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beachinn's avatar
beachinn
Explorer
Jun 16, 2016

Onan Microlite 2.8 genset runs but no AC output

I just purchased a 1990 Winnebago Warrior in very good condition, but I cannot seem to get the onboard generator to produce voltage. I have checked the circuit breakers inside and the breaker switch o...
JaxDad's avatar
JaxDad
Explorer III
Jun 17, 2016
Older Onan Microlites work on a 'voltage in / voltage out' basis with a safety in the middle.

If you have 12+ volts in, you will have 120 volts out.

The problem is, as little as 8 volts on the house battery will start the generator, but that would only give 80 volts output and the safety would shut off the output.

Check that with the generator running you have more than 12 volts in the house battery. It should be over 12.4 volts.

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