IBM 2256 User Manual
Power Supply Errors
If the power-on indicator is not on, the power supply fan is not running, or the
computer will not power-off, use the following procedures.
computer will not power-off, use the following procedures.
Check/Verify
FRU/Action
Check the following for proper installation.
v Power Cord
v On/Off Switch connector
v On/Off Switch Power Supply connector
v System Board Power Supply connectors
v Microprocessor(s) connection
v Power Cord
v On/Off Switch connector
v On/Off Switch Power Supply connector
v System Board Power Supply connectors
v Microprocessor(s) connection
Reseat
Check the power-on switch for continuity.
Power Cord
Check the power-on switch for continuity.
Power-on Switch
Chapter 6. Symptom-to-FRU Index
71