Troubleshooting
Korg Prophecy fixes
Choose your symptom and work through the checks. Each guide includes its sources and any testing limits.
Published by MIDIrock.xyz · About Pete and the site · Page updated
Manufacturer documented
Prophecy arpeggiator won't sync to external MIDI clock
The arpeggiator runs at its own speed or does not start with your external clock.Manufacturer documented
Prophecy keyboard makes no sound after a MIDI setup
The keys still transmit MIDI, but the Prophecy itself is silent.Manufacturer documented
Prophecy notes trigger twice with a sequencer
A sequencer returns the same notes you play to the Prophecy.Manufacturer documented
Prophecy is not responding to incoming MIDI notes
An external keyboard or sequencer sends notes, but the Prophecy does not play.Manufacturer documented
Prophecy ignores Program Change messages
A sequencer sends a patch change but the expected program is not selected.Manufacturer documented
Prophecy does not receive SysEx data
An editor or librarian sends System Exclusive data that the Prophecy ignores.
Prophecy arpeggiator won't sync to external MIDI clock
The arpeggiator runs at its own speed or does not start with your external clock.Manufacturer documented
Prophecy keyboard makes no sound after a MIDI setup
The keys still transmit MIDI, but the Prophecy itself is silent.Manufacturer documented
Prophecy notes trigger twice with a sequencer
A sequencer returns the same notes you play to the Prophecy.Manufacturer documented
Prophecy is not responding to incoming MIDI notes
An external keyboard or sequencer sends notes, but the Prophecy does not play.Manufacturer documented
Prophecy ignores Program Change messages
A sequencer sends a patch change but the expected program is not selected.Manufacturer documented
Prophecy does not receive SysEx data
An editor or librarian sends System Exclusive data that the Prophecy ignores.