Fan connectors dont work anymore

[mickey30m]

Hi,

my fan connectors dont work anymore. i had a couple of weeks ago a short on my fan, since that time i have my fan and layer fan on my psu. but now i want to fix this problem.

is there a fuse somewhere? of should i look on something.
i get about 1 volt on my always on fan connector.

and how do you call the connectors on the board. (the white ones) it is jst? i broke some, so i want to change that.

[dc42]

See https://duet3d.dozuki.com/Wiki/Connector_and_spare_part_numbers.

[mickey30m]

@dc42 wow thanks i dont know that page.
i order the parts

many thanks

[dc42]

@mickey30m, the connector part numbers on that page are for the shells and crimps that fit on the cables, but if you look up those part numbers you will find the part numbers for the connectors that you want to replace on the board.

If your Duet is a version 1.03 or 1.04 then the reason the fans don't work is most likely that the 1A blade fuse has blown.

[mickey30m]

@dc42 i have a 1.04

okay thanks i ordered some so i hope there will be soon delivered.
maybe time for another duet. for my other printer

[mickey30m]

@dc42 link text is this the right one, i dont can buy it from farnell because they dont accept my creditcard for some reason.

[dc42]

No that's not the right mosfet. Search for PMV40UN2.

[mickey30m]

@dc42 

someone tell me if the mosfet is done??
;-)_

[dc42]

Sometimes when the mosfets fail there is a hole or burn mark in them, but those look OK.

Do the always-on fan connectors work? If not, then the blade fuse has probably blown.

[mickey30m]

@dc42 blade fuse is the blue (car fuse) ?

I now have disconnected everything so i will check IT and put power on it to test

Question when i disconnected everything and power the board. And in web control i slide the fan on. It will put power on the fan connector?

[mickey30m]

@dc42 when i measure the volts. i get on the left connector. 0.00 and on the other connectors 0.15volt

@dc42 an idea why?
i dont see things that are damaged