Troubleshooting
Fix the problem.
Start with the symptom. Each guide puts the fastest documented checks first.
Korg / Prophecy
Common fixes
Official manual
Prophecy arpeggiator won't sync to external MIDI clock
The arpeggiator runs at its own speed or does not start with your external clock.Official manual
Prophecy keyboard makes no sound after a MIDI setup
The keys still transmit MIDI, but the Prophecy itself is silent.Official manual
Prophecy notes trigger twice with a sequencer
A sequencer returns the same notes you play to the Prophecy.Official manual
Prophecy is not responding to incoming MIDI notes
An external keyboard or sequencer sends notes, but the Prophecy does not play.Official manual
Prophecy ignores Program Change messages
A sequencer sends a patch change but the expected program is not selected.Official manual
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.Official manual
Prophecy keyboard makes no sound after a MIDI setup
The keys still transmit MIDI, but the Prophecy itself is silent.Official manual
Prophecy notes trigger twice with a sequencer
A sequencer returns the same notes you play to the Prophecy.Official manual
Prophecy is not responding to incoming MIDI notes
An external keyboard or sequencer sends notes, but the Prophecy does not play.Official manual
Prophecy ignores Program Change messages
A sequencer sends a patch change but the expected program is not selected.Official manual
Prophecy does not receive SysEx data
An editor or librarian sends System Exclusive data that the Prophecy ignores.
Korg / minilogue
Common fixes
Roland / TR-8S
Common fixes
Akai Professional / MPC500
Common fixes
Roland / SP-404MKII
Common fixes
Official manual
SP-404MKII is not following external MIDI clock
The SP-404MKII tempo remains internal rather than following a clock source at MIDI IN.Official manual
SP-404MKII external MIDI notes are not triggering pads
A keyboard or sequencer is connected, but its notes do not play the intended SP-404MKII samples.
SP-404MKII is not following external MIDI clock
The SP-404MKII tempo remains internal rather than following a clock source at MIDI IN.Official manual
SP-404MKII external MIDI notes are not triggering pads
A keyboard or sequencer is connected, but its notes do not play the intended SP-404MKII samples.
Arturia / MicroFreak
Common fixes
Official manual
MicroFreak keyboard sends MIDI but makes no sound
The MicroFreak appears silent from its own keyboard after setting up a sequencer or DAW.Official manual
MicroFreak is not receiving MIDI on the intended channel
A controller or DAW is sending MIDI, but the MicroFreak does not respond to the expected notes.
MicroFreak keyboard sends MIDI but makes no sound
The MicroFreak appears silent from its own keyboard after setting up a sequencer or DAW.Official manual
MicroFreak is not receiving MIDI on the intended channel
A controller or DAW is sending MIDI, but the MicroFreak does not respond to the expected notes.
Korg / microKORG (2002)
Common fixes
Official manual
microKORG arpeggiator is not following external MIDI clock
The original microKORG arpeggiator runs at its own speed instead of the external sequencer tempo.Official manual
microKORG is not receiving a supported SysEx data dump
A compatible data dump is sent, but the original microKORG does not accept it.
microKORG arpeggiator is not following external MIDI clock
The original microKORG arpeggiator runs at its own speed instead of the external sequencer tempo.Official manual
microKORG is not receiving a supported SysEx data dump
A compatible data dump is sent, but the original microKORG does not accept it.
Korg / minilogue xd
Common fixes
Elektron / Digitakt (original)