1. Engineer Training Troubleshooting TJ8300 / TJ8500 Troubleshooting

2. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 2 General  When an alarm message/fault occurs, the UV lamp switches off and cools down for 2 minutes before re-starting.  Clearing the alarm message is done from the RTRun software: Tools > UV Dryer > UV Alarm On/Off

3. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 3 Alarm Messages Machine Emergency Stop:  An Emergency stop has occurred on the machine.

4. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 4 Alarm Messages (Cont.) Shutter Failed to Close:

5. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 5 Alarm Messages (Cont.) Shutter Failed to Close (Cont.):  Check that the UV lamp plug is connected to XPPT.  Check that the pneumatic air tube is connected to lamp head.  Check the shutter switch inside the lamp head and all electrical connections/wiring.  Check the 24VDC power supply in the UV electrical cabinet.

6. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 6 Alarm Messages (Cont.) Shutter Failed to Open:

7. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 7 Alarm Messages (Cont.) Shutter Failed to Open (Cont.):  Check that the UV lamp plug is connected to XPPT.  Check that the pneumatic air tube is connected to lamp head.  Check the shutter switch inside the lamp head and all electrical connections/wiring.  Check the 24VDC power supply in the UV electrical cabinet.

8. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 8 Alarm Messages (Cont.) Lamp Over Temperature: Lamp

9. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 9 Alarm Messages (Cont.) Lamp Over Temperature (Cont.):  Check that the UV lamp plug is connected to XPPT.  Check that the water tubes are connected and that the cooler is running, without any problems.  Check the electrical connections and wiring.

10. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 10 Alarm Messages (Cont.) Lamp Power Fault: Lamp

11. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 11 Alarm Messages (Cont.) Lamp Power Fault (Cont.):  During the lamp’s “burn-in” stage, if its current does not exceed 70A after 2 minutes, the lamp switches off and the alarm message appears.  Check the connection between the UV lamp head and the UV electrical cabinet.  Check if the lamp is not broken.  Verify that the four high voltage relays in the UV electrical cabinet are enabled during the “burn-In” stage.

12. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 12 Alarm Messages (Cont.) Lamp Pressure Alarm: Lamp

13. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 13 Alarm Messages (Cont.) Lamp Pressure Alarm (Cont.):  Verify that the extraction fan ducts, on top of the lamp head, are secured.  Verify that the extraction fan rotates in clockwise direction.  Check the electrical connections and wiring.

14. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 14 Alarm Messages (Cont.) Extract Fan Trip:

15. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 15 Alarm Messages (Cont.) Extract Fan Trip (Cont.):  Verify that the fan circuit breaker (Q7 inside the UV electrical cabinet) is On.  Check all electrical connections and wiring.

16. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 16 Alarm Messages (Cont.) Cooler Pump/Fan Trip:

17. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 17 Alarm Messages (Cont.) Cooler Pump/Fan Trip (Cont.):  Verify that the cooler pump circuit breaker (Q6.11 inside the UV electrical cabinet) is On.  Verify that the cooler Fan 1 circuit breaker (Q6.12 inside the UV electrical cabinet) is On.  Verify that the cooler Fan 2 circuit breaker (Q6.13 inside the UV electrical cabinet) is On.  Check the electrical connections and wiring of plug XPC2 (from cooler to UV electrical cabinet).

18. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 18 Alarm Messages (Cont.) Cooler Over Temperature:

19. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 19 Alarm Messages (Cont.) Cooler Over Temperature (Cont.):  Verify that all water connections are secure and there are no leaks.  Check the temperature switch connections and wiring.  Check the electrical connections and wiring of plug XPC2 (from cooler to UV electrical cabinet).  Check all electrical connections and wiring.

20. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 20 Alarm Messages (Cont.) Cooler Low Level:

21. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 21 Alarm Messages (Cont.) Cooler Low Level (Cont.):  Check the cooler’s water level.  Verify that all water connections are secure and there are no leaks.  Check the electrical connections and wiring of plug XPC2 (from cooler to UV electrical cabinet).  Check all electrical connections and wiring.

22. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 22 Alarm Messages (Cont.) Reflector Open Check Lamp Safety Switch:

23. Engineer Training Troubleshooting TJ8300 / TJ8500 Confidential 23 Alarm Messages (Cont.) Reflector Open Check Lamp Safety Switch (Cont.):  Verify that the lamp reflector is in closed position.  Check the safety switch and the electrical connections and wiring of plug XPLH (from the UV lamp head to UV electrical cabinet).  Verify that the safety relay K9 is energized and green LED is lit. If the orange LED is lit, the safety relay is not energized.