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UMO+ heated bed does not heating

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Posted · UMO+ heated bed does not heating

hello,

the heating bed does not work.

The fault analysis has shown that the delivered heating bed does not correspond to that in the instructions.

The connections are interchanged from the heating and sensor PT100!

The terminals are not labeled; check with measurement:

PT100 results in 100 -120 ohm, heating bed only 3-4 ohm.

Luckily nothing goes wrong because the driver does not give any power to the wrong connected device.

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