This site is now in read-only archive mode. Please move all discussion, and create a new account at the new Victron Community site.
i have a false error 38 code it says pv shut down but strangely my (low) consuption is currently comming 100% from solar, thus the pv pannels cant be shut down... what am i seeing wrong ?
attached a screenshot of the vrm with the alarm but also the production and consumption of energy.
you can cleary see the grid and batteries are not participating but only PV and in house consumption
Is this a new system?
If it is not have you recently updated any firmware?
You can manually clear the alarm in the alarms section. But we do need to investigate why it triggered. There are a few reasons why it does.
It’s relative new installation. Running since about 1 month. I updated firmware about 4 weeks ago.
I’ve had issues with JBD BMS since the beginning but that’s another topic. I think…
The alarm is cleared, that I now by now as BMS creates alarms every day… ;-(
But the reason for my initial question is why and how the alarm situation kept being displayed and the reality clearly showed no faulty situation as PV kept delivering amps to my system.
Could this be caused bu an error in the BMS even when the BMS was not operating at this exact moment. No amps in or out the battery as shown on the VRM screenshot…
The causes are listed in the above link. You would need to work through them and your settings to see. The mppt is reading up a voltage higher than it should/is programmed for on the battery terminals.
It can also be caused by a contactor opening momentarily on the battery side if you bms has one. Also by setting an equalisation voltage (yes i know lifpo4 does not equalise) but guys who set the voltage anyway there and it can trigger a false alarm.
Check your cell min and max values and your ccl and dcl.
