CAUTION Dispose of the Machine Controller as general industrial waste. Observe all local laws and ordinances when you dispose of used Batteries.Observe the following general precautions to ensure safe application. The products shown in the illustrations in this manual are sometimes shown without covers orprotective guards. Always replace the cover or protective guard as specified first, and thenoperate the products in accordance with the manual. The illustrations that are presented in this manual are typical examples and may not match theproduct you received. If the manual must be ordered due to loss or damage, inform your nearest Yaskawa representa-tive or one of the offices listed on the back of this manual.
