[Uncle Peter]

Originally Posted by heero_yuy

A buddy asked me to look at an electric curtain controller. No display or action.

Turned out that a track on the PCB had cracked next to a (hot!) dropper resistor in the power supply regulator. Classic failure: Heat and cool cycles cause the copper track to harden and then crack just at the edge of the solder joint. I've lost count of the number of these I've seen and fixed over the years.

That'll be a few beers he owes me.

Thanks to RoHS I bet