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v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Component LED
Description
IMM heartbeat LED
Indicates the status of the boot
process of the IMM.
When the server is connected to
power this LED flashes quickly to
indicate that the IMM code is
loading. When the loading is
complete, the LED stops flashing
briefly and then flashes slowly to
indicate that the IMM if fully
operational and you can press the
power-control button to start the
server.
PCI slots error LEDs
An error has occurred on a PCI bus
or on the system board. An
additional LED is lit next to a
failing PCI slot.
H8 heartbeat LED
power-on and power-off
sequencing.
power supply LEDs
The following minimum configuration is required for the server to start:
v One microprocessor
v One 1 GB DIMM
v Power supply
v Power cord
v ServeRAID SAS/SATA adapter
v System board assembly
The following illustration shows the location of the power supply LEDs:
64
ThinkServer TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530: Hardware Maintenance Manual
Action
If the LED does not begin flashing within 30 seconds
of when the server is connected to power, complete
the following steps:
1. (Trained service technician only) Rerecover the
firmware (see "Recovering the UEFI firmware" on
page 259).
2. (Trained service technician only) Replace the
system board.
1. Check the system-event log for information about
the error.
2. If you cannot isolate the failing PCI card through
the LEDs and the information in the system-event
log, remove one PCI card at a time, and restart the
server after each PCI card is removed.
3. If the failure remains, go to http://
www.lenovo.com/support for additional
troubleshooting information.
1. If the LED flashes at 1Hz, it is functioning
properly and no action is necessary.
2. If the LED is not flashing, (trained service
technician only) replace the system board.
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