Ralph D posted:Thanks all, but I am committed to replacing All 4 Triacs and Bridge rectifier. Parts are on the way and I have started to remover the triacs. Decided I needed to upgrade my soldering kit as well.
Great input and discussion and much appreciated. I will return once repairs have been effected.
Ralphd
Ralph sorry we came in with a solution that did not consider the motors first which would have been the easiest diagnosis. Please realize that we all keep up with the forum from a third eye and have a life outside the forum so the obvious can sometimes fly over our collective heads. I am afraid you cut the triacs and heatsink off the board so you could get the part number and there is no going back. If not DON'T. You'll need the parts you ordered eventually but for now it is easy enough to test the motors. Even if you eventually install new parts you don't want to try and power up a bad motor with the board. If you do test them mark them so you get the wires back on the correct side. I bought a kit of 8 colored sharpie like pens at the dollar store just for this task. While your getting up to speed order yourself an anti-static mat and grounding bracelet. Their cheap on eBay and some sellers have US warehouses if your in a hurry for a couple more $. Make sure the soldering iron is ESD (electrostatic discharge) safe. NEVER use a soldering gun on modern electronics. They are induction devices and the tip usually has a potential to ground over 30VAC. j
