Shelly Uni
- Thread starter Oldphile
- Start date
wpns
Solar Joules are catch and release
What’s the measured voltage drop across that SSR? Putting a high impedance in line with your RSD switch might make it look like an open circuit, which would indeed shut everything down.
What’s the actual setup and the actual problem you are experiencing?
What’s the actual setup and the actual problem you are experiencing?
I haven't measured it, but I'm well within the SSR specs. The problem is random arc faults reported by the Sol-Ark. The arc faults are always preceded by the TIGO optimizers not reporting any data for 5 minutes. I have TIGO premium monitoring with 1 minute sampling. TIGO is implying that the CCA is powered off taking the optimizers off line. I want to monitor voltage to the CCA to see if this is the case.
I only get 1 or 2 faults per week. I can't see the SSR being the cause.
I also had one instance this week when PV power plummeted to zero after 5 minutes of TIGO not reporting (off line) and Sol-Ark did not report an arc fault. In the attachment, TIGO didn't report between 1:03 and 1:08
I only get 1 or 2 faults per week. I can't see the SSR being the cause.
I also had one instance this week when PV power plummeted to zero after 5 minutes of TIGO not reporting (off line) and Sol-Ark did not report an arc fault. In the attachment, TIGO didn't report between 1:03 and 1:08
Attachments
teal95
Solar Enthusiast
Also having issues with arc faults on a SolArk 15k with TIGO optimizers. I had a fault tonight at 7:30. Sunset was around 6...
To me that's not the optimizers nor a real arc fault. That's an issue entirely with SolArk.
To me that's not the optimizers nor a real arc fault. That's an issue entirely with SolArk.
I've also had afterhours arc faults
2024-02-26 17:06:20
2024-02-12 22:32:09
I live in a rural area without any streetlights. Nearest lighting is someone's porch light 500' away.
I submitted a support ticket for these and got no response.
2024-02-26 17:06:20
2024-02-12 22:32:09
I live in a rural area without any streetlights. Nearest lighting is someone's porch light 500' away.
I submitted a support ticket for these and got no response.
wpns
Solar Joules are catch and release
If you are getting arc faults at night, check your AC connections. Mine worked themselves loose and burned up a wire because I ignored spurious arc fault errors. Now I have a yearly reminder to tighten all the connections.
Thanks. I didn't know the arc fault detection was for AC also.
RussNM
Solar Enthusiast
Hey.. you guys are really screwing up our
Chit Chat Zone (Non-Solar Discussion)!
Sheeeeeesh!Well Shelly isn't necessarily solar.Hey.. you guys are really screwing up our
Chit Chat Zone (Non-Solar Discussion)!
Sheeeeeesh!
RussNM
Solar Enthusiast
This part of the forum is (as far as I can tell) for insulting each other and letting off steam and getting on a soapbox and ranting and raving about stuff .... other than what this forum is intended.Well Shelly isn't necessarily solar.
I had a really bad fault day yesterday. 12 events, one reported as an arc fault. After the arc fault I turned it off. I'm lost. TIGO dismisses it. Sol-Ark is no help. I've gone back to the installer. They can either come out here and find the fault or fight with TIGO and Sol-Ark.
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