You can clean this with a soft cloth to remove any debris and this will immediately free the keys to move up and down the pin easily.Īfter cleaning, it’s advisable to lubricate the pins. However, this would typically require the action to be removed first and this has potential for serious damage to occur as there are thousands of delicate, moving parts which could easily break if not handled correctly.Ī rail pin can become rusty over time. In this case the key slip needs to be removed to look underneath. The other place objects may have slipped down into are underneath the keys where the rail pins are. This can be a very delicate process and care must be taken – you may find it beneficial to book a qualified technician or tuner to attend to the problem. You may not be able to see anything and everything that’s fallen into the action of the instrument straight away – you could use a torch to inspect the action thoroughly to look for anything abnormal in the area where the keys piano keys are sticking. To assess the interior of your piano and find missing objects, the fall board needs to be un-clipped inside and lifted out of place. Paper clips, coins, pencils, sheet music…you’d be surprised what you can find inside a piano! You may even find treasure like this lucky owner! If you find your environment is fluctuating in these metrics, then you should consider investing in a humidifier to regulate the humidity of the room, or alternatively a slow release specialist ‘piano heater-bar’ to ensure consistency in temperature. Typically humidity should be between 40-60% and the temperature range 17-21C. It would be worth investing in a hygrometer (not very expensive) to monitor the climatic conditions of your room. This often causes the felt bushings in the keys to self-compact once again and ease the sticking of the key. To try and fix this issue, the key that is causing problems needs to be depressed firmly but slowly and gently moved from side to side whilst depressing. Because the instrument is made primarily of natural materials, humidity levels can cause the wood to swell, thus the parts enlarge and rub together, restricting free movement.
Levels of moisture in the air can affect how your piano plays. When did the key first start sticking? Had the temperature and/or humidity changed significantly when you noticed the problem? Did you leave anything on the piano keyboard that may have fallen and become stuck? When was the piano last serviced?Īsking questions like these may provide you (and us) a clue as to why your key(s) began sticking – invariably it is due to a change in climatic conditions.
If you are wondering why you have a sticking key, here are some suggested reasons: the key slip being too close to the front of the white keys, objects such as coins or dirty rail pins becoming lodged underneath the keys, or a build-up of moisture affecting the movement of the keys. They are usually easily fixed and are nothing to provoke concern. Sticking piano keys are a common problem for pianists and can be caused by a variety of factors.
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