MFC 2.18 Midi Thru Looping Bug

favance

Power User
Looks like when running 2.18 MFC Firmware, when you turn on the "Midi Thru" parameter on the Axe-FX II I/O menu, any patch switching on the MFC starts the MFC to flash furiously and the Axe-FX does not respond. It's like the system is in a loop, rapidly sending MIDI messages between the MFC and Axe-FX.
 
So, I was finally able to determine what was happening. Once I turned on the "Midi Thru" switch on the Axe-FX, it appears it was sending midi messages out not only to the Axe-FX Midi Out/Thru port, but also to the MFC. In order to disable this, I had to turn OFF both the "Midi RX Channel" and the "Midi RxProgramChange" on the MFC. This cleared up the flashing issue.
 
how is your mfc connected to the axe? ethernet or MIDI?

why do you need the MIDI thru enabled (if your MFC is connected via MIDI)?
 
I'm connecting using the ethernet cable. Midi thru is required in order to send the midi out when ethernet is connected. Just make sure you turn off the Midi RXChannel/RXProgramChange on the MFC.
 
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