The wires are good and tight - I've resoldered twice already, using
I really feel like at this point it's either software (which is weird,
since it worked fine on R20 and new firmware before the incident) or a
bad resistor. Tomorrow I should be able to pull it apart once more and
check everything, unless anyone else has last minute ideas. I'd really
rather not have to resolder those wires again, and if I bend the
crimps at this point they're likely to break of metal fatigue.
It shouldn't make any difference that the resistor in one of the
packages is slipping out of the heatsink, right? Or would that be
indicative of possible damage? Maybe it's not conducting well anymore?
I just can't think of a situation where the plastruder was generating
over 10W of heat, and these are (supposedly) rated to 12.5W...
On Oct 26, 4:03 am, Zip Zap <zzap...@yahoo.com
> Make sure all your power supply wires to your relay is tight. The de-soldering
> or melting usually happens when you have a blob excess amount of solder at the
> connections. You should wind or crimp your wire to the connections and dab it
> with a small amount of solder. When you see solder droop from the connections
> then scrap off the excess droop with some tweezers. Over time, you will just
> have a small sliver of solder over the connections that will sit still. I've
> used high temp 300C solder and it still melted at 200C when I used too much.
> As for the power or heating up issues, use a separate relay for the extruder and
> one for the HBP. Also, connect each to their own power plug or have the HBP
> relay downstream from the extruder relay. The extruder should have priority
> over the HBP.
> From: j_siegel <sieg...@gmail.com