Rockwell Automation 1747-ASB Remote I/O Adapter - Manual (Page 99)

Publication 1747-UM006B-EN-P - June 2003
Troubleshooting 7-3
Error Codes for Error
Conditions
COMM
LED FAULT
LED Status
Display Error Condition Corrective Action
off on Power Up Self Test in progress This appears for less than one
second after power is applied.
Replace the 1747-ASB module if
condition persists.
off on Powerup OK. 1747-ASB
configuring RIO image. This occurs for several seconds
after power is applied. Replace
the 1747-ASB module if condition
persists.
off on Powerup Self Test Error (normal
operating mode) Cycle power to reset the
1747-ASB module. If the problem
persists, replace the 1747-ASB
module.
off on Runtime RAM Fault Cycle power to reset the
1747-ASB module. If the problem
persists, replace the 1747-ASB
module.
off on
Watchdog Reset Detected
(1) Cycle power to reset the
1747-ASB module. If the problem
persists, replace the 1747-ASB
module.
off on Configuration Store Fault
(EEPROM failed write
verification). The non-volatile
memory is not being written
correctly when powering up in
Save Mode. Cycle power to reset the
1747-ASB module. If the problem
persists, replace the 1747-ASB
module.
off flashing Remote Power Fail (expansion
chassis powered down) Apply power to all remote
expansion chassis. Check remote
expansion cable connections.
off flashing Bad Number of chassis (extra
expansion chassis, 4 or more) Remove the extra chassis.
off flashing Invalid Starting Group (logical
group 2 or 6 selected with
1/2-slot addressing). Select starting logical group 0 or 4
(SW1-7,8).
off flashing Undefined Addressing Mode Check addressing mode selection
(SW3-5,6).
off flashing 1747-ASB Module Image Size
Too Large (above 2 logical racks
for 2-slot addressing) Check image size selection
(SW2-5,6,7,8). 16 logical groups is
the maximum size when 2-slot
addressing is selected.
or