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Hot end heating up super slowly  

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Starlorddeen
(@starlorddeen)
New Member
Hot end heating up super slowly

I just replaced my hot end. Before it didn’t have any problems heating up. Now it takes a long time to heat up as well as having a hard time getting past 175 C. I have made sure everything is in its right place plugged in. Made sure all the screws are snug or tight. And I have run the pod calibration twice now, once with fan attached and one with fan not attached. What do I do now?

Napsal : 24/04/2018 11:19 pm
BillC
(@billc)
Reputable Member
Re: Hot end heating up super slowly

Where did you get the replacement and did you accidentally buy a 30W instead of a 40W unit? If you have a 40W, then do you have a break in the cable that is reducing current flow?

Bill
Tagaytay City, Philippines
Founder member of Philippines Prusa Printer Owners FB Group
Sponsor Pillars of God Academy in Bacoor

Napsal : 25/04/2018 4:29 am
Starlorddeen
(@starlorddeen)
New Member
Topic starter answered:
Re: Hot end heating up super slowly

I bought the replacement from the E-shop (here on Prusa web site) and it says 24v 40w. I haven't checked for breaks in the wire. It heats up at a steady rate and then slows when it hits 130 and then crawls to 170 never passing 180.

Napsal : 26/04/2018 4:46 am
BillC
(@billc)
Reputable Member
Re: Hot end heating up super slowly

You are posting in the MK2S forum and the MK2S uses 12V - do you have a MK3?

Bill
Tagaytay City, Philippines
Founder member of Philippines Prusa Printer Owners FB Group
Sponsor Pillars of God Academy in Bacoor

Napsal : 26/04/2018 7:30 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
Re: Hot end heating up super slowly

Mk2s has a 12 volt powersupply,
a 24 volt heater will never work properly on half power.

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Napsal : 26/04/2018 10:55 pm
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