Wrenches,I recently inspected a system I installed in 2010, because the owner 
commented that it appeared the frost wasn't melting off of one particular 
module as it was from the others.  Turns out the module glass is shattered.  
There are no obvious (that i can see) impact points, leading to the question... 
Why did the glass shatter?
I don't want to just assume, but if there is no sign of impact, I'm wondering 
if this could be a warranty issue?  Frame expansion/contraction due to 
temperature swing maybe?
Any experiences, thoughts or advice?
Module is a Sanyo HIT N215A01
Thanks,
benn kilburn
Construction Electrician (NOC7241) Solar Photovoltaic Systems 
CertifiedCertificate # 0007S
DayStar Renewable Energy Inc. benn@daystarsolar.ca780-906-7807 HAVE A SUNNY DAY



                                          
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