[RE-wrenches] Sunny boy 1800

[Jesse Dahl]

Wrenches,

I've been working on a sunny boy 1800 with some problems. There is no manual and SMA website does not have it available.  I need to watch the lights on the inverter to find the problem, but I'm not there now and I can't get this off my mind, so I will ask the esteemed members of this list. 

When it's cloudy, the inverter comes on and loads the array. I can watch the sunny keeper watts reading rise until it get around 1000w and full sun hits the array.  Once full sun hits the array, the inverter drops out.  It did it three times to me today, and the inverter will not come on during full sun. Grid volts and hz are okay durning this. 

I know it's impossible to troubleshoot like this, but anyone deal with problems like this?


Thanks for the help!


Jesse Dahl  

Sent from my iPad!!!