Fault Screen

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Click on fault icon to see more.

Burn-in failure. [Top]

The lamp 'burns in' until it reaches a certain operating voltage and running temperature. If the lamp does not reach this voltage within 4 minutes, or achieve temperature within 10 minutes then the lamp will trip and the burn in failure will appear. This type of failure usually occurs if the lamp is overcooled.

• Check that orange damper unit is operating correctly.
• Check the supply voltage is within the operating voltage range of the PSU and fan as specified on the rating plate.

Communication fault. [Top]

If a communication failure is detected with an PSU slave more information is now available on the HMI. When a selected e-Brick fails to communicate, a pop-up message appears "COMMUNICATION FAILURE. SEE FAULT SCREEN & DESELECT LAMP ACCORDINGLY".

• Check 'Fault' screen to identify which PSU has failed to communicate.
• Check electrical connections to the affected slave.
• Check 24V LED is illuminated, if not then internal 24Vdc may be faulty.
• Check K1 LED illuminates when lamp is selected.
• If no fault found, try restarting system and reselecting lamps.
• If necessary, deselecting affected slave PSU will allow system to run.

Cooling Fault. [Top]

The cooling unit has failed while the printing machine is running.

• Check chiller MCB and reset if necessary.
• Ensure that the chiller is switched on.
• The chiller may have developed a fault; check the control panel to see if a fault is reported. Refer to the chiller manual for further fault finding suggestions.

Damper failure. [Top]

e-Brick systems only. 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 PSU and the damper.
• Check that the damper operates normally, check for air blockage.
• Check flexible ducting for obstructions.

Emergency stop. [Top]

The operator may have triggered an emergency stop of the printing machine.

• Check external emergency stop (e-stop) circuitry and switches.
• Check panel circuit breakers in external equipment.
• Check e-stop links between PSU units are intact (communications cables linking master-slave / slave/slave carry the PSU e-stop links).

Note! The system will still run with this warning present.

Fan fault. [Top]

The fan fails to operate when a lamp is started.

• Check the electrical supply to the fan.
• Check the MCB supplying power to the fan, reset if necessary.
• Check the thermal overload device on the fan. If the switch has been tripped, reset it by pressing "1" button on the switch housing, then reset the fault on the touch screen.

Lamp failure. [Top]

No current flow was detected through the lamp.

Warning! When resolving a lamp failure it is important to let the lamp cool before attempting to restart the system.

• Check all electrical connections relating to the lamp.
• Check the physical state of the lamp; change the lamp if it operated for >1000h. Instructions for changing the lamp are given in the lamp head user manual. If a new lamp fails, call GEW for advice.
• Let the lamp cool down before re-striking.

Overheating/interlock fault. [Top]

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 PSU 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.

Power supply unit failure. [Top]

A fault has been detected within the PSU.

• Check 3 phase supply is on and that all three phases are available.
• Check 24V LED is illuminated, if not then internal 24Vdc may be faulty.
• Check K1 LED illuminates when lamp is selected.
• Ensure that the lamp cable is connected.
• Ensure that other cables are undamaged and correctly connected.

Power supply unit overtemperature fault. [Top]

e-Brick systems only. The PSU has reported a high internal temperature.

• Let the PSU cool down before re-striking.
• Check that the cooling fans are running.
• Check filters.
• If the PSU is mounted in a cabinet, check for air blockages and that adequate cooling capacity has been allowed.

PT100 thermocouple failure. [Top]

e-Brick systems only. A fault (warning) is logged if the lamp cable is not connected, if the PT100 fails or if the temperature reaches its top range.

• Check electrical connections between the PSU 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.
• Replace PT100 if failure is suspected.

Note! The system will still run with this warning present.

Fan rotation error. [Top]

If the fan rotates in reverse, please swap any two of the three input power connections (three phase supply only).NOTE: This must be done by a suitably qualified electrician.

Shutter failure. [Top]

Shutter failure while the printing machine is running.

• Check electrical connections between the PSU 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.

Safety switch fault. [Top]

On systems with lamp heads mounted on hinged brackets, this alarm will indicate that the lamp head has been hinged open.

• Check that the lamp is firmly seated in the outer casing.
• Check that the lamp head is closed (hinged head).
• If this fault occurs with the lamp head hinged closed then check the alignment of the interlock arm with the interlock switch at the front of the lamp head.

Water supply fault. [Top]

Cooling water supply to the lamp head has failed.

• Check that water cooling is on.
• Check that all the hoses are connected to lampheads and cooler.
• Ensure that all valves are set to the open position.
• The water flow through the switch may be insufficient, check water hoses for kinks and blockages.