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Gariep

Block heater clogged, possible short in heater cable, printer shutdown.

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Hi everyone,

I have an Ultimaker 2 extended+.

I let the printer run overnight to find it stuck and clogged this morning.

The whole block was surrounded with nylon. I tried to heat the block to unclogged it but the light flicker and the printer shut down after a few seconds of heating the block.

I guess there is a short in the cable caused by the hot nylon that melted the cable.

I managed to remove the heater and heat sensor.

I tested the resistance of the heater and I get 1.2 Ohm (heater is cold)

Is this a normal reading? Should I change the heater?

I would also like to change the block.

What do you suggest and where can I buy these parts? I'm in Canada.

Is it possible to upgrade with a better head design or with the Ultimaker 3 interchangeable head?

Any suggestions are welcome

Regards

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The heater should be between 20W and 40W depending where it came from and how old the printer is. Most older UM2's have 20W to 25W and the UM2+ I think might be 30W if I remember right.

40W is the lowest ohms you should see which is 14.4 ohms. 1.2 ohms is indeed broken and should be replaced.

You can get blocks from shop3d.ca in canada. I'm pretty sure they can sell you a heater also. Or you can get those things from my store (thegr5store.com) but those parts will take about 10 days to get to Canada.

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