Publication 1747-UM006B-EN-P - June 2003
7-2 Troubleshooting
Contacting Rockwell
Automation
If you need to contact Rockwell Automation for assistance, please
have the following information available when you call:
• Processor type, 1747-ASB series letter, and firmware (FRN)
number. See label on left side of processor and 1747-ASB
module.
• LED status and error codes
• hardware types in the system including I/O modules and chassis
Status Operating Codes for
Normal Operating
Conditions
COMM
LED
FAULT
LED
Status
Display
Operating Condition
on off Normal RIO Communications
off off
No RIO Communications
(1)
off off
Partial RIO Communications
(2)
off off Processor Lockout is Preventing RIO
Communications
(1)(3)
flashing off
Reset, Adapter Decide Commands
(1)
flashing off Reset, Adapter Reset Commands
(1) When the 1747-ASB module is holding outputs in their last state, the Status Display alternates between
the operating indication and HLS.
(2) Some, but not all of the 1747-ASB module's logical devices are receiving RIO link communications from the
scanner. The 1747-ASB module is returning valid input data to the scanner, but is not turning outputs on or
off.
(3) The 1747-ASB module is locking the processor out while it is trying to communicate with all of the
1747-ASB module's logical devices.
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