![background image](http://html2.mh-extra.com/html/quantum/dxi4700/dxi4700_user-manual_3524678381.webp)
Chapter 12: Troubleshooting
Common Problems and Solutions
Quantum DXi4700 User’s Guide
381
Table 1:
Hardware Problems
Problem
Corrective Action
The system
does not
power on.
Make sure the power cords are connected to a grounded electrical outlet and the power switches
located on the back of the power supplies are on. If the problem persists, contact your Quantum
Customer Support representative to arrange for service (see
Getting More Information or Help
).
One power
supply is not
functioning.
Determine which power supply has failed by observing the fault LED on the power supply.
Contact your Quantum Customer Support representative to arrange for service (see
).
Both power
supplies are
not
functioning.
Determine which power supply has failed by observing the fault LED on the power supply.
Contact your Quantum Customer Support representative to arrange for service (see
).
One fan is not
operating.
Determine which fan has failed by reading the service ticket generated by the system. Contact
your Quantum Customer Support representative to arrange for service (see
).
Multiple fans
are not
operating.
Caution:
Turn the system off immediately! The system will overheat with multiple fans not
operating.
Contact your Quantum Customer Support representative to arrange for service (see
).
A hard drive is
not
responding
Determine which drive has failed by observing the fault LED on the drive carrier. Contact your
Quantum Customer Support representative for a drive carrier replacement (see
).
A SAS cable
is removed
during normal
operation.
The system will shut down as soon as it recognizes the problem. There is a potential for data
loss.
Power off the system, re-insert the SAS cable and restart the system. Depending on the state of
the system when the SAS cable was removed, a long-running, mandatory data verification may
occur.