Troubleshooting Communication Problems Using The Lcd - Allen-Bradley 1747-DTAM-E User Manual

9-4 Troubleshooting
Troubleshooting
Communication
Problems Using the
LCD
GENERAL ERROR SCREEN
Publication 1747-6.1
TROUBLESHOOTING CONSIDERATIONS
ATTEMPTED FUNCTION
Attach to node
Change processor to Run
mode
Display fault
Clear fault
Change processor to Program
mode
EEPROM to RAM memory
transfer
RAM to EEPROM memory
transfer
PROBABLE CAUSES
Illegal node address entered
Module not attached to node
Module not in Modify mode
Module not attached to node
Module not attached to node
Module not in modify node
Module not attached to node
Module not in Modify mode
Module not attached to node
Module not in Modify mode
Processor in Run orTest mode
Module not attached to node
Module not in Modify node
Processor in Run, Test or Fault
mode
Processor contains no user
program
RECOMMENDED ACTION
Node address must be within
the range of 0 through 31.
Attach to proper node address.
Change module to Modify
mode.
Attach to proper node address.
Attach to proper node address.
Change module to Modify
mode.
Attach to proper node address.
Change module to Modify
mode.
Attach to proper node address.
Change module to Modify
mode.
Change processor to Program
mode.
Attach to proper node address.
Change module to Modify
mode.
Change processor to Program
mode or clear fault.
Download a user program to
processor from a programming
device or HHT.