Engineer Training

Troubleshooting

TJ8300 / TJ8500

Troubleshooting

Confidential 2

Engineer Training

Troubleshooting

TJ8300 / TJ8500General

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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages

Machine Emergency Stop:

An Emergency stop has occurred on the machine.

Confidential 4

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Shutter Failed to Close:

Confidential 5

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Shutter Failed to Open:

Confidential 7

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Lamp Over Temperature:

Lamp

Confidential 9

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Lamp Power Fault:

Lamp

Confidential 11

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Lamp Pressure Alarm:

Lamp

Confidential 13

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Extract Fan Trip:

Confidential 15

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Cooler Pump/Fan Trip:

Confidential 17

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Cooler Over Temperature:

Confidential 19

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Cooler Low Level:

Confidential 21

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm Messages (Cont.)

Reflector Open Check Lamp Safety Switch:

Confidential 23

Engineer Training

Troubleshooting

TJ8300 / TJ8500Alarm 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.