Is the metal roof grounded? Just a fast thought.
bob From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco Mangelsdorf Sent: Thursday, March 13, 2014 10:31 PM To: 'RE-wrenches' Subject: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof Friends, We have run across an odd technical problem at our commercial install at a laundromat on our island. Attached is the description of the issue from SMA. We don't know much except that we are switch out the TL inverters to the old style US inverters because SMA has no fix for the phantom ground tripping. The issue is beyond our feeble understanding. Any observations to share? Thanks, marco _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14 _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14
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