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During the latest flight in my Super ES I noticed the ammeter fluctuating quite a bit. This was happening even though I was not adding or taking away any electrical load. The voltmeter was not showing any abnormal activity. When I did make some electrical changes (pitot heat, landing lights, other stuff) the ammeter didn't seem to act appropriately. I have a VM1000 display and have had problems with it at different times. I have not done any load changing with the engine not running. I will be doing that soon to see how the ammeter acts. I'm afraid I have to show my ignorance by asking if anyone has any suggestions for this situation.
The first thing I would check for is loose wires. Do a close inspection of
the wires where they connect to the DPU, I use a bright light and a dental
mirror. Check the transducer connections too, if you don't find anything at the DPU.
Bob Belshe
LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to marvkaye@olsusa.com.
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