Procond MC-70 124438 treadmill board

The Procond MC‑70 (part 124438) is the main motor‑control board used on a range of commercial treadmills (HealthRider, NordicTrack, Reebok). Common failure modes include power‑rail degradation or blown fuses on the 12/24 V supply, burnt or open ICs in the motor driver section, and relay or MOSFET failures that interrupt speed control. First‑check diagnostics should verify the board’s input voltage and continuity of the power rails, inspect for visible burn marks or cracked components, and review any error codes displayed on the treadmill’s HMI.[oss-gpt-20b]

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