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Most likely the mosfet/diode? in the last picture and possibly leakage from one of the capacitors.
F 1B03? F3OU60??F3OU60ST
Motor Controller Board Chips
| Part | Manufacturer | Description | URL | Datasheet |
|---|---|---|---|---|
F3OU60ST | Fairchild Semiconductor | 30Amperes,600Volts Single Insulated Package Ultra Fast Recovery Epitaxial Diode | https://www.findchips.com/detail/f30u60/229119968-Taiwan%20Semiconductor?quantity=1 | |
| A132 | Lelon | Capacitor 680uF, 200zv | https://www.mouser.ca/ProductDetail/Lelon/LSG681M2D-2540?qs=Y6HSjCmVMmsSFLrzeQ73KA%3D%3D |
Parts
| Part | Description | URL |
|---|---|---|
| 1000111476 | Johnson Fitness 1000111476 Motor Control Board AFG HORIZON | https://www.fitnessrepairparts.com/cart/ViewItem/49014509 |
References
| Reference | URL |
|---|---|
| User Manual | |
Sercice Manual |
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