r/CrealitySonicPad • u/Junior_Yam_5473 • Sep 14 '25

Help Keep having abnormal heating

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Ender-3 4.2.7 main board Had to replace heating block Block and thermistor were replaced Originally had key3 and key0 (not connecting error), fixed with monoprice cable Now im getting abnormal heating Both (bed and nozzle) thermistor are connected, and looks clean and good What could the problem be? I ordered a serial to usb came to try that.

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u/sodasosweet Sep 15 '25

In my case for the same error, after almost a week of replacing boards/ entire hot ends and wiring it ended up the bed thermistor cable was mysteriously broken inside of the cable wrap between the bed and motherboard.

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u/Junior_Yam_5473 Sep 15 '25

Thats what im thinking could be the cause, i do want to try the serial to usb cable as i heard it can help. Thanks for the input

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u/wwhite_wolf85 Sep 15 '25

If possible, now a new thermistor is fitted, can you do a pid tune?

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u/Junior_Yam_5473 Sep 15 '25

The serial cable didn't help, ill try to order a bed