I replaced this sensor with my old BLTouch and it only flashes red. I checked the wiring three times and everything looks fine. Edit (08/07/2021) They contacted me and exchanged my sensor. I think the wired connection was bad but the one they sent me worked great. I've tapped twice and so far so good. I feel like this one seems a lot more durable than the other BLTouch with a metal probe and case. I probably should have contacted the company first too. Leave a bad review, they were exceptional and the customer service was great.
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