Lamp over temperature
The lamp head overheats. Overheating may be caused by problems in the lamp head.
Advice! Let the lamp cool down before re-striking.
• Check that the fan is running and that its rotation is correct
• Check that the damper operates normally, check for air blockage
• Check flexible ducting for obstructions
• Check electrical connections between the
e
-Brick and the lamp head
• Check the lamp chassis is fully inserted in the lamp head; ensure that the plug to the
lamp head is fully engaged
Shutter failure
Shutter failure while the printing machine is running.
• Check electrical connections between the
e
-Brick and the lamp head
• Check the shutter mechanism for ink build-up. If necessary, clean with isopropyl
alcohol
• Check micro switches
• Check for mechanical jam
A Shutter test can be performed while the lamps are off but selected on the HMI:
Pressing the
icon followed by . This will drive the shutter to the fully open
position. Press the icon once more to close the shutters. If a fault occurs, it will be
displayed on the fault screen.
Electric shutter test
• Press the shutter test icon. Check that shutters open, check that open switch is
activated
• Press the shutter test icon. Check that shutters close, check that close switch is
activated
Pneumatic shutter test
• Press the shutter test icon. A hiss of air should be heard with the selected lamps,
the shutters should then click open and remain open. Check that shutters open
and that the micro switch is released.
• Press the shutter test icon. A hiss of air should be heard with the selected lamps,
the shutters should then close. Check shutters position and that the micro switch is
activated.
• Check inside the interface box to confirm that the tubes carrying compressed air to
the lamp head are intact.
Damper Failure
A fault (warning) is logged if the damper cable is not connected or the damper is more than
10% out from the requested position for more than 30 seconds.
• Check electrical connections between the
e
-Brick and the damper
• Check that the damper operates normally, check for air blockage
• Check flexible ducting for obstructions
Note! The system will still run with this warning present
GEW UV
e
-Brick installation and operating manual 39 of 49
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