Sensata Dimensions 1200N Power Inverter Repair

  Рет қаралды 3,536

Thrifty Tool Shed

Thrifty Tool Shed

4 жыл бұрын

In this video we take a look at a Sensata Technologies Dimensions DSI-12/1200N Pure Sine Wave Inverter. This inverter was one of the first that I knew of that had the Pure Sine Wave output as claimed. This 1200W inverter is definitely worth the time to repair with excellent control and easy to work on platform as well. The main problem with this inverter ended up being a really easy fix, the Main Power ON/OFF switch was corroded and faulty. Good thing we have taken the time to look into it because we also have to address lots of other corrosion issues caused by leaking caps as well as a faulty cooling fan. BTW: To test the fan on this inverter, I had to use a heat gun and carefully heat up the heat sink bottom where the Temp sensor is that controls it. It came on fine, but just to mention it is not designed to run all the time, just heavy loads. Hope you find it helpful and Thanks for watching!
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Пікірлер: 21
@Crappycarguy
@Crappycarguy 3 жыл бұрын
Thanks for the video. I picked up a big Sensata dimensions pure sine wave inverter “untested” out of a cable service van and I think tomorrow will be a good day to open it up and see what’s inside.
@BlueRidgeMarine
@BlueRidgeMarine 4 жыл бұрын
TT. On the fets. Do you curve trace them to check degretition and the fall? I too change out every dang cap I can as well. Nice work. That board really cleaned up well. I all ways enjoy your videos. Thumbing up.
@ThriftyToolShed
@ThriftyToolShed 4 жыл бұрын
I do desire to have a stand alone curve tracer. I have used one before and have built one that that works with my o-scope x-y but it's on breadboard and I have never taken the time to make it a stand alone. Great thought here for sure! Thanks for your comment!👍
@BrendanOldham
@BrendanOldham 3 жыл бұрын
Thanks for the video! I have a similar, but 800 watt version. Not sure what happened, but the mosfets got hot and burnt up. Seems like a couple resistors around as well as one of the half-bridge gate driver seems to have have gotten hot too. Looks like I can still get all the parts from digikey, but the MOSFETs aren't cheap. Curious as to whether you think worth trying to fix. Thanks again for sharing your knowledge.
@ThriftyToolShed
@ThriftyToolShed 3 жыл бұрын
I would think so. I know the high current Mosfets are not cheap. Sometimes eBay can have things cheaper with free shipping, but it takes a while to get it. I have some concern of fake components from some sellers also. I wonder if the thermal management was working on yours. The heat sink on this one has temp sensor and turns on the fan, which the fan on this one was bad!
@BrendanOldham
@BrendanOldham 3 жыл бұрын
@@ThriftyToolShed Thanks so much for taking time to respond. I see 2 ICs screwed to end of heatsink. I imagine they are part of thermal management system. My fan is working so that wasn't the problem. I'll de-solder the fried components and see how the board looks before ordering replacement components. If board is okay, I'll proceed. I wish I knew the history and I wish I went to school for EE! Thanks again for the helpful video. I am awed by some peoples (yours!) understanding of how stuff works and even more so by their (your!) willingness to share. Cheers
@ThriftyToolShed
@ThriftyToolShed 3 жыл бұрын
Yes, they are screwed into heatsink on the end I believe. Hopefully that will get it. Best of luck to ya! Thanks for your comment!
@RichardRamirez1st
@RichardRamirez1st Жыл бұрын
How to change voltage adjustment ?
@southeasternpm
@southeasternpm 2 жыл бұрын
Hey, Thrify Tool Shed, I have a SENSATA SINE WAVE POWER INVERTER SSI-12HF10N it turns on but there's no power in the outlet. Are you local in Atlanta?
@ThriftyToolShed
@ThriftyToolShed 2 жыл бұрын
I am in the Augusta area. You may already know this, but check that your outlet is not a GFCI. It could be getting power to the outlet and still no output due to either tripped GFCI or a faulty one. I worked on one similar a couple months ago and that was the issue.
@asasial1977
@asasial1977 3 жыл бұрын
I have this inverter, works fine with small load such as a couple lights. it will trip the low battery with a load, I can't even cut a 1x12 with a sawzall. There is nothing in the "charge voltage adjustment' except a big white resistor. Even if I run the truck at 2500 rpm it still does this, it is not the truck because it does it on other vehicles as well. Any idea?
@ThriftyToolShed
@ThriftyToolShed 3 жыл бұрын
I have not seen that exact issue, but at what level does it trip at. Is it pulling the system below 12V?
@asasial1977
@asasial1977 3 жыл бұрын
Thanks for the reply I think I found the problem, loose terminal in the inverter. I can hit the saw now and runs much stronger than ever before and no low battery, it will flash for less than a second when I first hit the trigger then goes out Just the start surge. Cables (4GA) were already on it when I purchased it and hadn't checked them well. Thanks again.
@RichardRamirez1st
@RichardRamirez1st Жыл бұрын
Yes same here
@RichardRamirez1st
@RichardRamirez1st Жыл бұрын
Show me how to set this inverter with 100 ah agm & 350 solar panel & charge controller i also have 80 ah agm & 2 18 ah agms
@CarryonCue
@CarryonCue 8 ай бұрын
What do i do exact inverter gfci stopped working will not reset , could it be the 15 fuse thats on the corner circle button?
@ThriftyToolShed
@ThriftyToolShed 8 ай бұрын
If it has power going to the GFCI and not resetting then the GFCI will need replacing.
@peterhunt1354
@peterhunt1354 Жыл бұрын
Do you repair inverters. I have the same model. Do you have contact info
@ThriftyToolShed
@ThriftyToolShed Жыл бұрын
I wish I had time, I do get asked this often. I do not have a repair service at this time. I work full time+ in an Industrial job and try to have time to edit videos to post. I try to help by posting what I have found with a repair as we learn together. I don't have alot of time left. I hope you can find someone you know that likes to tinker and hopefully after watching the video can help you out. I wish you the best of luck with yours.
@CarryonCue
@CarryonCue 8 ай бұрын
What happened to ya? No replies hope all is well then good bye
@ThriftyToolShed
@ThriftyToolShed 8 ай бұрын
What was the comment regarding?
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