Hi I notice when my MP2 is charging from shore power, the AC output chart shows negative power, and also the DC system (smartshunt) chart shows a spike of extra load that isn’t real, ie my DC loads dont change during this charging period, but it measures more like 200-250W instead of the normal 50W-60W. When charging stops, it goes back to normal.
Could this be some kind of wiring error?
My MP2 doesnt have the 3.5mm jack. Also I dont think this matches my scenario, the issue only happens during charging and includes the odd DC system load.
Are you using an external CT at all?
No external CT. The jumper block is in place.
Would love some further input on this issue if anyone has any ideas how the MPII could be reporting negative AC output power, but only while charging. Here are some screen grabs of dbus-spy readings taken while charging. Any other parameters I could be monitoring?
