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+-- Thread: customer diservice/ generator question (/showthread.php?tid=7338530)
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RE: customer diservice/ generator question - TDKPE - 04-02-2018
That's a shame, and I agree with Roly's arm's-length assessment that it's probably something simple, and most likely in the switch or the associated wiring. That switch, which seems to be common on Honda and Yamaha generators, simple puts the full output of both windings to the 30A (guessing) 120V receptacle. Its 'normal' 120/240V position would put the output of each of the two windings to one duplex or single receptacle each, for (just for talking sake) 15A on each one, with 120/240V on the L14-20 or L14-30 4-pole twist lock.
That's assuming the schematic he posted is the correct one, but it would be typical of those generators with such a switch. And if one side of the DPDT switch failed to switch (welded contacts, failed relay if it has any, improper wiring, insulated conductor rubbed raw and shorted), it could put one of the two windings in a short-circuited (to itself, by definition) configuration, which certainly could stall the engine.
There are definite advantages to being able to combine the two windings into a single output, especially for running larger 120V loads like saw motors on a jobsite and not being limited by the current capability of either of the two separate windings, but the downside is a slight increase in complexity.
I would suggest getting it back, and letting the WN braintrust trouble-shoot it for you.
No, really.
