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StorageTek L180 and L700 DC Power Problems



 
 
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  #1  
Old September 14th 03, 07:21 AM
CHANGE USERNAME TO westes
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Default StorageTek L180 and L700 DC Power Problems

We buy a fair number of used L180 and L700 tape libraries, and we have
noticed a fairly large number of these systems have one of the two DC power
supplies dead. Opening these always shows a burn at exactly the same
transistor on the PCB. Recently we had a unit under test where the DC
power started to fail as well.

Have other users of these libraries experienced a high failure rate on this
component? Is there some know revision of this part that avoids this
problem?

--
Will
westes AT earthbroadcast.com


  #2  
Old September 16th 03, 06:29 AM
Scott
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"CHANGE USERNAME TO westes" wrote in
message ...
We buy a fair number of used L180 and L700 tape libraries, and we have
noticed a fairly large number of these systems have one of the two DC

power
supplies dead.


"CHANGE USERNAME TO westes" wrote in
message ...
On both the StorageTek L180 and L700 tape libraries, I have noticed that

if
the library is run in an environment with a high ambient temperature (over
about 80-to-85 degrees), you start to get problems with tapes getting

stuck

Sounds like you need to check the environment you are purchasing used units
from. We have 8 L700s and 2 L180s, and the only failures we have experienced
in 3 years are DLT drive failures, but those are pretty much expected over
time. Admittedly we run them in much more resonable ambient temeratures
(~70-74F). If your ambient room temperature is 80-85 degrees, then the
internal temps may be exceeding the 90 degrees the library is spec'ed t
(according to the on-line data sheet).




 




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