20w on UPS when not connected
Can someone tell me why my hybrid 3.6kW ECCO shows 20w on the UPS output in the power flow when it is actually not connected to anything. I.e the ups output is not in use.
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I found that the UPS reported small output values that jumped about a bit when nothing was connected to the UPS output. This seemed to settle down when I added a load to the UPS. I think the this may be due to the way the inverter monitors load. I am guessing they are using an ADC to montitor a voltage across a low value current shunt inside the inverter, without a load the ADC may be seeing noise. I also noted that the behavour changed somewhat after a firmware update was applied to sort out other reporting errors. I am in the same mind as @Groots in that "I have never really worried about as the other values are correct or near enough"