OmniCare EVC SystemInstallation & Commissioning Manual80 OmniCare issue 1COM MUNICATIONS6.3 F AULT F INDING - N ORMAL O PERATIONThe OmniCare EVC System front panel provides LEDs to showthe current status of the unit. The following sections providebasic Fault Finding information should these LEDs show a faultcondition.6.3.1 Remote Unit Fault IndicationFigure 6.8 — Zone Fault LEDIf the yellow LED by a Zone switch on the Control Panel buttonis flashing then there is a fault with that Remote Unit or thecabling to it.With a cabling fault, is it is normal for two adjacent Remote Unitsto indicate a fault as they are each connected to one end of thesame cable.The following procedure can be used to help diagnose the fault:• Ensure the Master Control Panel handset is on the hook,• Press and hold the “SPEAK” Button.If the fault indicator goes out then the Remote Unit has a datafault. This is most likely caused by a cable fault.• Press and hold the “ALL” button.If the fault indicator goes out then the Remote Unit has apower fault. This is also likely to be a cable fault.• Press and hold the “SPEAK” and “ALL” buttons.If the fault indicator goes out then the Remote Unit has failedits Audio Self Test. This could either be a microphone,speaker or other component failure. On Fire Telephones thiscould also be a Handset Fault.
