Messages and Troubleshooting7-57970-A2-GB20-00 August 1999TroubleshootingThe Hotwire 79xx Standalone Termination Unit is designed to provide you withmany years of trouble-free service. If a problem occurs, however, refer toTable 7-2 for possible solutions.Table 7-2. Troubleshooting (1 of 2)Symptom Possible Cause SolutionsALARM LED is on. One of several alarmconditions exists. Healthand Status displays thealarm condition.Refer to Table 5-1, Health and StatusMessages, in Chapter 5,Monitoringthe Unit, for a recommended action.Cannot access theunit via the ATI.The terminal is not set upfor the correct rate or dataformat, or the unit isconfigured so it preventsaccess. Check the cable and connections. Ensure the unit is configuredproperly. Verify IP address andcommunication port usage. Reset the unit.Device Failappears on theSystem and TestStatus screen underSelf-Test results.The unit detects an internalhardware failure. Reset the unit. Contact your servicerepresentative.No power, or theLEDs are not lit.The power cord is notsecurely plugged into thewall receptacle or into therear panel connection.Check that the power cord issecurely attached at both ends.The wall receptacle has nopower. Check the wall receptacle powerby plugging in some equipmentthat is known to be working. Check the power switch on theunit’s rear panel. Check the circuit breaker. Verify that your site is not on anenergy management program.Power supply has failed. Replace power supply.An LED is not lit. LED is out. Run the Lamp test. If the LED inquestion does not flash with the otherLEDs, then contact your servicerepresentative.
