Uploaded February 2026 | Updated September 2026, 2 weeks ago

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Fixing a MOTU MIDI Timepiece AV: Battery Replacement, Symptoms, and Testing (macOS + Clockworks)
If your MOTU MIDI Timepiece AV keeps forgetting presets or shows up as a “new” interface every time you power it on, the internal battery is likely dead. In this video, I walk you through identifying the symptoms, opening the unit, swapping the battery, and verifying everything in macOS Audio MIDI Setup and MOTU Clockworks.

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Chapters
00:00 Why the battery matters
01:19 macOS Audio MIDI Setup behavior explained
03:34 MIDI Timepiece as an 8x8 matrix (USB + standalone)
05:55 Opening the unit: screw locations and approach
07:36 Finding the battery and spotting early leakage
09:11 Recognition test in macOS after replacement
12:30 Wrap-up