1-phase Multiplus II 5000 (Firmware V556) Cerbo Firmware V3.66 DESS in green mode In the last few weeks I have seen unwanted behavior from the DESS. This happens about one hour before, during, or just after selling power. The Multiplus goes into a kind of standby mode and starts taking power fr…

I do see that DESS (trade mode) stops charging every 15 minutes around 8 minutes pass. [image]

Can anyone explain why not every 15 minutes but every 7:30 the target SOC is changed? And why this SOC isn’t increasing all the time but also makes steps down? Is screenshot the real SOC, target SOC and charge current. Clear to see that the system follows target SOC and it stops charging. Is thi…

This is the moment where trading switched to 15 minutes. Think I ran there a newer (not beta) firmware or VRM changed. [image]

Hello Ron, I’ve followed your information and also checked myself what the SOC Target for currently active auto operation shows in my installation (in Greenmode). Below is the data from 2025-09-29. As I see it now, the state of charge was 39%, the same as the SOC target. Because of this, the ins…

I run trade mode. What I see is that the SOC target steps now are not in 15 minutes but in 7.5 minutes. And in the steps in-between I often see a step opposite that what I would expect. And this causes stopping charging when charging phase is expected or sometimes I do even see discharging betwee…

DESS is showing strange behavior around the electricity sales time block(s)

Q&A and troubleshooting DESS

ron_h 2 October 2025 10:59 7

Can Victron staff please look at this issue???
Now trading steps are in 15 minutes the wrong steps in between these 15 minutes are quite annoying!

DESS: charging goes through 15 minute cycles

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DESS is showing strange behavior around the electricity sales time block(s)

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