<![CDATA[SoliForum - 3D Printing Community — Rumba - Print bed]]> https://www.soliforum.com/topic/11080/rumba-print-bed/ Fri, 25 Sep 2015 00:26:32 +0000 PunBB <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/106178/#p106178 Thanks wardjr glad I havent gone crazy.

]]> Fri, 25 Sep 2015 00:26:32 +0000 https://www.soliforum.com/post/106178/#p106178 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/106171/#p106171 lueman wrote:

I thought the bed is basically a straight wire no (+, -)

This is an old thread and pictures have been changed.  You are correct in that bed heater wires have no polarity.  The HB PWR connections (power into the board) do need the correct polarity.

]]> Thu, 24 Sep 2015 23:06:57 +0000 https://www.soliforum.com/post/106171/#p106171 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/106157/#p106157 I thought the bed is basically a straight wire no (+, -)

]]> Thu, 24 Sep 2015 18:47:57 +0000 https://www.soliforum.com/post/106157/#p106157 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/95375/#p95375 I don't know you may want to contact the seller.

]]> Sun, 10 May 2015 16:47:11 +0000 https://www.soliforum.com/post/95375/#p95375 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/95374/#p95374 Do you have the correct board selected in firmware?

]]> Sun, 10 May 2015 16:45:14 +0000 https://www.soliforum.com/post/95374/#p95374 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/95372/#p95372 The connection is ok (I made an error drawing the colours).
What I have to check more?

]]> Sun, 10 May 2015 16:02:43 +0000 https://www.soliforum.com/post/95372/#p95372 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/95367/#p95367 You do the first connection pictured if you simply made an error drawing your colors.
Red should be positive and black should be negative.  If you actually wired it with the polarity reversed as in the photo, you'll need to correct it.  I can't say if having the polarity reversed would damage the board or not.

]]> Sun, 10 May 2015 15:12:54 +0000 https://www.soliforum.com/post/95367/#p95367 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/95366/#p95366 Whiteshark wrote:

Or should I do this connection?

Not this one delete it to avoid confusion please.

]]> Sun, 10 May 2015 15:08:28 +0000 https://www.soliforum.com/post/95366/#p95366 <![CDATA[Re: Rumba - Print bed]]> https://www.soliforum.com/post/95358/#p95358 That is good test, so obviously your bed heater works.  I'm not familiar with the Rumba, but you need to check the output.  Either the MOSFET is bad, or some firmware setting is wrong.

Hopefully someone familiar with that board can help.

]]> Sun, 10 May 2015 13:17:20 +0000 https://www.soliforum.com/post/95358/#p95358 <![CDATA[Rumba - Print bed]]> https://www.soliforum.com/post/95356/#p95356 hi,

After several problems, I changed the board to Rumba.
I have some problems to setup, but I have to fix one by one. Here's the first one:

- Print bed doesn´t heat; is the wiring correct (see picture)?
- If I connect the bed heater to the extruder pins and select "heat extruder", the bed heats.

Thanks in advance.

]]> Sun, 10 May 2015 12:59:32 +0000 https://www.soliforum.com/post/95356/#p95356