Lenovo ThinkServer TD200x Hardware Maintenance Manual page 40

• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by
a trained service technician.
Message
Numeric sensor Ambient Temp going
high (upper critical) has asserted.
Numeric sensor Ambient Temp going
high (upper non-recoverable) has
asserted.
Numeric sensor Planar 3.3V going
low (lower critical) has asserted.
Numeric sensor Planar 3.3V going
high (upper critical) has asserted.
Numeric sensor Planar 5V going low
(lower critical) has asserted.
Numeric sensor Planar 5V going high
(upper critical) has asserted.
Numeric sensor Planar 12V going low
(lower critical) has asserted.
Numeric sensor Planar 12V going
high (upper critical) has asserted.
Numeric sensor Planar VBAT going
low (lower critical) has asserted.
Numeric sensor Fan n Tach going low
(lower critical) has asserted.(n = fan
number)
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ThinkServer TD200x Hardware Maintenance Manual
Severity Description
Error An upper critical sensor
going high has asserted.
Error An upper nonrecoverable
sensor going high has
asserted.
Error A lower critical sensor going
low has asserted.
Error An upper critical sensor
going high has asserted.
Error A lower critical sensor going
low has asserted.
Error An upper critical sensor
going high has asserted.
Error A lower critical sensor going
low has asserted.
Error An upper critical sensor
going high has asserted.
Error A lower critical sensor going
low has asserted.
Error A lower critical sensor going
low has asserted.
Action
Reduce the ambient temperature.
Reduce the ambient temperature.
(Trained service technician only)
Replace the system board.
(Trained service technician only)
Replace the system board.
(Trained service technician only)
Replace the system board.
(Trained service technician only)
Replace the system board.
Check the power-supply LED on
the EasyLED panel (see EasyLED
diagnostics).
Check the power-supply LED on
the EasyLED panel (see EasyLED
diagnostics).
Replace the 3 V battery.
1. Reseat the failing fan n,
which is indicated by a lit
LED on the fan.
2. Replace the failing fan.
(n = fan number)