Troubleshooting
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Troubleshooting PowerPoint PPT Presentation


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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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Troubleshooting

Troubleshooting


General

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


Alarm messages

Alarm Messages

  • Machine Emergency Stop:

    • An Emergency stop has occurred on the machine.

Confidential


Alarm messages cont

Alarm Messages (Cont.)

  • Shutter Failed to Close:

Confidential


Alarm messages cont1

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


Alarm messages cont2

Alarm Messages (Cont.)

  • Shutter Failed to Open:

Confidential


Alarm messages cont3

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


Alarm messages cont4

Lamp

Alarm Messages (Cont.)

  • Lamp Over Temperature:

Confidential


Alarm messages cont5

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


Alarm messages cont6

Lamp

Alarm Messages (Cont.)

  • Lamp Power Fault:

Confidential


Alarm messages cont7

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


Alarm messages cont8

Lamp

Alarm Messages (Cont.)

  • Lamp Pressure Alarm:

Confidential


Alarm messages cont9

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


Alarm messages cont10

Alarm Messages (Cont.)

  • Extract Fan Trip:

Confidential


Alarm messages cont11

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


Alarm messages cont12

Alarm Messages (Cont.)

  • Cooler Pump/Fan Trip:

Confidential


Alarm messages cont13

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


Alarm messages cont14

Alarm Messages (Cont.)

  • Cooler Over Temperature:

Confidential


Alarm messages cont15

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


Alarm messages cont16

Alarm Messages (Cont.)

  • Cooler Low Level:

Confidential


Alarm messages cont17

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


Alarm messages cont18

Alarm Messages (Cont.)

  • Reflector Open Check Lamp Safety Switch:

Confidential


Alarm messages cont19

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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