@Phaedrux The bigger watt power supply seems to have fixed the chirping humming noise, and the red led for the bed heater is solid and no longer flashing!
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Best posts made by slabstations
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RE: Duet 2 Wifi Dual Z issue after increasing esteps
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RE: Serial Tools Terminal Repeating WiFi reported error
@jay_s_uk yes it is the same in serial tools. I just had to disconnect and reconnect the board.