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Disklavier

Index last updated: 2026-04-28 23:20 UTC

Message

Thermostat

2003-07-31 by Amanda Heidemann MD

Hello all,

I had posted a few months ago about a thermostat error
that I was getting on my new DC2A.  Just wanted to
offer some follow up:

Had the Yamaha tech out, and he worked the piano over
pretty thoroughly.  He thought there was a
misalignment in the sensor for the pedal, as well as
the shift wasn't working right, and that may have
caused it to overheat.  It did well for a couple of
months, then started doing it again (Thermostat: Piano
Power Off error.)

Another service call, had a new thermostat soldered in
on the pedal solenoid, but still had the problem. 
Then a new circuit board, checked the other two
thermostats as well.  Didn't quite do it.  Tech made
several calls to Yamaha and lots of people were
stumped.

Finally, had another service call, installed a new
solenoid/thermostat combo and it's been fine since.  I
don't know if one or the other was defective, but I'm
glad to report that Yamaha was great through the whole
process and if anyone is looking for a good Disklavier
tech in St. Louis, I've got one.

Just wanted to give a little follow up.

Thanks!

Amanda Heidemann



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