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Old 07-20-2018, 10:19 AM   #1
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AC won't work with Generator

Hi Folks,
I started the generator (on propane), tested it with a hair dryer on hi (1500 watts), then turned the ac on fan which worked fine. When I switched to AC low I hear a bizarre clicking sound which appears to be coming from a space a few feet to the left of the Progressive EMS system located under the right side of the bed in the rear of the 17B. It does not come from the EMS system, AC, or the generator. EMS system shows no error code, AC fuse is not tripped. AC works fine on shore power. This whole system worked fine last year. I am clueless.
The players:
Coleman Mac 9200 btu AC
Yamaha EF 2000 generator.
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Old 07-20-2018, 10:32 AM   #2
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Maybe the startup amperage draw is to high for the air conditioner.
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Old 07-20-2018, 11:27 AM   #3
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Maybe the startup amperage draw is to high for the air conditioner.
Thanks for your response Doug. Not sure start up draw is the answer as it wasn't a problem last year and nothing has changed since then.
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Old 07-20-2018, 11:54 AM   #4
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I'm assuming you're not running it on ECO, ours won't run the AC on ECO (at least for long) and would make that same clicking sound when it tried to start AC on ECO. Seems I recall it would shut down the power however, and I'd have to shut the gen off and unplug, then start it back up with ECO off and it would work fine.
It could still possibly be the start up draw. As AC equipment ages sometimes it requires more draw on start up. I.E. our house system started blowing the fuse on start up last summer @14 years old and never had any issues. They had to put a hard start capacitor in to get it to operate.
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Old 07-20-2018, 12:08 PM   #5
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I'm assuming you're not running it on ECO, ours won't run the AC on ECO (at least for long) and would make that same clicking sound when it tried to start AC on ECO. Seems I recall it would shut down the power however, and I'd have to shut the gen off and unplug, then start it back up with ECO off and it would work fine.
It could still possibly be the start up draw. As AC equipment ages sometimes it requires more draw on start up. I.E. our house system started blowing the fuse on start up last summer @14 years old and never had any issues. They had to put a hard start capacitor in to get it to operate.
Not on Eco but it is a year older. Would RV dealer install the hard start capacitor? I have little skill in this area.
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Old 07-20-2018, 12:21 PM   #6
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Not my area either, but Dave (Rubicon) is real good in this area as well as some others on here. I'm sure they'll jump in shortly and can give some more directed advice. It still could turn out to be something entirely unrelated to the start up draw, just not sure what else it would be.
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Old 07-20-2018, 04:08 PM   #7
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Old 07-20-2018, 04:12 PM   #8
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Do you have a qas/elec. water heater? If so is the WH elec. element off?
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Old 07-20-2018, 05:17 PM   #9
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Any decent RV shop should be able to install a hard start for you Nick but I canít see you needing it if everything else is turned off. The Honda 2000 will run the ac unit so I canít see why the Yamaha wonít especially if it has previously.
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Old 07-20-2018, 06:02 PM   #10
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Do you have a qas/elec. water heater? If so is the WH elec. element off?
Eddie
No other draws on the system except propane detector. Batteries fully charged as test occured under strong sun with 160w solar system fully functional.
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