I blew the mother board on my Nomad ll . Anyone know what a replacement cost. I'm pretty handy but any advice / instructions would be appreciated.
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Nomad ll mother board blown
- Thread starter wbarrett58
- Start date
Did you try to start the pump while the line was under pressure? That is the only thing that I have heard that will overload the MB. Any further data points are welcome 
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From a M E, design flaw for sure. Its to easy of a mistake to make. Got to be engineered in that probably every owner might forget to bleed at least once. To costly of a mistake. My bet, that board cost more than a Youg Heng
But, more than likely might be just a blown power supply board.. It must have a 12v plug. Connect to 12v battery from the car, it needs the amps.
jmo
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Did you check with Pyramid Air? They may have a replacement board, or for sure they’ll know where to get one.
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Haven’t called PA yet. It just happened. I have really enjoyed it otherwise. It sits at the end of my work bench in my shop, takes up very little space. I’ve taken it to a ranch several times and topped off my Bulldog with my truck. Works great. Just bleed the pressure before turning it back on. Duh.
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Just got a new Nomad 2. Thanks for the warning. I used the compressor the other night and stopped the filling at about 180 bars. Left the unit plugged in and did open the bleed valve. Came back a little later to top it off. I don't know what would have prompted me to bleed the line but its a good thing I did. According to what I am reading here, you never want to start the motor with the line under pressure. I could have easily done that.
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Unless I missed it, I saw no warning concerning this in the instructions. With this result, you’d think there should be a warning affixed to the unit above the power buttons.
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That, or have a protective fail safe in place that prevents damage from accidentally doing that.
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Have you checked for blown fuses? These fuses could be on the mains power supply, or even surface mount fuses on the board itself. If it's a blown fuse, it could be just pennies for you to fix it.
Did you hear a pop or smell a bit of an acrid odor when it happened? This could be indicative of one of the board components failing due to the current overload (likely scenario if it isn't a blown fuse), and this too could be a very inexpensive fix if you can isolate and replace the blown component instead of replacing the entire board.
Did you hear a pop or smell a bit of an acrid odor when it happened? This could be indicative of one of the board components failing due to the current overload (likely scenario if it isn't a blown fuse), and this too could be a very inexpensive fix if you can isolate and replace the blown component instead of replacing the entire board.
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Fuse was blown and replaced. Pump starts when it’s plugged in but fans don’t work and power buttons don’t either.
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I received the mother board from Jordan at
PA. Easy install. Just make sure you number the wires. Also don’t get distracted and forget that you failed to let the air out of the line before restart the compressor. Duh!
PA. Easy install. Just make sure you number the wires. Also don’t get distracted and forget that you failed to let the air out of the line before restart the compressor. Duh!
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Crazy these dont have a better safety fuse should have sacrificed itself before frying a board
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