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The Oral-B Triumph v2 is an electric toothbrush series. Models include the Oral-B Black 7000 (depicted and used in the guide) as well as brushes with types 3761, 3762, and 3764.

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Is the Pressure Sensor Broken?

The pressure sensor on my toothbrush seems to be broken, it gives constant red light even though the head isn't pressed to anything. Oral-B have asked me to clean the metal pin with warm water to clean up toothpaste build and drain the battery and recharge it again for 24 hours to fix. It doesn't work. Any fixes?

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2个回答

#1 If this only happens when the toothbrush is on, the pressure sensor plate doesn’t get a connection.

It’s a a little metal spring with two contacts pressing against the motor housing and the contact opens if too much pressure is applied.

Try cleaning these contacts and the opposing area if they still visibly connect. If they are bent, you might have to take apart the whole thing to straighten them.

#2 I had a similar problem where the red light came on even with the toothbrush off, completely draining the battery over night.

Opening it up, it seemed that the metal spring created a short between the upper frame and the battery.

Wrapping the spring in some duct tape seems to have fixed that issue.

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Update on the “red/green light of death“:

After the problem came back for me after a while, I took a closer look at the toothbrush.


The reason for the LED lighting up is actually a short between the metal cage and the feed wires for the LED.

These were bent into the direction of the cage in my case.

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Bending the wires up now permanently fixed the problem

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Ahmed Talha 将永远感激不已
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