This can occur when the MOTIF-RACK ES Multi Part Editor MIDI input and output port settings are not set appropriately.
Refer to the following and make the appropriate MIDI input and output port settings.
NOTE: The examples apply to a MOTIF-RACK ES unit connected to a computer running Windows XP via USB (with USB-MIDI Driver ).
MOTIF-RACK ES Multi Part Editor Settings1. Launch the MOTIF-RACK ES Multi Part Editor.
2. Select Editor Settings from the Settings menu, and set the parameters as shown below. When using the MOTIF-RACK ES on its own, remote input/output port to should be set to: NONE. This parameter is normally used with devices that feature remote control capability, such as the 01X or MOTIF ES.
Remote Input Port = NONE
Remote Output Port = NONE
Input Port = Yamaha MOTIF-RACK ES -1
Output Port = Yamaha MOTIF-RACK ES -1
3. Click the OK button to close the window.