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Troubleshooting

Troubleshooting. 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. Alarm Messages. Machine Emergency Stop:

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Troubleshooting

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  1. Troubleshooting

  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 Confidential

  3. Alarm Messages • Machine Emergency Stop: • An Emergency stop has occurred on the machine. Confidential

  4. Alarm Messages (Cont.) • Shutter Failed to Close: 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. Confidential

  6. Alarm Messages (Cont.) • Shutter Failed to Open: 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. Confidential

  8. Lamp Alarm Messages (Cont.) • Lamp Over Temperature: 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. Confidential

  10. Lamp Alarm Messages (Cont.) • Lamp Power Fault: 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. Confidential

  12. Lamp Alarm Messages (Cont.) • Lamp Pressure Alarm: 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. Confidential

  14. Alarm Messages (Cont.) • Extract Fan Trip: 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. Confidential

  16. Alarm Messages (Cont.) • Cooler Pump/Fan Trip: 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). Confidential

  18. Alarm Messages (Cont.) • Cooler Over Temperature: 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. Confidential

  20. Alarm Messages (Cont.) • Cooler Low Level: 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. Confidential

  22. Alarm Messages (Cont.) • Reflector Open Check Lamp Safety Switch: 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. Confidential

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