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Troubleshooting
Isolating Causes
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Problem
Description
HWEvent
Category
LED
State
Status
Probable Cause/SolutionSAM STM
Installed disk
system does
not power on
none System
power
LED off
none none – Neither power cord is plugged in.
– The power switch is not pressed.
– AC breaker is tripped.
– AC power source has failed.
– The PDU/PDRU is defective.
– Power switch is defective.
– A faulty component is causing power
supplies to turn off. Remove all
components and reinsert one at a
time until the faulty component is
isolated.
Installed disk
system beeps
when
powered on
none System
fault &
both
LCC
Fault
LEDs on
none none Enclosure IDs on peer LCCs do not
match. Determine the correct Enclosure
ID and reset the ID on one or both
LCCs. Reinsert the LCC(s) with the
changed ID.
System fault
LED is on
none Power
supply
LED off
Power
supply Not
Available
Power
supply
Not
Available
– The power supply is not plugged in.
– The PDU/PDRU or primary power
source has failed.
Critical Part fault
LED on
Critical Critical A component has failed. See problem
descriptions below.
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