Part cooling fat goes to 100% "randomly"

checked wiring, c hecked setup wizard, its on EBB43 digital pwm on 2pin port
32 Replies
chicken
chicken•4mo ago
so when you power on the printer it goes to 100%. Does it turn off at all ever?
Dayum
DayumOP•4mo ago
not always thats the confusing part but when its at 100% and i turn power off and turn it back on its coming back with 100%
chicken
chicken•4mo ago
but the web interface of the printer always shows it at 0% correct? trying to make sure there is not something in the software trying to turn it on, not sure what that would be though
Dayum
DayumOP•4mo ago
its "Fan" am i right? the one i can slide from 0-100
chicken
chicken•4mo ago
yes
Dayum
DayumOP•4mo ago
yep its always 0 when i slide it, nothing happens put it to 100% now nothing
chicken
chicken•4mo ago
when its at 100% the fan is still running right?
Dayum
DayumOP•4mo ago
? dont understand
chicken
chicken•4mo ago
you said the fan comes back at 100% when you power cycled the printer
Dayum
DayumOP•4mo ago
yeah sometimes
chicken
chicken•4mo ago
so I assume the fan is running but the slider does not make any changes
Dayum
DayumOP•4mo ago
is it possible that the pwm signal contact is bad?
chicken
chicken•4mo ago
what I am curious on is if you can get it so the fan cycles off and then try the slider to see if it comes on.
Dayum
DayumOP•4mo ago
the board delivers voltage but the pwm isnt controlling it ? how does your fan behave? does it spin up when u use the slider?
chicken
chicken•4mo ago
the fan will be off if it is getting a PWM signal to be off. If it is not getting a PWM signal it will run at 100%. So if the fan is off I suspect it is getting its PWM signal which means the slider should work to turn it on yes
chicken
chicken•4mo ago
No description
Dayum
DayumOP•4mo ago
hmm
chicken
chicken•4mo ago
I have my tach pin wired up so mine shows RPM but thats not part of the documentation so you can ignore it
Dayum
DayumOP•4mo ago
ill rattle a bit on the connector , lets see what happens nothing happened but when i sit back down it went to 100% for 2 seconds that printer is cursed
chicken
chicken•4mo ago
when you say it went to 100% for 2 seconds you mean the slider or the fan itself
Dayum
DayumOP•4mo ago
the fan itself slider did nothing
chicken
chicken•4mo ago
I would go back through the instructions again for the fan and make sure its wired correctly. specifically the pwm pin.
chicken
chicken•4mo ago
No description
chicken
chicken•4mo ago
the blue pin is on the top pin of the 2nd 2 pin jst port correct? or first depending on which way you are looking at it 🙂
chicken
chicken•4mo ago
No description
Dayum
DayumOP•4mo ago
yeah found the error the white crimp became loose... makes 100% sense now will fix it tomorrow... im tired and done for today... but thanks alot for assisting me ! :ratrig_heart:
chicken
chicken•4mo ago
no problem! have a good night
Dayum
DayumOP•4mo ago
Final statement... i removed the crimped molex and soldered the wires... much cleaner and reliable now 😉 and the most important thing of all - it works !
chicken
chicken•4mo ago
Nice work!
Archetype
Archetype•2d ago
Any issues since soldering the wires?
Dayum
DayumOP•2d ago
nope, its just soldering 2 wires together. just dont forgett to apply some shrink tube before u solder them together 😉
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