Nordson 303 779B, Руководство пользователя по изделию

Страница: 92 / 176

Troubleshooting
B 5-2
E
1998 Nordson Corporation
All rights reserved
303 779B
Issued 11/98
Manual 12-44
Problem Page
1. No power B 5-3
2. Conveyor speed motor does not run at all and displays
CONVEYOR FAILURE screen B 5-4
3. Conveyor motor runs full speed regardless of setpoint
entered—actual column remains at 000 B 5-5
4. Conveyor speed surges and never stabilizes B 5-6
5. Product width motor will not run B 5-6
6. LEDs on motor controller board do not turn on B 5-7
7. Motor controller board is defective B 5-7
8. Adjustable rail crashes into inner wall when calibrating B 5-8
9. Width overshoots setpoints slightly every time B 5-8
10. I/O Output is non-functional B 5-9
11. CRT will not turn ON, or there is no picture B 5-9
12. Main contactor not energizing B 5-10
13. Blower relay not energizing and the E-Stop is not pressed B 5-10
14. Machine cover does not raise B 5-11
15. Over temperature failure B 5-12
16. Exhaust failure alarm B 5-13
17. Supply air failure B 5-14
18. E-Stop not detected when E-Stop is pressed B 5-14
19. Zone failure B 5-14
20. One or more zones heat immediately with setpoints set at 0 B 5-14
21. Zone(s) will not turn ON B 5-15
22. Zone turns ON, but does not control or trips breakers
Zone failure occurs and the zone is not on (setpoints=0) B 5-16
23. Zone turns ON, but does not control the temperature B 5-16
24. Actual temperature display is unreasonable B 5-16
25. Temperature drops while wattage increase
(or the opposite occurs) B 5-16
26. Thermocouple failure test B 5-17
27. Hot air recirculation fans will not turn on B 5-17
1. Introduction
(contd.)