IBM 8668 Hardware Maintenance Manual - Page 86
Hazardous voltage, current, and energy levels are present inside any
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CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 Statement 8: CAUTION: Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. 2. Disconnect the internal power supply cables from the system board and media devices. 78 Hardware Maintenance Manual: xSeries 232, Type 8668
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