Trouble shooting Trace 2512 [RE-wrenches]

[Max Balchowsky]

I received this e-mail last week - I just got back in town and am going to contact this person to go troubleshoot her system. I've not had much time with trace equip and would welcome any comments on her situation before I go to the site........

Max 
See Systems
760-403-6810

I have added a new 100 amp service on the house. It was brought into the outdoor meter and panel and has the required shutoff for my solar panels at the outside. The electric comes in through the attic to my house sub panel. This panel originally had a 60 amp and a 20 amp breaker in it, so far as I recall, and I added 3 more breakers fairly recently. The solar panel electric generated drops down into a service disconnect box, then to a Trace C60 controller, then to the 250 DC disconnect, then to the (4) - 220 amp hr 6 Volt sealed batteries wired for 12 Volts, and to the inverter. The inverter is wired to the subpanel and also to it's own service disconnect box. The subpanel is wired over to the main panel so that is where the solar panel energy is fed back into the grid if the sun is shining on the panels sufficiently. The solar panels are 12 Volt - 6 100 WATT Photowatts and two 105 WATT Photowatts, made by the French Company Matrix. The inverter is a Trace SW2512, which passed all of DWP's tests after it was installed. I got my rebate last year ok, etc. There was no islanding and it was capable of the inter

Here's what happened. My system was put in over a year ago and has operated pretty much fine (to the best of my knowledge). However, I added three new breakers to my house electrical panel which already had one 20 amp breaker and a 60 amp breaker which goes to the three subpanel breakers that are fed by the solar system. I also rough wired in for some new outlets and lights when I added the new breakers. These weren't drawing any electric until yesterday. That's when my plumber moved my electric washer and gas dryer and installed one duplex receptacle for these appliances to one of the new outlet locations. I turned off the breakers, but then he said the wires were still live, so I turned off the solar system too. When I turned things back on, I noticed the Overcurrent Error light on. I followed directions to use the red and green buttons to navigate to the Inverter menu and select to have the Inverter be off. That cleared the Overcurrent Error light, but made the Error light go on. I read that I needed to go to the Error Menu to find the problem. I did that and the Error is that "AC source wired to output". I'm not sure of what this means. 

Could it be that when I added breakers to the house panel, somehow something was wired improperly for my system? or could I have shorted something out and now that is creating the problem? We did run the washer awhile yesterday to make sure that it worked and drained and so forth, and I'm sure it generates a large load on the system. I thought it is on a separate dedicated circuit, but maybe something isn't set up right somehow. I have to grade midterms right now and won't really get much free time very soon since school resumes Monday for another 8 weeks. can you schedule a visit to solve my problem. Do you think I've damaged my inverter system??

Susan

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