Can I pick your brains?

[Gavin A]

• MPPTThis section of the menu allows you to set the parameters of the maximum power point search (MPPT) function. This function is useful when
there are shadowed areas on the PV generator that can create several
maximum power points in the work curve.
MPPT amplitude: the amplitude of the interference introduced in DC
is chosen through the setting of this parameter to establish the optimal
working point. There are 3 settings to choose from (LOW, MEDIUM,
HIGH). The default setting is MEDIUM.
Multi-max scan: through the setting of this parameter, you can enable/
disable the scan, decide the frequency with which the scan is carried out
and override it manually.
Enable/Disable: Enables/Disables the scan for identifying the maximum power point of the system.

these settings should sort your shading problems out as long as you've got the bypass diodes orientated right for the shading.

 

[solarsavings]

But surely the inverter should have the info on the LCD display? there was nothing on the PO Uno display

If you haven't got enough voltage for start up you get jack on the screen. Happens at this time of year