Question about Yamaha Electrical Supplies
It is likely not a winding short but more likely in wiring or components in the inverter. Remove output connections and with simple loads like light bulbs check the conditions of the genset itself.
Note: Small digital voltmeters will respond to the tiny currents caused by the capacitance of wiring and windings giving false readings. Use know loads like light bulbs to draw current during test.
Posted on Aug 04, 2010
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Posted on Jan 02, 2017
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If UPS is displaying "Site Fault", it is doing its job correctly. You need to check the wall receptacle. Probably hot and neutral reversed, or the neutral and ground are reversed, by whom ever installed the wall receptacle. You need to have the plug-in for the UPS intact, i.e. the ground pin must not have been cut off. If an extension cord connects the UPS to the wall, thge cord must be working correctly.
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