question

Thomas johnston avatar image
Thomas johnston asked

consumption is showing proportional to PV inverter production

swanson-surging-vrm.pngHi a customer has the following system

multiplus-II 48/3000/35-32

ccgx

zcell battery

fronius primo connected on grid side of multi

dc coupled mppt connected with ve.direct

meter is ET112 connected to ccgx via usb rs485 cable.

all connected on VRM with remote access available

since the start of the year the calculations and energy flow have been wrong, at first I went to site expecting the customer to be using more electricity, but when I turned off all the circuit breakers apart from the energy system the ac load value should have been zero but instead showed around the same value as the solar production.

The multiplus was also making some strange sounds.


i have tried updating firmwares on ccgx, fronius, multiplus


see attached screen shots

any help would be greatly appreciated


Thanks Tom

Multiplus-IICCGX Color ControlEnergy MeterRedFlow ZCell Flow Battery
swanson-year-graph.png (37.4 KiB)
swanson-surging-vrm.png (164.6 KiB)
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1 Answer
Alan avatar image
Alan answered ·

Unfortunately not an answer, but since this morning I noticed the same on my system.

The setup is very similar to the above and all symptoms seem to be similar.

Hope there is an answer to this somewhere.


I found the problem and am actually embarrassed to say what it was.

Turns out after unplugging the Quattro's Ve port to access it with the Mk3, I never plugged it back in after I was done.


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