DEC a-Series Installation And Setup Manual page 31

Table 3-1: System Troubleshooting
Problem
Power indicator not on.
Possible Cause
System is not plugged in.
System is not turned on.
No power at the wall outlet.
Internal power supply
cables not reconnected after
installing options.
Power supply failure.
Correct voltage not set.
Fans not connected.
Fan vents blocked.
Power switch cable not
plugged into riser card.
Troubleshooting
Action
Plug the system in, and then turn it
back on.
Push the power button.
Use another wall outlet.
Reconnect power cables.
Contact your service representative.
Unplug the system, set correct voltage
on system back, and turn system back
on. (NOTE: The power supply may
have been damaged.)
Connect fans to the riser card.
Remove obstruction from fan vents.
Plug front-panel power switch cable
into the riser card.
Installation and Setup Guide 3–3