One of your keys may be broken. Still remain problem of Mi-Fa and La#-Si Yamaha Clavinova sticking keys / sticky keys / stuck keys - problem with one or more white keys - key can be played but stays stuck down or only partly returns or returns very slowly - can be ⦠(but both working if played alone or togheter) Same problem with Mi-FA After putting vertical a couple of times and played all lowest keys several times it worked for me. ... the switch is a "Rubber Contact Membrane" or "Carbon Tactile Keys" or "rubber-coated switch" FYI a comprehensive study ... here the official documentation from Yamaha, it could be helpful. Attachments. As a âclaim to fameâ I was twice offered the job of Chief Engineer but it meant moving to Milton Keynes and not ever working on any other makes â so both times I declined. Broken Keys: Find out where the problem lies if the keys are not stuck because of dirt and they are not sounding correct. WITHOUT PREJUDICE September 2012 update from Yamaha UK: support still continues for some models. https://www.wikihow.com/Connect-a-Yamaha-Keyboard-to-a-Computer The keys are making a sound when they are released and so there is a soft thud as they come back up after being pressed. I have a hair dryer i use on my keyboard and now my keyboard is working properly. I am trying many ideas which givesn on internet. We have performed a factory reset procedure on it and that helped a little bit but I still have a few keys that are giving me problems. Time is of the essence - support won't continue forever for the remaining models. 3. I think it was some humidity. Is there an alternative pedal I can connect to the instrument or does it require ⦠read more The Yamaha Clavinova model CLP-122S digital piano could barely be heard at the max volume setting. I think its lhappend because of moisture due to rain⦠Insert it gently between keys that stuck, drive them apart and twist it slightly. I have yamaha psr i455, from yesterday its D# and A key of every octive was not working. I have a yamaha clavinova cvp92 and a few of the keys wont make sound unless I really pound on them and a few wont play even then. I have a Yamaha Clavinova CLP-880. The sustain pedal of my Clavinova CLP 120 doesn't work anymore... after "only" 13 years! Hello I play a Yamaha Clavinova CLP 360 at church. The sustain pedals are not working but I have no idea how to fix it. The keys are making a sound. If your piano has an inbuilt screen, such as the CVP Clavinova range, it will notify you that the factory reset has been done so that youâre 100% sure. Also all si not working when LA# is holded before. On Yamaha Arius 141, lowest Fa# did not work. Let's have a look and repair it. Repairs carried out to many of Yamahaâs home keyboards, professional keyboards, Clavinovas, pre-Clavinova digital and electronic pianos and some synths. The touch control on my Clavinova CLP 230 is not working properly.