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Louie, Technician
Category: Motorcycle
Satisfied Customers: 12446
Experience:  25+ yrs. experience
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I have a yamaha ef1000is generator it starts rite up but the

Customer Question

I have a yamaha ef1000is generator
it starts rite up but the overload light comes on
what could be the problem
Submitted: 1 year ago.
Category: Motorcycle
Expert:  Louie replied 1 year ago.

Hi and welcome to JustAnswer,

Thank you for the question and your patience. Should you still need assistance for information purposes only...

Initially, it would appear to be an output issue hence auto-protect mode is kicking in. Proposed preliminary checks (if have not been done) on potential suspects:

  • • too high wattage connected to the AC~ sockets (least likely);
  • • dirty, blocked cooling air inlet ventilation holes (likely);
  • • failed/overheated inverter control circuit (most likely).