2017.04.07

Hakko Soldering Iron Fix

Once upon a time at the museum we found an old Hakko FX-888D soldering iron for Sam to use. He tried to soldering things, but it did not work. I tried soldering things with my Hakko FX-888D soldering iron and it worked great! I looked at his iron and declared it “not working properly” and then we stopped using that one.

This week I tried using my Hakko FX-888D soldering iron and it just did not work. I ‘raised’ the temperature and it still didn’t work. Meanwhile, Becky soldered about a dozen buttons while I was still trying to do one. The solder would melt but not stick. Weird, and then I discovered that I probably managed to “adjust” the temperature instead of “change” the temperature. Yeah, confusing, right?

This is (sort of) explained in the Hakko FX-888D soldering iron manual, very poorly, but start on page 5 and see if it makes sense. If not, watch this video.

If you don’t want to watch the video, here’s the procedure for resetting the Hakko FX-888D soldering iron to the factory defaults, which totally fixed my problem of it not getting hot enough to make good solder joints.

  1. With unit turned off press both UP and ENTER buttons
  2. Turn the unit on while continuing to press both UP and ENTER buttons
  3. The display will flash the letter “A”
  4. Release both the UP and the ENTER buttons
  5. Press the UP button
  6. The display will show the letter “U”
  7. Your iron is now reset!

I’m posting this here because future me will probably screw it up again, and then I’ll read this post and know how to fix it. Also, if Becky ever screws it up, she can look here too!

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