Don’t you love the satisfaction that comes from doing something yourself? From start to finish, doing the research and following through to the end? 
For quite a while, our Dometic washer/dryer combo hasn’t been spectacular when it comes to drying our clothes. Just recently it started throwing a code: E3A whenever we would try and dry a load. After doing some research, none of which Dometic helped with, we determined that the issue was a bad thermistor limit switch.
We ordered the set directly from the Dometic customer service line but half the parts were used when they arrived. (We actually ordered 2 sets bc they charged $5 for shipping.) When we called to tell them, we then had to wait another week for “new” parts, but when we got those, half were missing the seal on the one piece. It’s just a little gasket type o ring but it kinda needs to be there. So they rushed us even more new parts and these are finally the right ones! Even the packaging looks a lot better.
So we got the new ones in (good thing we had an extra one because one lives permanently in the bottom of the unit… Oops). I just folded our first load of clean, DRY clothes in a really long time! Lesson learned: clean the compressor every few months! They say once a year but with as much laundry as we do being full time and Allen working, we’ve decided 3 months sounds about right!
If anyone needs a thermistor limit switch, we have some extras!
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Home Sweet Home on Wheels 
hi e3a code just poped up need one
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Ours wound up (less than a month ago) needing a new circuit board. The back was completely burnt up. Dometic doesn’t make these units anymore and didn’t have a replacement for us so they wound up paying for a new machine. We opted for a Spledide 7100 ventless combo and so far it’s been great. If you are at all willing and able to take the front part off, that may be the case with yours also. On ours you could see that the control panel was burnt as soon as we had it apart. Here’s the link: https://homesweethomeonwheels.com/2017/02/05/splendide-replaces-dometic/
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But we do still have some extras if you want to give it a go with the thermistor limit switches. Just let me know! I’m thinking it might be a bigger issue though…
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Hey Rachel,
So sweet of you to offer! We just went full time RV living and bought a dometic washer/dryer unit for our RV. We are new to this but love the lifestyle. Our unit quit drying just recently and we can’t seem to get Heartland on the ball to come out and fix things that seem to pop up. Our unit is giving us that E3a error code so I googled and saw your offer. So ready to fix the thing myself!!! So tired of running to the laundromat all the time! I would greatly appreciate one! If you still have an extra one available.
Thank you
Marie Pierson
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Hi Marie! I’m glad you found our blog. So… I just had the bag of these thermistors IN MY HANDS not two weeks ago. We have since gotten a new washer/dryer combo (a Splendide). We were having some problems with it so I dug these out thinking they may be interchangeable if this was the issue. It turns out it wasn’t and we fixed the problem on the phone with Splendide (they are a whole lot easier to work with from a consumer standpoint than Dometic ever was!) I remember asking Allen if we should get rid of the old thermistors but I can’t remember if we did or not. I’ve spent the last half hour checking everywhere I can think to look but haven’t had any luck yet! I’ll keep looking and check out in the big cubby and toolbox later today. In the meantime, have you called Dometic directly? I’d think you’d have more luck dealing directly rather than going through the RV manufacturer. They MAY send you some parts as a goodwill gesture, but don’t quote me on that, it just depends on who you get at that company and what kind of mood they are in.
We wound up getting a new unit because it kept throwing the code even after replacing the thermistors. We finally had a mobile tech come out and look at it and the computer board was fried, they didn’t have a replacement because they don’t make w/d’s anymore so they basically bought us a new unit as a “goodwill gesture”. I will let you know if I find them later, but until then good luck!
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Marie!!! Allen found them! (In the same spot I checked earlier… go figure) Email me your address and I’ll send you a couple tomorrow. HomeSweetHomeOnWheels@yahoo.com
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well fan is not kicking on have gotten 3 fan motors . gets hot till overheat thermostat kicks on then nothing .mine is a edgestar , same as dometic received parts from them but still no fan. washes great just no dry
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Have you checked anything with a volt meter? Just wondering if there’s something with the computer that isn’t working… How is Edgestar customer service?
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Heating not working
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Anyone have a E5A code come up when washing?
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Do you still have the thermo sensors?
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We don’t
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Do you have any extra ones?
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No, we got rid of that unit quite a while ago, I’m sorry.
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