Fanuc Control Generation
Fanuc Power Mate i Repair
Fanuc Power Mate i is the dedicated-axis or servo-positioner control — it handles single-axis positioning applications and dedicated rotary indexers. Service work is mostly drive amplifier, encoder, and parameter recovery rather than full-control issues.
Machines this control shipped on
Power Mate i shows up as a dedicated-axis control on rotary tables, indexers, bar feeders, and other auxiliary equipment integrated alongside primary CNC platforms. It often runs as a subordinate control under a primary Fanuc 0i, 30i, or similar host.
Common failures and fixes
- Drive amplifier faults — the most common single issue.
- Encoder issues — contamination or signal loss.
- Parameter loss from battery failure.
- Communication faults with the host CNC.
Parts availability
Power Mate i parts are supported through Fanuc on current generations. Older Power Mate i builds may have parts heading toward aftermarket.
Battery, memory, and parameter recovery
Parameter backup on Power Mate i follows the standard Fanuc workflow. The single-axis nature makes the parameter set smaller, but the discipline is the same — backup before any battery or board work, verify the restore.