MB USER on amber on SUN NETRA 240

[vij]

i am observing AMBER LED on for MB USER on SUN NETRA 240. How to cancel this as there are no faults found on server.

System PROM revisions:
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OBP 4.22.19 2006/09/06 23:44 Sun Fire V210/V240,Netra 210/240
OBDIAG 4.22.19 2006/09/06 23:57

Keyswitch:
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Location Keyswitch State
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MB SYSCTRL NORMAL
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Led State:

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Location Led State Color

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MB ACT on green

MB SERVICE off amber

MB LOCATE off white

PS0 ACT on green

PS0 SERVICE off amber

PS0 OK2RM off blue

PS1 ACT on green

PS1 SERVICE off amber

PS1 OK2RM off blue

HDD0 SERVICE off amber

HDD0 OK2RM off blue

HDD1 SERVICE off amber

HDD1 OK2RM off blue

MB CRITICAL off red

MB MAJOR off red

MB MINOR off amber

MB USER on amber <-----------------