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Re: i need help with Heatbed MK2a
Posted: Fri May 22, 2015 12:22 am
by gastipincha
if i need to change the 2 fuses in the board, the ones of 5 ampere and 15 ampere , whic are the caracteristics ?
if i go to these page :
http://www.littelfuse.com/products/fuses.aspx
How do i find them ? pls i need help with these as soon as posible
Re: i need help with Heatbed MK2a
Posted: Fri May 22, 2015 2:28 am
by gastipincha
hello
I need To remplace 1 of the fuses in the controler board, the one of 5 AMpere fuse.
ITS A littlefuse one , but i need to know which one is it , so i can buy a similar one andremplace it....
In this page you can look for the fuse , and if u can find it ,would u tell me Which one is it pls ? i need help with this im very frustated , because nathing is working at it should with my NEW printer so pls take a look
http://www.littelfuse.com/products/fuses.aspx
Re: i need help with Heatbed MK2a
Posted: Fri May 22, 2015 8:49 am
by zhangxueyou
Re: i need help with Heatbed MK2a
Posted: Sat Aug 01, 2015 5:39 am
by gastipincha
Hello i have mesured this voltage ... there is no voltage and the corresponding lead is not glowing i think thats the problem , but i dont know how to fix it ...
I have an other problem the Z axis cant move smoothly , it goes up but makes a lot of noice , but does not go down...
please can you help me ? this is its very frustrating
thanks for your time
Re: i need help with Heatbed MK2a
Posted: Sun Aug 02, 2015 7:36 am
by gastipincha
Hello i have mesured the voltage here... there is no voltage and the corresponding lead is not glowing when i put the heat bed to heat. i think thats the problem , but i dont know how to fix it ...
i mesured the resistence of the heat bed too
992Ω 992Ω and 991Ω
I have an other problem, the Z axis cant move smoothly , it goes up but makes a lot of noice , but does not go down...
please can SOMEONE help me ? this is its very frustrating
Re: i need help with Heatbed MK2a
Posted: Tue Aug 04, 2015 11:25 am
by Sherry
gastipincha wrote:Hello i have mesured the voltage here... there is no voltage and the corresponding lead is not glowing when i put the heat bed to heat. i think thats the problem , but i dont know how to fix it ...
i mesured the resistence of the heat bed too
992Ω 992Ω and 991Ω
I have an other problem, the Z axis cant move smoothly , it goes up but makes a lot of noice , but does not go down...
please can SOMEONE help me ? this is its very frustrating
hi,the normal range of MK2A is 1-2Ω.if you measure the resistance in acorrect way,it's obvious that the hotbed is open circuit.
Re: i need help with Heatbed MK2a
Posted: Tue Aug 04, 2015 2:31 pm
by gastipincha
this is wat i mesured
Re: i need help with Heatbed MK2a
Posted: Tue Aug 04, 2015 3:16 pm
by Sherry
hi,this is a wrong way .please measure it as the picture shows.
Re: i need help with Heatbed MK2a
Posted: Wed Aug 05, 2015 4:32 am
by gastipincha
OKey , i have mesured that its 2 omh
thanks for your help! ... what should i do next ?
Re: i need help with Heatbed MK2a
Posted: Wed Aug 05, 2015 4:10 pm
by Sherry
then,please check the fuse voltage on the mainboard.please refer to the following picture.