Barco Argus X Terminal User Manual

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Barco Argus X Terminal User Manual Manual pdf 136 page image

5. MaintenanceBarco – Argus X Terminal – DOC-3265-2 – user's manual – Revision 04 – May-2004 _________________________________________________________________________ 5-25.1 Argus Processor5.1.1 Redundant power modules of Argus ProcessorArgus ProcessorThe PROCESSOR with redundant power modules can be connected to two independent power nets. If one of thetwo power modules or a power net is failing, you can hear a buzzer alarm that can be reset by pushing the redbuzzer reset button [5] at the front of the P ROCESSOR , please refer to section 3.1.1 Argus Processor. Also the LEDpower module failed [6] at the front lightens up. This LED stays lightened as long as the failure persists even ifthe buzzer reset button was pressed.37253835 36141414 air supply25 mains connection35 power switch36 green LED: power module operating377 securing screw38 handle Figure 5-1Power module on the rear ofdule on the rear of A RGUS PROCESSOR for redundant operationThe defective power module or the failing power net can be located by examining the individual LED’s powermodule operating [36] on the back of the PROCESSOR . If the green LED on a power module is off even though it isswitched on, the module is either defective and must be re-placed or the power net connected to it has failed.Exchange of a redundant power moduleNever touch the contacts on the backside of a power module. There is the danger of beingharmed by residual voltage! Furthermore the operation of the power module might beimpacted by impurities!Use gloves to remove the power module. The cover of the power module is been used asheat sink for cooling, usually the temperature is around 50 – 60° Celsius under full50 – 60° Celsius under fullcondition!• Locate the defective power module by examining the green LED’s [36] on the individual power modules. Ifan LED is not lightened even though it is switched on, the respective power module is defective.• Turn off the individual power switch [35] of the defective power module!• Loosen the securing screws [39] on the top of the power module!9] on the top of the power module!• Remove the defective power module by pulling at the handle [38]!• Take a new power module and check that its power switch [35] is switched off.