Sun Fire T1000 is not getting power on

Hi,

We have sun Fire T1000 server that is not getting power on. We have performed following steps. We do not see any faults. We need your assistance to proceed on this. Thank you.
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sc>clearasrdb
sc>resetsc
sc> showfaults -v
No failures found
sc>
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sc> showhost
SPARC-Enterprise-T1000 System Firmware 6.3.12  2008/04/06 15:50

Host flash versions:
   Hypervisor 1.3.4 2007/03/28 06:03
   OBP 4.25.12 2008/03/23 13:27
   POST 4.25.12 2008/03/23 13:53
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