Turning on other loads around the shop seems to work here. But we need to have over 100 watts on (we are using lights) to prevent the problem. It's a PITA, as it crashes the satellite internet, which takes 20-60 minutes to boot back up.
DAN FINK On Thu, Mar 29, 2012 at 12:12 PM, <[email protected]> wrote: > We've seen this type of problem twice with well pumps. Both times, the > problem was with a short in the load side close to the pump. One was > occasional, the other constant. Interestingly, running a large generator > seemed to "fix" the situation to the customer. In both cases, we found the > short, repaired it and both systems are still working well to this day. > One used a transformer, the other was a single 4024SW. > > Daryl > > > >> Hi Mac; >> >> We are having a similar problem at our metal shop with two stacked >> SW4024s. They are stacked so that inverter #2 idles until something >> 240V is turned on -- well pump and welder are the only 240 VAC loads. >> We are getting an overcurrent error and shutdown by just turning the >> welder's power switch on -- NOT when starting to weld. >> >> Any help from the list appreciated! >> >> -- >> Dan Fink, >> Executive Director; >> Otherpower >> Buckville Energy Consulting >> Buckville Publications LLC >> NABCEP / IREC accredited Continuing Education Providers >> 970.672.4342 (voicemail) >> >> On Thu, Mar 29, 2012 at 8:25 AM, mac Lewis <[email protected]> wrote: >>> Hello wrenches, >>> >>> I have a customer that I have been working with over the phone. He has >>> a SW >>> 4024, with a T240 transformer feeding a 2 HP well pump on a timer. The >>> system has worked well for years, but recently, he has been getting >>> overcurrent errors when the well pump starts. It's not every time, but >>> about every other time. He also did an experiment where he turned off >>> the >>> well pump, and gets the overcurrent error just energizing the >>> transformer. >>> Does this indicate the transformer is failing? What are other >>> explanations >>> for this behavior? >>> >>> Thanks for any advice _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org

