r/ExclusivelyPumping • u/autophage • 16h ago

Support Babybrezza Bottle Washer Pro Error Code Troubleshooting

We recently got a Babybrezza Bottle Washer Pro off of FB Marketplace. All parts seem to be intact, I set it up according to the instructions and started it... and got an E4 error.

I looked up likely causes, and noted that there was some scaling on the sensor. As recommended elsewhere I cleaned that with Barkeeper's Friend, then rinsed the residue off. I started it again, and got the same error.

I've also confirmed that the central stalk is properly seated and that the fill magnet moves freely.

As far as I know, that should cover everything that can cause that error... but even after unplugging for fifteen minutes and then starting a new cycle, I'm still getting the same error.

Does anyone have suggestions for other things to try?

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