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Identifying 5/01 and 5/02 Processor Errors - TM-5-3895-374-24-1_469
Identifying 5/02 Processor Communication Errors - TM-5-3895-374-24-1_471

TM-5-3895-374-24-1 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-24-1’ Chapter 9 Troubleshooting Identifying 5/02 Processor Communication Errors The Following Probable Cause Recommended Action Error Exists 1. Check communication parameters of programmer Programmer and processor baud rate must match Programmer and processor node addresses must be DH485 different communication 2. Try different combinations of parameters are a.   baud rate (Processor default is 19200) Improperly set up b.   node address (Processor default is 1 ) The 5/02 3. Try to increase the maximum node address (Default processor is not is 31 ) receiving data 1. Check cable continuity communication Bad Connection of 2. Check cable connections between programmer and to the Communication processor programmer Device 3. Check communication device (for example, the 1747-PIC) Replace if necessary 1. Verify proper power supply selection and backplane Low or No Power loading  (1747-PIC and 1747-AC draw power off to Communication the backplane) Device 2. Verify proper 120/240V power supply jumper selection  See page 5-5. Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED Is FLASHING. Status of LED does not matter The RUN LED on the 5/01 processor is actually labeled "PC RUN ’ Also, the 5/01 processor does not have a COMM LED. (page 3-442)







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