An EA500 pilot experienced electrical and flap extension anomalies during approach. The problems went away when he shut down and restarted the electrical system. He later learned this 're-setting' procedure was not authorized for use unless the aircraft is on the ground.

Narrative

While on a VFR approach to a non-towered airport I noticed the flap handle did not match the indication of the flap. I initiated a missed approach and stayed in the airport area while I did the checklist and tried to reset the flaps; to no avail. We have had similar things happen electrically with Eclipses and; if you power the aircraft down electrically and then re-apply power the systems seem to 'reset' and all works fine. Normally this happens on the ground.After doing the checklist and still having the problem; I had a choice to fly 100 miles to the home station of the airplane where the mechanic was to try to do a re-set while in the air. The weather was no issue. I was in uncontrolled airspace with no one around and four runways at my disposal if for some reason I needed to land.I decided to shut down electrically; waited about a minute and then re-applied battery power just as I would on the ground. When the computers were up and running normally I re-connected the generators. Everything in the airplane was normal; I operated the flaps and landing gear a couple of times and everything functioned like it was supposed to. 'Re-setting' the electrical system fixed the glitch in the computer.After speaking with people associated with factory engineers and more experienced pilots. I now know the re-setting function is only to be used on the ground. I should have flown home since I had plenty of fuel and the weather was VFR.