Disklavier

The E1 indicates there was an error on Key 52.

HS means hammer sensor. GS means Grey Scale.

It sounds like key 52 has either lost its grey scale shutter attached to the hammershank or it is damaged. Have your piano technician remove the action from the piano and check. The shutter is probably sitting on the keys or fallen through the keys.

Bill Brandom

Sent from my iPhone


On Oct 21, 2012, at 3:49 AM, Julien Roche <julien.roche@...> wrote:

> I came in maintenance mode from PRC100 to check my DKV Maark IV M4
>  
> in MAINTENANCE MODE
> SENSOR MEASURE
> executing MESURE
> HS GS check
> I have :
>  
> 52key : E1 HS GS may be missing
>  
> (the key in fact is very slightly moving and the cord is not touched) . In manual play this key 52 works very well.
>  
> Can this info help to trace the problem ?
>  
>  
>