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Key B2 playing to loud, not touch responsive

I bought this piano 3 months ago from music store, he was workign fine until 3 days ago when the key stopped working properly, it is too loud. I already opened the piano yesterday , and cleanned the rubber (which had no dust in it) but it seemed to have fixed the problem , but today the piano is giving the same problem on the same key

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What is your piano brand and type?
Damage to the contact rubber can cause note plays loudly or,
note does not plays at all.
It is caused by:
1. Carbon rubber contacts dirty / dusty (yellow arrow). Clean with a pencil eraser (or cloth). Gently rub it.

Key B2 playing to loud, not touch responsive - key-b2-playing-loud-not-touch-wy0wtjmd43l3of51yru11dct-4-0.jpg

2.
Contact rubber is torn (your case). If this happen,it can not be repaired or glue. So, you have to replace one octave.
The yellow arrow indicates the side that is often torn.


Rubber side that is torn, usually not seen, unless we move / pressing gently on top (In the rubber contact position is not installed on the board.)
Examples of this picture was yamaha psr.

.

Posted on Oct 17, 2015

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Posted on Jan 02, 2017

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