JETBLACK VICTORY SMART TRAINER General Troubleshooting
| CONF | DIAGNOSIS | PART MATCH | ACTION |
|---|---|---|---|
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85%
CONF
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Main Control PCBA
The resistance in this direct-drive trainer is generated electromagnetically and controlled by the logic board via PWM signals. A 'stuck' resistance symptom indicates the board's power-stage is unable to modulate the current flowing to the coils, often due to a failed MOSFET or a firmware-induced logic lockup. This results in the magnetic field remaining at a fixed intensity regardless of software commands.
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15%
CONF
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Drive Belt
Internal research suggests that rough handling during shipping of the heavy 4.7kg-5.9kg flywheel can cause the drive belt to derail or wedge. If the belt becomes lodged between the pulley and the chassis, the mechanical resistance will feel 'stuck' or immobilized, preventing any flywheel rotation.
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DIY Repair Guide
Watch exactly how to replace the Main Control PCBA.