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rotai RT-7900S - Page 28

rotai RT-7900S
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3. Tapping motor does not work
kneadin
g motor
tapping
motor
tapping
motor
kneading
motor
Troubleshooting
Method of exclusion:
1.Motor is damaged
2.Mainboard is
damaged
3.Loose/broken
connecting cable
1.Use remote controller to power on chair, then select MANUAL mode---> SYNC
massage. Find the massage mech tapping motor plug (red) and connect it to kneading
motor plug (blue). If the tapping motor does NOT work, then replace a new tapping motor,
if it works, then move to next step (might be mainboard or cable problem).
2.Plug the motor back to its original position, again power on chair and select SYNC
massage. Find the mainboard tapping motor plug (red) and connect it with kneading motor
plug (blue). Check if the tapping motor works , if it works then replace with a new
mainboard, if no, replace with a new connecting cable (can use a multi-meter to check the
cable).
Analysis of causes:
Picture 1 Picture 2