I have a colleague at work who has the HW error 4 on his mastervolt pv inverter. Googling produces very little except that its an internal error.
I'm going to get him to check cooling fans (google suggestion) and look for obvious damage internally.
Does anyone have any experience of this fault ?
George
Mastervolt HW 4 Error
Mastervolt HW 4 Error
1750w Vertical PV micro inverters
3800w almost horizontal/south
Aarrow Becton 7 Woodburner
Dream 3kw ASHP only connected to summer Pool.
Allotment heavy clay.
1.784kw Kirk Hill
0.875kw Derril Water
0.2kwWhitelaw Brae
1kw Harlow Hydro.
3800w almost horizontal/south
Aarrow Becton 7 Woodburner
Dream 3kw ASHP only connected to summer Pool.
Allotment heavy clay.
1.784kw Kirk Hill
0.875kw Derril Water
0.2kwWhitelaw Brae
1kw Harlow Hydro.