Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry Devices• Operating a very long train in a long rock cut or operating itslowly over the brow of a hill• Extra cars coupled behind the EOT unit• Weak or dead battery in the EOT unit• Faulty EOT unit (for example, damaged antenna)• Faulty LCU antenna• Wrong ID number set on the LCU’s thumbwheel switchesB. LCU Display MessagesTable 68-G lists normal and alarm messages displayed by the LCU.DisplayMessagesLCU Display MessagesDuration InSeconds Condition RemarksBeepsFlashes[DIGITAIR] 1 — First power-upmessage[6622-A1] — — Secondpower-upmessage[********] — — Display afterpower-up[ 123] — — NormalDisplayLasts 1 second.Lasts 1 second. A1is the softwareversion number.All segments of alldigits are on untilthe LCU receives avalid report from theEOT unit. Until thishappens, no alarmscan occur.Pressure is displayedin psi.[W 123] 1 — Weak Battery Battery has about 8hours left.[F 123] 5 Failing Battery Battery has only afew minutes left.68-32 ARRC Air Brakes and Train Handling Manual June 1, 1996