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.
Numeric sensor Planar VBAT going
low (lower critical) has asserted.
Error
A lower critical sensor going
low has asserted.
Replace the 3 V battery.
Numeric sensor Fan
n
Tach going
low (lower critical) has asserted.
(
n
= fan number)
Error
A lower critical sensor going
low has asserted.
1. Reseat the failing fan
n
, which
is indicated by a lit LED on
the fan.
2. Replace the failing fan.
(
n
= fan number)
The Processor CPU
n
Status has
Failed with IERR.
(
n
= microprocessor number)
Error
A processor failed - IERR
condition has occurred.
1. Make sure that the latest
levels of firmware and device
drivers are installed for all
adapters and standard
devices, such as Ethernet,
SCSI, and SAS.
Important:
Some cluster
solutions require specific code
levels or coordinated code
updates. If the device is part
of a cluster solution, verify
that the latest level of code is
supported for the cluster
solution before you update
the code.
2. Run the DSA program for the
hard disk drives and other I/O
devices.
3. (Trained service technician
only) Replace microprocessor
n
.
(
n
= microprocessor number)
An Over-Temperature Condition has
been detected on the Processor CPU
n
Status.
(
n
= microprocessor number)
Error
An overtemperature
condition has occurred for
microprocessor
n
.
(
n
= microprocessor number)
1. Make sure that the fans are
operating, that there are no
obstructions to the airflow,
that the air baffle is in place
and correctly installed, and
that the server cover is
installed and completely
closed.
2. Make sure that the heat sink
for microprocessor
n
is
installed correctly.
3. (Trained service technician
only) Replace microprocessor
n
.
(
n
= microprocessor number)
Chapter 5. Diagnostics
39
Summary of Contents for THINKSERVER 3719
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