Lenovo NetVista Hardware Maintenance Manual (HMM) for NetVista 6832 and 6833 s - Page 95
Power Supply, When The On/off Switch Is Pressed? Yes
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Power Supply 001 - START • Power off (unplug) the system unit. Check the power cord for continuity. Replace if necessary. • Check for the correct line voltage from the power outlet, and verify that the voltage selector switch (if present) is set to the correct voltage. • Power on the system unit. 002 - DOES THE POWER SUPPLY FAN RUN? (YES, GO TO STEP 003. NO, GO TO STEP 004.) 003 - DOES THE SYSTEM FAIL TO SHUT OFF WHEN THE ON/OFF SWITCH IS PRESSED? (YES, READ AHEAD. NO, GO TO STEP 005.) • You might have a damaged on/off switch cable assembly. • Disconnect the on/off switch cable assembly connector from the power supply connector and take an ohm reading. • Go to step 007. 004 • Disconnect the power cord from the back of the system unit. • Disconnect all power and switch cable connectors from the system board and the power supply. • Disconnect the power connectors to all drives. • Connect any one of the power connector to system board or drive as power load for driving up power supply. • Reconnect the power cord and turn on the power supply. Check Procedures 63