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Sid, it says LCD 1.2r2 and CPU 1.2r2 Sys mode 2
Ugh....that's likely the problem.
In short, there's an internal "FET current limit setting" that apparently was not correctly configured at setup time due to the firmware version--and the current limit appears to be effectively at zero as a result. In other words, what should be the "surge peak ceiling" is at zero, triggering on a little heat gun.
I can fix this with a Tech update; the inverter will need connected to WiFi first.
@sid-genetry-solar Sid, inverter is connected. Assume you have the m DNS name.
Sid, see update is available rev5 updating now.
Update to GS Rev. C • 1.2r5 completed Tested heat gun, tripped immediately "ERR low output"
Ran test again with 20 amp /240 input on, pass thru : Tripped on "ERR low output"
@sid-genetry-solar Sid, inverter is connected. Assume you have the m DNS name.
I do not...but the mDNS name is only for your local network. It's not a global/"remote" thing. In other words, I can't remotely update your inverter; that's a safety thing, where any update must be initiated while at the actual hardware.
I'm glad the update process was easy; however, the issue is that the inverter was setup with the older firmware version, and the internal current limit setting was set incorrectly at that time. That's why the update to the latest r5 isn't solving the issue. I'll have to get you a specific Tech update to fix that issue...which requires a bit of coordination ;-).
So the Tech update procedure is as follows:
- you'll need to set the "Update Branch" on the WiFi tab to "Tech."
- Send me a message indicating the inverter's on, connected to WiFi, and set to "Tech."
- After getting the message, I'll send the specific Tech update to the server. (It'll be 1.2r5--the same version, just with the fix to rewrite the misconfigured setting. And yes, I've tested it on my bench!)
- After I send the update, you'll see the inverter "Update" line go to "Get 1.2r5"
- you'll be able to download and install the update
- Fingers crossed that solves the issue.
Update sent to server....
@sid-genetry-solar 2nd update you send was installed. Did not fix it, same ERR low output
@sid-genetry-solar 2nd update you send was installed. Did not fix it, same ERR low output
Something fishy is going on then. I'd like to try to figure out what's going on via video call, if that's an option for you.
Will PM you.
Worth mentioning, i have encountered the "Output Low" error on rare occasion. Hard to say if this is related to r5 or not. It seems to happen when the battery bank voltage dips significantly (LiFePO4 charge-floor), but it hasn't happened enough times to be sure that's related.
I have never seen the error
What's your battery setup
Oh, well that error was a bit of a plague for a while, triggered by typical powerline recloser activity. It only applies to systems with AC-Input. It was originally resolved by r2 IIRC.
More recently (i think since i upgraded to r5) i've encountered it - but only on a couple occasions i can think of. Both of them were during periods of unusually low voltage - around 24.8 or so. So it might possibly be happening when the voltage is dropping very rapidly due to the charge-floor of LiFePO4.
My battery setup is LiFePO4 in 3 x 2 x 200A@12v.
Worth mentioning, i have encountered the "Output Low" error on rare occasion. Hard to say if this is related to r5 or not. It seems to happen when the battery bank voltage dips significantly (LiFePO4 charge-floor), but it hasn't happened enough times to be sure that's related.
When this happens, can you post a screenshot of the "DVLT" and "DAMP" oscilloscope channels before resetting the inverter?
@steve 5 - 48v 100AH SOK LiFePho @100% 53.9volts at the time.