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Old 08-04-2019, 03:23 PM   #1
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2014 Interstate Ext. Coach
Cedar Rapids , Iowa
Join Date: Oct 2018
Posts: 49
New Owner (yay!) Need HELP!!

Hi everyone, we finally bit the bullet!!! Yay!!!

We got little to no instructions with our 2014.5 Lounge and are suffering the consequences today! We ran out of LP for the generator and not able to refill on a Sunday. Tried to start the AC unit on shore power and probably caused another issue, getting a E7 code on the Dometic AC control. Have searched enough to need to check the circuit breaker but can't find the location. (See we need to be careful of the electric current).

Anyone bored and feel like correcting my newbie mistakes? Have suggestions on the best way to learn what to do and not find out the hard way? Appreciate your suggestions!!
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Old 08-04-2019, 04:07 PM   #2
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2013 Interstate Coach
Raymond , Iowa
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Hey fellow Hawkeye. Per my Dometic manual error E7 does mean that you have lost 120V power. My AI rooftop AC is circuit breaker #3, located in the panel below (in front of) my lounge seat. Are you using 20A or 30A shore power? If using 20A you may have blown a fuse when the compressor started (or tried to start). Per my Progressive Industries surge protector mine pulls about 18A when starting, then drops back to 14A. Do other things in the AI still run on shore power? If so you have not blown the fuse providing shore power. Other possibility it that your EMS is giving priority to something other than the AC. Is your electric water heater on by any chance?
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Old 08-04-2019, 04:21 PM   #3
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2014 Interstate Ext. Coach
Cedar Rapids , Iowa
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I would guess we blew the circuit using 20A shore. We have a 50A service, I’m also guessing we should be using it and step down to 30A? Not electrical geniuses by far!

I found the fuses bit not the circuit breakers. Can anyone give me a more precise location for them if possible please? Must not be the same as the 2014. Thank you for your help! We are hoping to get with an RV dealer next week for better instructions!

(Hope to see you on the road in Iowa!)
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Old 08-04-2019, 04:27 PM   #4
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2013 Interstate Coach
Raymond , Iowa
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On mine
1) the 12v Airstream fuses,
2) the circuit breakers for the microwave, AC, water heater, and plugs
3) the thermal breakers for the lounge seat motor, tank heat pads, and a couple of other things
are all inside a fold-down hinged panel at the very back of the aisle - the board below (at the front of) the lounge seat. You cannot see it if the lounge and side seats are in the bed position.
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Old 08-04-2019, 04:35 PM   #5
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2013 Interstate Coach
Raymond , Iowa
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Also,
I don't understand your reference to 20A shore, 50A service, and 30A step down.
I have a cheater that allows me to plug my 30A plug into a 50A outlet - in case the only outlet at the campground post is a 50A plug style. But (I believe) that the EMS will still starting kicking things out at 30A. I assume that it knows 20A if the generator is running. But on shore power I am not sure what it does if you don't push the button on the EMS to tell it whether you are plugged into 30A or 20A.
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Old 08-04-2019, 04:37 PM   #6
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2018 Interstate Lounge Ext
High Desert , Las Vegas , Nevada
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Quote:
Originally Posted by Hawk-ination View Post
We got little to no instructions with our 2014.5 Lounge and are suffering the consequences today!
HAWKINATION - the MY.5 drives me bonkers since it is hard to tell what old/new stuff it has, so what manual to look for the stuff? The fuse & breakers are in the manual (I scrolled down both 2014/2015 to see) but you will have to check/decide which manual to use based on what you see in front of you. BTW - you should keep a copy of the right MY (or both) on your phone for faster access, in case you lose internet connectivity.

https://www.airstream.com/wp-content...manual-190.pdf

https://www.airstream.com/wp-content...manual-191.pdf

EDIT: CONGRATS. on purchase. Tough way to start/join the club. Your EMS can shed if you run from 20A in summer. You will have to at least turn off everything including your inverter/charger. If you have a 50A-to-30A adapter, then you have best chance of not shedding the a/c with other stuff on. If no choice but to use 20A, use the shortest cable run to minimize cable loss.
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Old 08-04-2019, 05:07 PM   #7
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2014 Interstate Ext. Coach
Cedar Rapids , Iowa
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Posts: 49
We got a printed manual but it wasn't clear as to the circuit breaker location. We did just find it under the folding bed area, the button was hidden at the top of the panel.

I'm just mad at myself for messing it up so trying to make it better, I'm sure the information is out there, it just takes time to find when Google doesn't answer back in 5 seconds or less.

So I plugged into our 50A service, stepped it down to 30A. We flipped the circuits but they didn't seem off, just to make sure they are on. Nothing else running in the coach. Had a hard time getting the Dometic HVAC controller to come on. It shows 70 degrees, Cool, Auto (switched to High). Nothing.
The LP gauge now shows 1/3 full (probably expansion), I'm wondering if I shouldn't shut down the electrical and try the generator, if it would kick on.

It shows the main at 12.5V too, wondering if that's not enough to kick it on....

The former owner ran it a lot off of 20A, I'm wondering if it didn't cause some issues .
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Old 08-04-2019, 05:23 PM   #8
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2014 Interstate Ext. Coach
Cedar Rapids , Iowa
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Posts: 49
Sorry people, I'm probably drawing down your Airstream level of intelligence, but do you have to have the engine running to kick on the AC with shore power? I'm wondering too how long the house batteries last, I'd almost guess ours are original and maybe part of this equation.

It's running, finally!! I figured out to start the engine to get it to fire up. Let me know your thoughts if you would, it's probably in the feeds but it takes forever to search for the answers (at least when I am wanting the answer now...I'm too excited to have patience)! Thanks a lot for your time today! We're very excited to be owners. It was a quick purchase so I didn't have time to revisit tech information!! I wasn't going to turn down an opportunity to get Mr. on the fence on board again!!!

Thanks for the welcome too!!! I'm still in shock and beyond thrilled to be part of the group!!!!!
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Old 08-04-2019, 05:36 PM   #9
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2004 22' Interstate
Tipton , Iowa
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Greetings from Tipton, Hawk-ination!

Unfortunately MY Interstate is an '04 and the ONLY thing it shares with your '14 is that both are front-engine, propane generator, and have four wheels, so I'm afraid I have little to offer that is salient to share about your trials, but I wanted to welcome you aboard and let you know that there are other's of us "out there" in B-190s and T1N Sprinter-based Interstates in the area as well. We just spent the weekend at Tailwaters East on the Coralville Res with some friends who have a "new" B-190.

Good luck with your systems.
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Old 08-04-2019, 05:49 PM   #10
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2014 Interstate Ext. Coach
Cedar Rapids , Iowa
Join Date: Oct 2018
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Aww..thanks! We just picked it up in Coralville so we just missed each other! Your Airstream is a nice looking ride, I'd have no qualms about owning a 04!! Can't wait to see you in Iowa...or Florida...or any state not Iowa in the winter!!
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Old 08-04-2019, 06:48 PM   #11
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2004 22' Interstate
Tipton , Iowa
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Quote:
Originally Posted by Hawk-ination View Post
Aww..thanks! We just picked it up in Coralville so we just missed each other! Your Airstream is a nice looking ride, I'd have no qualms about owning a 04!! Can't wait to see you in Iowa...or Florida...or any state not Iowa in the winter!!
Ha ha ha!!! Indeed!!! We're going to try to flee to SoCal for a bit in January.

Thans for the kind words on my coach. The '04 is pretty simple, systems-wise. I'm not one much for all the electronics and complex systems in the newer coaches. At least I can still understand how they work in the '04. The newer stuff is way beyond my technical abilities.

I'd love to see your coach some day!
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Former Airstreams: 1953 Flying Cloud, 1957 Overlander, 1961 Bambi, 1970 Safari Special, 1978 Argosy Minuet, 1985 325 Moho, 1994 Limited 34' Two-door, 1994 B190 "B-Van"
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Old 08-04-2019, 09:38 PM   #12
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2012 Interstate Coach
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Quote:
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do you have to have the engine running to kick on the AC with shore power?
No. But it does help if you turn the A/C fan on first and let it run for a minute before starting the A/C proper. If the compressor and fan have to both start at the same time, there's a larger initial load than if the fan is already running when the compressor starts.
Quote:
I'm wondering too how long the house batteries last,
Unless they've been abused by being repeatedly discharged below 0% charge, AGM house batteries should last about 5 years. Mine lasted six years, but toward the end they were pretty feeble.
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Old 08-04-2019, 10:12 PM   #13
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2014 Interstate Ext. Coach
Cedar Rapids , Iowa
Join Date: Oct 2018
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We made it through the excitement and panic of the first weekend! I felt horrible both breaking something major and then happy to get your help and somewhat fix the problem today.

It would make sense that the batteries might need to be replaced as we are probably looking at a five year life span.

I'm sure I'll need your help again in the future, but I promise we will be off sometime this week to consult with someone who can walk us through more of the features and what to watch out for, and not have to learn the hard way, even if that is my general way of life!

Can't wait to meet a bunch of you out and about! Thanks so much for your help. Please don't think the former owner was a bad person either, I think they got the same amount of instructions so not a lot of info they could pass on. We appreciate everyone's help today! Excited to see where the road leads to!
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Old 08-05-2019, 05:27 AM   #14
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2013 Interstate Coach
Raymond , Iowa
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Send me a PM if you'd like to take a drive up 380 with your Interstate and I'll spend a few hours telling/showing you what I've learned over the years that I've had mine. Lots of little tricks I've learned and changes I've made to improve things. We are retired and between trips, so have some time this month.

First thing I did was replace batteries when I got home from the first trip (purchased in Ca.) It sat on the dealers lot for 1 year and they ruined the batteries. Mine have now lasted 5 years and are going strong. I have never taken them below 50%, seldom below 60%, and recharge them daily via driving and/or upgraded solar. We just returned from 3 week trip to Ca and we plugged into shore power twice. Last year we took a 6 week trip to AK and plugged in 4 times.
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