TM 5-3895-374-24-1The FollowingProbable CauseRecommended ActionError Exists1. Check communication parameters of programmerProgrammer and processor baud rate must m atch ’Programmer and processor node addresses must bedifferentDH-4852. Try different combinations ofcommunicationabaud rate (Processor default is 19200 )parameters arebnode address (Processor default Is 1 )The 5/03improperly set upprocessor Is3. Try to increase the maximum node address (Defaultestablishis 31)trying tocommunication, See the Advanced Programming Software User Manualbut cannot find(Catalog Number 1747-NM002) for channel configurationother activeinformationnodes1. Check cable continuityBad Connection2. Check cable connections between programmer andprocessor1. Verify proper power supply selection and backplaneLow or No Powerloading (The 1747-PIC and 1747-AIC draw powerto Communicationoft the backplane )Device2. Verify proper 120/240V power supply jumperselection See page 5-5Refer to the following key to determine the statusof the LED indicatorsIndicates the LED Is OFFIndicates the LED Is ONIndicates the LED is FLASHINGStatus of LED does not matterChapter 9Troubleshooting(page 3-452)
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