It (Hydor Selz S30) only managed about 2 months continuous service. Little piece of fscking sh*t
Of course, it waited for me to void the warranty by cutting off the molded plug before it decided to pack in. Luckily it didn’t take my PC with it: ) (suspect it would have done, had I left it on - despite shutdown/f, prolly would have locked up or something first :shrug: )
So after removing the pump from the loop, I decided to investigate further. To start with, it was not humming at all, so I suspected burnt out motor winding.
On close examination, I thought I could see some fine cracks on the back of pump body, so I decided to open it up, hoping to find wet corroded motor coil. I got a faint whiff of burnt "something" as well, maybe just imagining this though. A bit of sweating and cursing with a cutter, and all is revealed. Not.
Next test, multimeter….
3.8MOhms = nearly open circuit. Maybe water in there? Check if theres any electrolysis going on.
Volt meter reads 32mV , dropping slowly. Guess that’s that then.
I might do some more dissecting if I get a minute, to confirm my suspicions...
Conclusion: I think it's buggered because some water has managed to get inside, probably through the cable exit (even though its all sealed in resin). Possibly the water ate away at the connection between the supply lead and the winding, leading to an open circuit.
So that would mean I'm also lucky not to have died from electrocution the numerous times I've had my hand in the water at the same time…hehehe whoops. IP68 does mean it will run submerged, huh?
Anyway system is now running pumpless, bucket of water sitting nearly on top of case…at a nice underclocked 53°C (not bad!) until I buy a new pump. Which will _n o t_ be running submerged
