Question about Masterbuilt 20070411 30" Electric Smoker with Window
I am getting a EAA1 error when trying to pre-season my smoker for the first time. It heats for 5 minutes then displays the error code on the control panel.
Posted by Anonymous on
Before trying any of the lengthy suggestions regarding repairs on Masterbuilt electric smokers, consider this. It APPEARS (based on testing, not reverse engineering) that Masterbuilt designed the controller on my unit (140S) to error out below a certain minimum temperature. If you are like me and have your smoker outside (as you should), but in sub freezing temperatures, you too may get this error. Just shoot the short temperature probe (on the back wall of the cabinet) with a hair dryer for a minute or two. Then plug back in for no error (assuming you do not have an actual wiring or probe failure). Just make sure to immediately start it heating before it drops too low again...
If this was by design, shame on Masterbuilt! If this was by error, shame on their engineers! If this behaviour is due to an intermittent problem with my unit, shame on me for not fully testing all possibilities once I found an easy fix...
Posted on Jan 01, 2018
I have the same model and drew this schematic after taking it apart to fix another problem. An EAA1 means that the control display unit is getting a bizarre reading from the temperature sensor on the box. Could be a connector problem or a faulty temp sensor. The temperature sensor has a long path through the relay power supply board in the bottom then up to the control display unit. Unfortunately the only place you can easily check is the 5 pin connector directly under the control display unit. Try reseating this connector. The box can be opened up to check everything else but it's a real bear.
Posted on Aug 02, 2016
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Posted on Jan 02, 2017
I had the same problem this morning. I seasoned it two days agao with an outside temp. of 50. This morning it was 8 degrees and when I pluged it in there was no readout. I removed the digital unit from the top and heated it with a hair drier and it worked when I reinstalled it. I think it had some moisture in it although the unit has been covered the whole time. I am going to call Masterbuilt tomarrow and see what their answer is to this problem.
Posted on Jan 25, 2009
I just bought a new Masterbuilt Smoker by default two weeks ago I borrowed a friend’s to smoke about 30lb. of Salmon to then can. Ran the smoker every day for three day. ON my last batch the heating element would not work. Talk about Frustrated! The Smoker was only 2 yrs. old.
Knowing I borrowed I felt I had to replace. So online to Cabelas and I ordered my buddy a new smoker and had it shipped. I then found this website... GOT TO LOVE the internet. I saw many other people had the same problem. Found an Answer...
The Problem was one of the connector to the heating element was poor quality and if you don't clean your smoker on a regular basis. The heat and moister caused the small copper connector to corrode and the wire to come loose. I took a wood chisel and cut off all the rivets on the back. I was then able to pull the back off with no damage and access the small box in the lower back. I found the connector. Went to the hardware store and bought a replacement for .75 cents. A pair of wire crimpers and the problem was fixed. I also bought ½ inch Sheet metal screws to secure the back it was good as new. So I returned the smoker to my buddy and kept the new one. When it arrived I saw Masterbuilt has since fixed the problem and provided an access panel to the element and connectors.
Mike in Alaska
Posted on Jul 03, 2010
Had the exact same problems. I took off the electronic control unit and made sure the probe was still connected (unplugged and checked the pins for damage). After reassembling the unit everything worked fine. My guess is that the probe was not properly connected, therefore it was showing 32 deg all the time. Once it was properly connected, the actual temperature showed on the display. Hope that helps.
Posted on Mar 26, 2011
I have one that is 3 yrs old and just had the same problem. After reading other posts this is what I did. I removed the wood chip holder. This is accomplished by removing two phillips head screws from the holder on the right where it attaches to the inside wall. Then the are to small bolts that have to be removed where it attaches to the frame in the center. Now you should all of the heating element. Remove the two outer screws where it attaches to the back wall. Don't take out the center one, it attaches the ground wire on the other side. Tip the heating element up and gently pull it out, it won't come far and you should be able to see if one of the wires has burned through. The wire had burned off the right hand portion of the element in mine. To repair it you need to access it from the back. Take out the screws that hold the time/temp control on top. Drill out all the rivets from the back outside panel, remove the bottom screws from the drip pan holder, and pull the panel off. Towards the bottom you will see the back side of a small metal box that covers the heating element connections. Pull that box out. Get some blue or red rtv sealant from your local auto parts store Clean the area around where the element mounts on the inside, put some sealant on the mounting plate and remount it. This serves to make it water tight to help prevent corrosion inthe future. I chose the leave the connection cover off the backside. If you do that as well you might need to use small bolts to remount the element since the screws screw into that box. In order to remoun the element wire you will need a yellow male spade clip available at the auto parts store, home depot, etc. Strip about 3/8 in of the insulation of the burned wire, place it in the center of the spade clip and crimp the yellow part. Slide the clip onto the element end. Reattach the time/temp control, plug in the smoker and turn it on to see if it heats. You can lightly and quickly touch the element inside the smoker to check for heat, carefully of course so you don't get burned. Assuming it works, unplug everything, return to the back and use rtv sealant to completely cover the connections to the element. Wait for it to set up and recoat a 2nd time. Plug everything back in and do a 2 or 3 hour test run. If that goes well, apply rtv sealant to the back of the smoker and use #10 1/2in sheet metal screws to reattach the back. Good luck!
Posted on Oct 13, 2011
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