[sudo-discuss] 3D Printer - needs new heating element

[Steve Berl]

Hi Jake,

We measured the resistance and it was an open circuit. The temp sensor was
showing ambient of 19.2C.

Steve

On Friday, November 1, 2013, Jake wrote:

> Hol,
>
> you forgot to put any text in your post at all!  please be clear of how
> you came to this conclusion.
>
> The heating element is a resistor glued into a block of metal on the end
> of the extruder.  It has two wires which go to a connector a couple inches
> from it, and they go back to the machine.
>
> To test the heating element, one can unplug this connector and use a
> multimeter to measure its resistance.  It should be something like 8 ohms,
> i don't know the exact value but 100 is too much and indicates it's bad.
>
> it was replaced a little while ago by a technician from the corporation
> that made it.
>
> If the machine is acting up about heating, we need to know whether the
> problem is with the heating or the temperature sensing.  If the temperature
> sensor is reporting ambient temperature, it's probably working.
>
> if the temp sensor is working but the heating element isn't making it heat
> up, it could be the heating element (see test above) or it could be the
> connector near it, or the wires from there back to the main board, or where
> those wires connect to the brain.
>
> can you give more information about what you tried and what you observed?
>
> -jake
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-- 
-steve
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