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Old 08-09-2020, 09:58 PM   #41
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Brand: Still Looking
State: Colorado
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THOR #17791
OP - I would reach out to MasterVolt directly. They have been in the marine power business for a long time and may have resources near you that can assist you.

This is a data buss controlled system that may require specialist knowledge and tools like a data buss reader to properly troubleshoot.

Like most Lithium systems, it is not a simple alternator/voltage regulator/battery system like you would find in a normal vehicle.

We live our Tellaro 20AT and wish you only the best in getting this resolved.
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Old 08-09-2020, 10:37 PM   #42
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OP. - I would reach out to MasterVolt directly if you have not already done so. They have been in the marine power business for a long time and will have tech resources in Florida.

This is a data buss operated system so it may require specialized knowledge and tools like a data buss reader to properly troubleshoot.

We love our Tellaro 20AT and wish you all the best in getting this issue resolved in a timely fashion.
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Old 08-10-2020, 05:13 AM   #43
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State: Arkansas
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Have you called mastervolt? Sounds like perhaps something was not installed right which can happen. Something as simple as a bad ground because of a bad crimp can totally cause the weirdest issues. Not saying that’s your problem.

But mastervolt should know more than anyone what the issue might be.
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Old 08-19-2020, 07:31 AM   #44
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Brand: Thor Motor Coach
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Howdy, New to the Forum and a new Tellaro 20AT with the Mastervolt system owner. I messaged the OP privately, but in case he doesn't see that and / or only gets a notification about new comments on posts here is a shot in the dark.

There are 2 yellow battery disconnect switches under the passenger side running board near the rear wheel. If those are not in the "remote" setting, the batteries are effectively dead weight and not connected to the invertor. Good luck.
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Old 11-27-2020, 11:36 PM   #45
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Quote:
Originally Posted by Chance View Post
I disagree completely on who’s responsible, not that it should matter because it’s not our job to diagnose and fix the problem.

If these fancy high-capacity lithium systems were the same as a flooded- or AGM-based motorhome, it wouldn’t have taken years to get to where we are today with the technology, or a couple of years for Thor to try to catch up with Volta and Xantrex systems, or Roadtrek’s EcoTrek before that. The average “technician” may not have a clue what he’s dealing with. And all of these previous systems had plenty of early design and quality issues of their own.



In my opinion the thing that’s getting out of control is the sentiment that RV owners are somehow responsible to fix problems themselves, or worse yet that they should understand what’s causing the problem in the first place. That may work for a few hands-on owners, but will never be the norm. Not in today’s world.

If an air conditioner doesn’t cool enough, should a home or RV owner know why it’s not cooling more? It may help but that knowledge shouldn’t be necessary to own an air conditioner. You call a qualified A/C contractor or repair person and let them figure out what’s wrong. That may not be ideal from a cost standpoint, but it’s reality for most people today.

The one thing most of us expect is that the A/C “expert” can figure out what’s wrong on his own.


In this case I feel for the OP. If the problem was that simple to fix, or was operator error, why didn’t first tech find it and fix it? And if it’s more complicated than “very simple to fix”, why should the owner be expected to diagnose it himself?
Honestly it sound like everyone faces the same bs no matter what (as a PROFESSIONAL Truck driver I have to diagnose exactly what the problem is every time if i leave it open and just say it's not cooling they will simple charge the unit not check for a the problem.... every one tends to be robots and only do what they are told anymore... and never look into problems and why something is not working lol.. and well by not doing it right the first time allows most to do it again till the find they problem while charging you for all that labor...
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Old 11-27-2020, 11:51 PM   #46
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Come on guys you are being a little hard on thor.... they are working to provide everyone with an affordable home there will be hiccups the dealers are telling them for rock bottom prices just to turn numbers.. they all need money to noperate... k get it let's say a dealer buys a chassis for 43k sendsnit to thor, thor builds a model for 20gs then ships it back to the dealer... now the price has gone form 43 to 63 +shipping now your at 72 with all associated labor cost in management and procurement ect they sell let's say 10 models a yr at that said dealership they payed 12 guys 40k a year do the math folks now know I am not being exact dknt blae any one group everyonenit trying to make a living and give you a product that you can enjoy... mean while making aroun a 3%-14% profit
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Old 11-28-2020, 12:00 AM   #47
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The problem will never go away because there is to many individuals involved in the process...
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