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05-06-2018, 07:45 AM
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#1
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Senior Member
Join Date: Jul 2015
Location: Simi Valley, CA
Posts: 105
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Isata 3 Generator question?
Has anyone else with an Isata 3 noticed that the microwave/convection oven has issues when you try to use it with the generator? Our generator has to run for several minutes before the microwave oven will work and then when it does work it seems to “drag” ...
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05-06-2018, 07:54 AM
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#2
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Senior Member
Join Date: Feb 2018
Posts: 149
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When the generator starts, it normally takes mine a minute or two for the transfer switch to energize. I always check a 110 outlet before using anything to insure it is energized. You can also hear the switch engage. Maybe your transfer switch is slow?
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SOLD: 2018 Dynamax Isata 3 24FW...delivered 12 Ap 18
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05-06-2018, 08:02 AM
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#3
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Senior Member
Join Date: Dec 2012
Posts: 7,652
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If you have a microwave when the clock (timer set, etc.) illuminates the switching has occurred. Yes, there is a delay before coming on line.
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05-06-2018, 09:06 AM
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#4
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Senior Member
Join Date: Jul 2015
Location: Simi Valley, CA
Posts: 105
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I know the transfer switch takes a little time to engage, but even after the display on the microwave lights up if you try to use it the display just says ”FOOD” and nothing happens for several minutes, then it will finally work but it seems to be straining... AC seems to work fine.
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Greg & Gabe
2018 Dynamax Isata 3 24FW
Pushed by a 2015 Jeep
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05-06-2018, 09:12 AM
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#5
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Senior Member
Join Date: Dec 2012
Posts: 7,652
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Quote:
Originally Posted by Greg-Gabe
I know the transfer switch takes a little time to engage, but even after the display on the microwave lights up if you try to use it the display just says ”FOOD” and nothing happens for several minutes, then it will finally work but it seems to be straining... AC seems to work fine.
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Does this not happen when shore power is applied?
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05-06-2018, 09:22 AM
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#6
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Senior Member
Join Date: Jul 2015
Location: Simi Valley, CA
Posts: 105
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Nope, only when using the generator.
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Greg & Gabe
2018 Dynamax Isata 3 24FW
Pushed by a 2015 Jeep
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05-06-2018, 09:38 AM
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#7
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Senior Member
Join Date: Dec 2012
Posts: 7,652
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Does sound like it could be a voltage or frequency genny output or a combination of both especially if auto switching from shore power to genny power. Voltage you can check with a multimeter but I think freq would require a meter to monitor. If there was an issue with the freq it may not readily show up with AC operation. I'm not sure freq can be adjusted by user. Just some thoughts.
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05-06-2018, 10:14 AM
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#8
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Senior Member
Join Date: Jul 2015
Location: Simi Valley, CA
Posts: 105
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Well I figured something wasn’t right, just a pain when you’re on the road and your test equipment is at home...
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Greg & Gabe
2018 Dynamax Isata 3 24FW
Pushed by a 2015 Jeep
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05-06-2018, 12:15 PM
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#9
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Senior Member
Join Date: Nov 2016
Posts: 880
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The frequency is a function of generator rpm. If by chance you have an EMS such as the Progressive ems-hw30c hardwired down stream of the transfer switch, it will give you a read out of the generator voltage and frequency (hertz).
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2017 Isata 3 24FW
2004 Jeep Wrangler
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05-06-2018, 12:20 PM
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#10
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Senior Member
Join Date: Jun 2017
Location: Escondido, CA
Posts: 820
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Quote:
Originally Posted by Greg-Gabe
Has anyone else with an Isata 3 noticed that the microwave/convection oven has issues when you try to use it with the generator? Our generator has to run for several minutes before the microwave oven will work and then when it does work it seems to “drag” ...
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Once my transfer switch engages (about a minute) my microwave and convection ovens work perfectly.
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2016 Dynamax Isata 3 24FW
2016 Jeep Willys JK
Yellow Lab Buddy Biscuit Eater
USN-RET/DOD-RET
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05-06-2018, 12:50 PM
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#11
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Senior Member
Join Date: Jul 2015
Location: Simi Valley, CA
Posts: 105
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Yeah, I think I have a problem, sounds like it shouldn’t run the way it does...
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Greg & Gabe
2018 Dynamax Isata 3 24FW
Pushed by a 2015 Jeep
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05-06-2018, 01:01 PM
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#12
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Retired Navy
Join Date: Mar 2018
Location: Afton, VA
Posts: 62
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Are you running the A/C at the same time as the microwave? I thought you are not supposed to run major systems at the same time, especially on generator.
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2012 Lexington C Class
Toad: 2009 Honda Fit
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05-06-2018, 02:41 PM
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#13
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Junior Member
Join Date: Jan 2018
Location: Mooresville, NC
Posts: 29
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I sometimes get the "FOOD" message on my High Pointe Microwave when I start up the generator. Problem on mine is solved by opening and closing the microwave door. Had me baffled till I read the microwave instructions which I do only as a last resort.
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05-06-2018, 04:10 PM
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#14
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Senior Member
Join Date: Aug 2017
Location: Marysville, Ohio
Posts: 1,768
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Quote:
Originally Posted by Jim-LP240FS
I sometimes get the "FOOD" message on my High Pointe Microwave when I start up the generator. Problem on mine is solved by opening and closing the microwave door. Had me baffled till I read the microwave instructions which I do only as a last resort.
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Mine does that as well.
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 2008 Dynaquest 340xl
Bill and Carol
Retired mechanic
US Army Veteran 🇺🇸
Previous coach 2017 Isata 3RW
Also,3 Diesel pushers, 1Bvan, 2 class Cs
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05-06-2018, 05:14 PM
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#15
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Senior Member
Join Date: Jul 2015
Location: Simi Valley, CA
Posts: 105
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I have not run both the microwave and the a/c figure that with the microwave issue it was prudent not to push my luck... I will try the door trick and see how that plays out. We got to the factory this afternoon and are currently hooked up to power. I’ll give it a go in the morning after I unhook so they can work on it.
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05-07-2018, 01:27 AM
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#16
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Senior Member
Join Date: Apr 2015
Location: Ontario, California
Posts: 2,147
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Quote:
Originally Posted by Greg-Gabe
Has anyone else with an Isata 3 noticed that the microwave/convection oven has issues when you try to use it with the generator? Our generator has to run for several minutes before the microwave oven will work and then when it does work it seems to “drag” ...
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If the Gen seems to be running smoothly and just sags or fades with the microwave then first, check what else is running. If your frig switches over to AC automatically, and the electric on the water heater is left on you might have too much load. Oh and the biggy, hopefully your AC isn't coming on all at the same time.
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05-07-2018, 02:21 AM
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#17
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Old Engineer
Join Date: Feb 2018
Location: UP of Michigan
Posts: 216
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Time delay of transfer is intentional
The transfer switch incorporates a time delay in order to prevent "short time cycle actuation" during transient excursions of the line voltage. Thus the generator output must be stable for a set time period before the transfer switch will actuate. This is done to prevent detrimental wear or damage to the transfer relay, as well as potential damage to sensitive electronics in appliances.
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2019 Dynamax Isata 3 24RW
Smart Car Towed 4 Down
Quote: "When all else fails, read the manual!" 
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