17
Stella-290
FAULT FINDING
1. Incorrect S/Z switch position Set the S/Z switch in appropriate position 11
2. Incorrect spoolbody position Ensure the sensor unit is positioned upwards 13
3. Winding disc jammed Free and clean the winding disc 16
5. Sensor arms jammed Free the arms and clean the sensing unit 16
6. Faulty cable connections Check and rectify 6-7
7. Fuses blown Replace the relevant fuse 7
8. Mains supply / primary voltage fault Check the mains supply and connections 6-7
9. Insufficient input tension Increase the input tension 9-10
10. Excessive input tension Reduce the input tension 9-10
11. Insufficient balloon control Increase the balloon control 14
12. Excessive output tension Reduce the output tension 15
13. Excessive yarn separation Reduce the yarn separation 11
14. Incorrect jumper J1 setting Reposition jumper 8
15. Excessive pressure on max sensor arm Reduce the spring pressure 13
16. Max sensor bouncing Increase the spring pressure 13
17. Insufficient max speed setting Increase the max speed setting 8
18. Excessive max speed setting Reduce the max speed setting 8
19. Insufficient yarn store See “low or empty yarn store” under “fault” -
20. Damaged balloon control Repair/replace all defective parts 14
21. Stop signal fault between control box and weaving M/C Check all connections/cable 7
22. Misalignment between the bobbin and the feeder Realign the bobbin/feeder -
23. Misalignment between the feeder and the machine Realign the feeder/machine -
24. Defect yarn store sensor unit Replace the relevant sensor unit 4
25. Defective motor circuit board Replace the relevant circuit board 4
26. Defective fuse panel Replace the relevant fuse panel 4
27. Defective control box interface Replace the relevant interface 4
28. Defective feeder connection cable Replace the relevant connection cable 4
POSSIBLE CAUSES: REMEDIES: SEE PAGE:
Fault Finding
FAULT CHECK IN THE FOLLOWING ORDER
Feeder will not start 1 - 2 - 3 - 5 - 6 - 7 - 8 - 24 - 25 - 26
Feeder will not stop 9 - 13 - 5 - 15 - 24 - 25
Low or empty yarn store 17 - 3 - 5 - 16 - 13 - 9 - 8 - 21 - 24 - 25 - 27 - 26
Input yarn breaks frequently 22 - 10 - 18 - 14
Output yarn breaks frequently 11 - 20 - 12 - 19 - 23
Fuses blow repeatedly 25 - 28
Feeder warning light flashes slowly 9 - 13
Feeder warning light flashes rapidly 3 - 9 - 8 - 27
Ref. No. 27-893S-2011-01/0328
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