Em24 disappears in device list and system goes in passthru mode

[robmeerwijk]

Hi, I have a very similar problem with my CG EM340. Except that my grid meter returns within a few seconds and my meter is connect via USB-modbus. Could you take a look and see if you find an error message in “Console | Services | Modbus/TCP”?

External grid meter dissappears frequently while charging causing Passthru mode

During charging my 3-phase MPII 5000 system switches frequently to Passthru mode. There seems to be a relation between SoC and occurances. This starts to happen more often when the SoC increases. It can happen as often as 30 times per charging cycle. When debugging this issue I used Node-RED for alarming me. I found that it happens when the connection with my external Grid Meter is lost. This is a CG-EM340. The grid meter works fine otherwise. So I made an alarm in Node-RED for a frozen power …