Troubleshooting - Advance acoustic Adfinity 17ST Service Manual

TROUBLESHOOTING

ALL BRUSHES DO NOT ROTATE
Possible causes:
1. The brush enabling microswitch is misadjusted or broken (adjust or replace).
2. The wiring harness between microswitch and function electronic board is damaged (repair).
3. The brush motor electromagnetic switch wiring harness is damaged (repair).
4. The function electronic board is damaged (replace).
5. The wiring harness between function electronic board and brush motor electromagnetic switch is damaged (repair).
6. The brush motor electromagnetic switch is damaged (replace).
7. The brush motor fuse is open (replace).
ONE BRUSH DO NOT ROTATE (For models with two brushes)
Possible causes:
1. The motor carbon brushes are worn (replace).
2. Bulky debris or cords around the brushes or between the brushes and its flange (remove and clean the brushes).
3. The motor is faulty (repair or replace).
4. The wiring harness is damaged (repair).
Adfinity™ 17ST / 20ST / X20R / 20D / X20D / X20C / X24D
SERVICE MANUAL
BRUSHING SYSTEM
9096982000
ENGLISH
59