Dana, I'm the one feeling like an idiot. Turns out the ground fault fuse
was blown in a brand new controller. I did't have my
meter with me to test the fuse and had to go back the next day. I had a
good fuse in the 2nd controller not yet hooked up so
I could have borrowed that one and had the sy
enches
*Sent:* Thursday, March 13, 2025 6:31 AM
*To:* RE-wrenches
*Cc:* Dana Orzel
*Subject:* Re: [RE-wrenches] Arc Fault problem in FM100
It’s the same fuse as in a Flluke 87 😎
Dana Orzel - d...@solarwork.com - 208.721.7003
On Mar 12, 2025, at 8:13 PM, John Blittersdorf via RE-wrenches <
re-wr
It’s the same fuse as in a Flluke 87 😎
Dana Orzel - d...@solarwork.com - 208.721.7003
On Mar 12, 2025, at 8:13 PM, John Blittersdorf via RE-wrenches
wrote:
Dana, I'm the one feeling like an idiot. Turns out the ground fault fuse was
blown in a brand new controller. I did't have my
meter wi
Pull the ground jumper in the FM100.
Double check all terminal connections in the Power center related to the FM100.
Do the pull test carefully,
I once missed tightening a neutral that was passing current & then not. I
finally heard a slight crackle sound as I turned the array input & battery
br
John, Wrenches,
Did you install and wire the FM100, Here is what l have found, wires not
stripped back far enough and the fasteners screwed down hit the insulation
and the wire will arc on the terminal causing an arc fault and shutting
down the CC
Fun times
On Fri, Mar 7, 2025, 8:17 PM John Blitte
Hello Wrenches,
I just fired up a new off grid solar array with the FM100 arc fault
version. RIght off I got the
arc fault/ground fault red light. It was the end of day with 145 V from
the array but no current. Question is, if I want to disable the function,
will simply not passing wires thr
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