UniPOS Repeater IFS7002RInstruction Manual Page 17Revision 2/16.11.09 Of 62- Fault condition in a device.- Activated isolator of a device.- Activated isolator at the Power loop of a device.- Contaminated fire detector (for optical –smoke detectors).- Communication error.- Device not initialized (detected new device in a loop).- Exchanged devices.- Different identification number of a device.- Different device type.- Different device class.- Fault in a monitored output – short circuit or break.- Fault in the mains supply.- Fault in the backup batteries supply.- Short circuited ground wire.- Fault in the loops supply.- Fault in external devices supply.- Low power supply – low backup battery during fault in the mains supply.Fault condition is indicated by LEDs indicators and a text message on the LCD display.8.2. Indication8.2.1. LED and sound indicationLED display is a combination of three indicators, illuminated with a constant yellow light:- “Fault condition”- “System error”- “Fault in main supply”LEDs indication Sound indication Fault“Fault” and“System error”Continuous signal Fatal system error“Fault”“Fault in main supply”Discontinuous signal(1s sound, 1s break)Fault in main supply“Fault” Discontinuous signal(1s sound, 3s break)Fault low supply“Fault” Discontinuous signal(1s sound, 1s break)All other faults