Yamaha Disklavier E3 Series Maintenance Handbook page 45

During Key Measurment
Error Messages
E0
E1
A history of error occurrences during operation and measurement can be checked in
the Service Center mode "1-7 Log view".
Communication and operating conditions for individual units, which are checked on a
regular basis, can be copied with an external USB memory.
Refer to the Service Center Mode for more information.
4.Remedies for Other Problems
A) Power Supply Problems
1. The power does not switch ON.
• Check the AC outlet voltage.
• Check power cord connections.
• Check the main power on the PS unit.
2. Power is not supplied to a particular unit.
• Start the Service Center mode.
• Use Piano Information  1-1. System Connection to check communication and
B) Playback Problems
1. No playback.
• Check communication between the units.
• Check power supply voltage for playback.
Situation
The sensor event value does not
match with the measurement (the
relationship between small and large
is incompatible).
Cannot obtain the sensor event.
power supply voltage between the units.
43
Remedy
Check the key adjustment (pay particular
attention to uneven keys in the balance section).
Check the key rail adjustment (the space
between the key rail and keyboard is not large
enough).
Check the key sensor's height adjustment.
Check sensor head position and key shutter.
Carry out the measurement again.
Check the key sensor's height adjustment.
Check sensor head position and key shutter.
Carry out the measurement again.
If the problem occurs with all keys, check the
connection between the key sensor unit and the
CSP unit.