Masseuse Ultimate Chiro - Troubleshooting: Foot Roller Abnormalities - Initial Checks; Foot Roller Motor Defect Diagnosis; Foot Roller Cable and PCB Issues

IV Troubleshooting 6---foot roller abnormal
▲causes of foot rollers don’t work
1. motor defect
2. cable unconnected
3.main PCB board defect
▲specific failure analysis method
1. Motor defect
The mother board got DC24V power when the motor itself coil open, but motor can not work, please consider form 1, measure the
resistance, if the resistance out of 30-80Ω, then the motor should be changed
Figure 26·Foot roller drive circuit picture
drive PMD2001D
paster field-effect tube
IRF3607
CON31 green ：
motor
fast recover SF56
Figure 25. Foot roller motor and connecter picture
Foot roller connecter
motor