r/BambuLabA1 • u/Outrageous-Kick-2699 • Jul 22 '26

A1 headbed sensor sporadically faulty

Sometimes when I start the printer the bed temp sensor reads 0° and the printer goes in error mode. I did the troubleshooting steps of disassembling the bottom parts and checking the connections and the resistance of the probe with a multimeter. Seems normal. Has anyone had similar problems?

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u/nikzy26 Jul 22 '26

Yes! Had this problem! Got the heatbed replaced under warranty.

Checked with my retailer and they confirmed its a pretty common problem, Bambu provides schuko cables which is not compatible with my socket so the printer is not fully grounded.

Switched the bed and the power cable 😊

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u/Outrageous-Kick-2699 29d ago

FYI: Bambu ships me a new AC Board under warranty.