Lulzbot silicone bed... defective?

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Lulzbot silicone bed... defective?

Post by ampapa » Thu Nov 23, 2017 7:36 am

Is there a proper way to test for a defective heater?

I have an NPH PC-BD0027 24v 360w heater that may be defective.

I'm just looking for a way to confirm or deny.


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Re: Lulzbot silicone bed... defective?

Post by piercet » Thu Nov 23, 2017 10:23 am

The heaters are made of concentric heating coils in kind of a square shape. A defective heater would be missing power to one or more of those coils. There is no cicil mdatly over the area where the wires and thermistor enter the bed. If theabed isn't heating atll, it ccoould bearak in the main wires, or a fault with the Rambo board

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Re: Lulzbot silicone bed... defective?

Post by gghouck » Wed Nov 29, 2017 6:02 pm

Check the heater with an ohm meter, it should read around 2.4 ohms. If it is drastically different then I would suspect it is bad. Make sure you check it when the bed is unplugged.

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