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FP30 keyboard water-damaged
#3012056 08/09/20 06:53 PM
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Hi
There was a massive rain in my area and extra-ordinarily big wind at the same time. My Roland FP30 stands near the window, which, unfortunately, was opened. It started raining so suddenly that 2 minutes was enough time to make my piano keyboard get wet all over the A5 - C7 keyboard part. I cleaned it with a towel and left it to dry. After a couple of hours i turned it on and checked if all the keys were alright - they were. But when 3 hours later I turned it on in order to play, I noticed that my C6 (and B5 to some extent) barely work. It's mute unless you click it on specific places with a specific pressure. Is there anything I can do to help my FP30 recover?
Do I need a new piano?

Last edited by kostek525; 08/09/20 06:57 PM.
Re: FP30 keyboard water-damaged
kostek525 #3012063 08/09/20 07:22 PM
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You shouldn't have turned it on.

But the good thing is, most of it should be ok. If the water got in only on the keys, at worst the key's sensor board would be damaged.

In this case, disassemble immediately, remove and allow the sensor board to dry, It's likely got water under the silicone cup contacts that go over the board.

You have to take it apart to ensure drying and such, there's no alternative, you can not blow into it from the outside.

Disassemble it with the keys facing up, this will be bothersome, but it ensures what's left of any water in any cavities won't swivel around and hit the main mother board / other components, whereby you'd be completely out of luck.

Last edited by jeffcat; 08/09/20 07:25 PM.
Re: FP30 keyboard water-damaged
kostek525 #3012064 08/09/20 07:26 PM
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There's a disassembly video of the FP30 on youtube in cantonese, good thing it's a video .

Re: FP30 keyboard water-damaged
jeffcat #3012073 08/09/20 08:11 PM
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Originally Posted by jeffcat
You shouldn't have turned it on.

But the good thing is, most of it should be ok. If the water got in only on the keys, at worst the key's sensor board would be damaged.

In this case, disassemble immediately, remove and allow the sensor board to dry, It's likely got water under the silicone cup contacts that go over the board.

You have to take it apart to ensure drying and such, there's no alternative, you can not blow into it from the outside.

Disassemble it with the keys facing up, this will be bothersome, but it ensures what's left of any water in any cavities won't swivel around and hit the main mother board / other components, whereby you'd be completely out of luck.
How do you want me to dry it? Should I use haridryer?
And what do you mean "keys facing up"? So leave it like normally or upside down?

Re: FP30 keyboard water-damaged
kostek525 #3012078 08/09/20 08:44 PM
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Paper towel , then air dry. avoid any Hot Air. hot air bends plastic.

Re: FP30 keyboard water-damaged
jeffcat #3012086 08/09/20 09:13 PM
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Originally Posted by jeffcat
Paper towel , then air dry. avoid any Hot Air. hot air bends plastic.

https://i.imgur.com/vNhV4Yt.jpeg

This is what I should dry, right?
I've got into this and there's some amount of water. In the space between silicones and motherboard which is under them.

Last edited by kostek525; 08/09/20 09:14 PM.
Re: FP30 keyboard water-damaged
kostek525 #3012088 08/09/20 09:24 PM
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Yea, that's the place.

Look for any dampness on metal.

Check under that piece of shiny tape as well, if there's copper under there you'd have to dry that too. but you're on the right track.

Last edited by jeffcat; 08/09/20 09:24 PM.
Re: FP30 keyboard water-damaged
jeffcat #3012091 08/09/20 09:28 PM
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Originally Posted by jeffcat
Yea, that's the place.

Look for any dampness on metal.

Check under that piece of shiny tape as well, if there's copper under there you'd have to dry that too. but you're on the right track.
can i roll up the sillicones and shiny tape? it won't break?

Last edited by kostek525; 08/09/20 09:29 PM.
Re: FP30 keyboard water-damaged
kostek525 #3012092 08/09/20 09:33 PM
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Originally Posted by kostek525
Originally Posted by jeffcat
Yea, that's the place.

Look for any dampness on metal.

Check under that piece of shiny tape as well, if there's copper under there you'd have to dry that too. but you're on the right track.
can i roll up the sillicones and shiny tape? it won't break?

the shiny tape I don't know, but the silicone shouldn't break, either way, you have to do alot more disassembly than in the video, because water can follow the board underneath. and those metal weights can rust if they're wet, That whole main mounting is a steel plate, it's coated, but again, water = rust.

Last edited by jeffcat; 08/09/20 09:34 PM.
Re: FP30 keyboard water-damaged
jeffcat #3012096 08/09/20 09:46 PM
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Originally Posted by jeffcat
Originally Posted by kostek525
Originally Posted by jeffcat
Yea, that's the place.

Look for any dampness on metal.

Check under that piece of shiny tape as well, if there's copper under there you'd have to dry that too. but you're on the right track.
can i roll up the sillicones and shiny tape? it won't break?

the shiny tape I don't know, but the silicone shouldn't break, either way, you have to do alot more disassembly than in the video, because water can follow the board underneath. and those metal weights can rust if they're wet, That whole main mounting is a steel plate, it's coated, but again, water = rust.
Yeah. It looks like there is still some amount of water at the bottom of the whole case, but I don't feel technically skilled enough to dig at the very bottom.
There's no water under sillicone but it looks like there is quite a bit of it under the tape. I feel insecure about scrapping off all the tape, though

Last edited by kostek525; 08/09/20 09:47 PM.
Re: FP30 keyboard water-damaged
kostek525 #3012173 08/10/20 06:12 AM
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Guys ... I think it's not advisable to suggest do-it-yourself repair to anyone not known to have the necessary skills.

@kostek525: Since you've already opened it up, I'd suggest getting the service manual before going further.
I've not seen Roland manuals before, but I know the Yamaha manuals have **detailed** instruction on disassembly and parts replacement.

You fear messing with these "tapes"? I don't blame you. I'd want to know more before proceeding.

It'll all seem easy the SECOND time you do the work. But the first time is fraught with the possibility of damage.

I think a three-step is in order: Learn. Plan. Then do.

Re: FP30 keyboard water-damaged
kostek525 #3012198 08/10/20 07:57 AM
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I'm not sure waiting is the best plan in this specific case, because water collecting inside a board could lead to trace rot. That's fixable too, but arguably a higher difficulty than attempting to dry the machine quickly.

Re: FP30 keyboard water-damaged
kostek525 #3012206 08/10/20 08:49 AM
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I think given the urgency of your situation, you might try using isopropyl alcohol and paper towel to help displace as much water as possible. You can use an eye dropper or syringe to first suck up as much water as possible, then "flood" a small area with alcohol, then use the same dropper or syringe to suck up as much alcohol/water mixture as possible. Then put the edge of a paper towel near the remaining moisture and let it wick into the paper towel. I wouldn't take anything apart other than what you need to in order to get visible access to the water.
Wow, this was really an unlucky break. I guess it's a reason I never thought of for why using a key cover is a good idea.


Yamaha P90, Kawai GL-10
Re: FP30 keyboard water-damaged
kostek525 #3012240 08/10/20 10:49 AM
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https://imgur.com/a/KkwQ73c
I rolled up the tape and silicones like picrel and cleaned up with paper towel. The only issue left is the one I mentioned, on the second photo you can see reflection on the little amount of water just at the bottom, between that white hammer and the board. I definitely don't feel confident enough to keep going of the case. I do think that the worst issue is behind me (the water under tape and sillicones, which I guess corresponds for key pressure etc)
Now I let it dry.

Re: FP30 keyboard water-damaged
kostek525 #3012269 08/10/20 11:59 AM
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That sensor board is probably 1 sided, but just in case, I'd check under it as well. especially if the cabling is down there, and the water followed the cabling down.

Re: FP30 keyboard water-damaged
kostek525 #3012276 08/10/20 12:51 PM
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If you live in a dry climate, you could put a fan blowing on the open case to help dry things out. If it's damp where you live and you have a dehumidifier, put the piano in a room with the dehumidifier and a fan blowing on it and leave it running until you can't find any more evidence of water. Then cross your fingers and turn it on.


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Re: FP30 keyboard water-damaged
kostek525 #3012305 08/10/20 02:33 PM
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Okay. Thank you all for help, especially @jeffcat


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