My temperature adjustable (40 W) Micron soldering station was dead when I tried to turn it on last night. Fuse was OK. But no other sign of life -- no front LED, no heating etc.
Not sure where to start looking but do the ceramic heating elements on these die? How can I test the element? It is a two wire only element (no separate temp sensor).
Cheers Glenn
On Sun, 3 Aug 2008 16:18:54 -0700 (PDT), Glenn put finger to keyboard and composed:
Mine had a dry solder joint. Later on the cable for the handpiece went OC. I've also had to shorten the mains lead due to a break at the point where it enters the base.
BTW, to fix the dry joint, I held it closed with an insulated stick, then let the iron warm up. I then switched off the iron and reflowed the joint with the residual heat.
- Franc Zabkar
-- Please remove one \'i\' from my address when replying by email.
Thanks Franc. There is resistance across the element (about 400 ohms) so I'm guessing it's OK. I have found a zener on the control PCB that appears cactus. I'm confused though. The board marks it ZD1 and shows 94V - 0 next to it. I assumed this meant a 94 volt zener. However, when I removed it, it was marked BZX55C 8V2, indicating an
8.2 volt zener.Glenn
On Tue, 5 Aug 2008 04:59:15 -0700 (PDT), Glenn put finger to keyboard and composed:
I believe "94V - 0" is some kind of UL certification mark (flammability rating) that has been granted to the appliance.
- Franc Zabkar
-- Please remove one \'i\' from my address when replying by email.
Thanks again. Nice place to put a label like that. Replacing the dead zener appears to have fixed it.
Glenn
ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.