4. Monitoring the Unit8700-A2-GB25-10 February 2001 4-3Health and Status MessagesThe following messages appear in the first column of the System and Test Statusscreen. The highest priority Health and Status message also appears on all ATIscreens on the bottom right.Table 4-1. Health and Status Messages (1 of 2)Message What Message Indicates What To DoDevice FailedyyyyyyyyAn internal error has beendetected by the operatingsoftware.yyyyyyyy indicatesthe 8-digit hexadecimalfailure code.1. Provide the 8-digit failurecode shown (yyyyyyyy) toyour service representative.2. Reset the unit to clear thecondition and message.Download Failed A firmware download wasinterrupted.Repeat the download.EER at Net, Ptn An EER (Excessive ErrorRate) condition has beendetected on the networkinterface at Portn. Thecondition is cleared when theerror rate falls below thethreshold value currentlyconfigured.1. Ignore condition if a Sendand Monitor 511 test isactive.2. Check the NetworkPerformance Statisticsscreen for possible lineimpairments.3. Set the unit to run at a lowerDSL line rate.4. Raise the EER Threshold.5. Contact network provider.Fallback Rate,PtnThe LTU, set to AutoRateenable, had a LOS when theline was restored andresynched at a lower rate.1. Ignore if the rate isacceptable.2. Reset the line using theReset AutoRate selection ofthe Control menu.3. Change to a fixed rate if thefallback rate is unacceptable.4. Contact network provider.LOS at Net, Ptn An LOS (Loss Of Signal)condition has been detectedon the network interface. Nosignal is being received onPortn, possibly due to a localnetwork problem.1. Verify that the network cableis securely attached at bothends.2. Verify proper LTU and NTUconfiguration.3. Contact network provider.Mismatch Rate, Ptn The LTU, set to a fixed rate,is attempting to operate at aspeed higher than what theNTU is capable of.Determine why the NTU doesnot support the specified rate.