Lenovo THINKSERVER 3821 - Manual (Page 59)

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Redundancy Cooling Zone 3 has
been reduced. Error Redundancy has been lost
and is insufficient to continue
operation. 1. Make sure that the connector
on fan 3 and fan 6 (if
installed) is not damaged.
2. Make sure that the fan
connectors on the system
board are not damaged.
3. Make sure that the fan cage
is correctly installed.
4. Reseat the fan.
5. Replace the fan.
Sensor RAID Error has transitioned
to critical from a less severe state. Error A sensor has changed to
Critical state from a less
severe state. 1. Check the hard disk drive
LEDs.
2. Reseat the hard disk drive for
which the status LED is lit.
3. Replace the defective hard
disk drive.
The Drive n Status has been
removed from unit Drive 0 Status.
(n = hard disk drive number) Error A drive has been removed. Reseat hard disk drive n.
(n = hard disk drive number)
The Drive n Status has been
disabled due to a detected fault.
(n = hard disk drive number) Error A drive has been disabled
because of a fault. 1. Run the hard disk drive
diagnostic test on drive n.
2. Reseat the following
components:
a. Hard disk drive
b. Cable from the system
board to the backplane
3. Replace the following
components one at a time, in
the order shown, restarting
the server each time:
a. Hard disk drive
b. Cable from the system
board to the backplane
c. Hard disk drive backplane
(n = hard disk drive number)
Array %1 is in critical condition.
(%1 = CIM_ComputerSystem.
ElementName) Error An array is in Critical state.
(Sensor = Drive n Status)
(n = hard disk drive number) Replace the hard disk drive that
is indicated by a lit status LED.
Array %1 has failed.
(%1 = CIM_ComputerSystem.
ElementName) Error An array is in Failed state.
(Sensor = Drive n Status)
(n = hard disk drive number) Replace the hard disk drive that
is indicated by a lit status LED.
Chapter 5. Diagnostics 51