2015Follow Focus forum
Repair options and technical challenges for Digital M-One follow focus motors
What the thread found
- The Digital M-One motor uses an encoder instead of a potentiometer, and the encoder is integrated into the motor unit and cannot be replaced separately
- Repairing a faulty encoder in a Digital M-One typically requires ordering an entire new motor and encoder assembly
- The M-One motor uses a triangular spline coupling on the shaft, which means a replacement motor shaft must be custom-machined to fit this coupling
- Replacement motor and coupling work is expensive and time-consuming due to the custom machining required
- Repair attempts without access to original manufacturer parts are significantly constrained by the integrated encoder design
- Third-party service options exist but may have limited capability compared to manufacturer repair
Depends on
- The discussion focuses specifically on the Digital M-One model; analog versions may have different repair considerations
- No confirmation provided that third-party repair shops can successfully perform encoder replacement or coupling work
- The integrated encoder limitation applies only if the motor uses the same manufacturer encoder as commonly used across the industry
Parts
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