Multiplus II AES not working

[Honuz]

Hello guys,

I've installed a Multiplus II 3kVA and seems AES is not working, i've it set to "modified sinewave" .. but it just never goes into AES mode, it stay in "inverting" mode even in low load.. some other people havin,g this behavior ?



As can be seen here ... neveer goes to AES :



Even if load is udner 100W

 

[LydMekk]

Have you tried with "search mode"?

 

[cdsolar]

Search mode works for me, except for the quirk I mention here. I wrote 'scan' instead of 'search':

Multiplus II AES scan mode blinking

I have a Multiplus II 3000/48. It works well. I recently enabled AES Scan mode. Last night I wanted to use the single GFCI outlet I have connected to AC out. The outlet was blinking yellow, then green, yellow, then green. I thought, oh dear, I have a ground fault somewhere, and went to bed...

diysolarforum.com

 

[Honuz]

Have you tried with "search mode"?

Search mode works for me, except for the quirk I mention here. I wrote 'scan' instead of 'search':

Multiplus II AES scan mode blinking

I have a Multiplus II 3000/48. It works well. I recently enabled AES Scan mode. Last night I wanted to use the single GFCI outlet I have connected to AC out. The outlet was blinking yellow, then green, yellow, then green. I thought, oh dear, I have a ground fault somewhere, and went to bed...

diysolarforum.com

Search mode is not an option since i got small load, under 50W all the time, i want to use Automatic Economic Switch to reduce power draw during the night.
This was one reason i bought this inveter .. pretty sad to see that it do not work .. !

 

[Honuz]

Some news today,
I've set AES to 200W yesterday before going to bed... and it do not even work correctly for loads under 80W ...








Look at 8:00 the low part of the AC Output power as lowered from 75W to 65W... cause the MPPT started producing at this moment... ! RS450 take roughfly 10W to work....

What is the rule to calculate the Multiplus AC Output ..? Can we have details on how it is calculated ?