Error codes – Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module Installation Instructions User Manual
Page 19
 
Compact I/O DeviceNet Scanner Module 19
Publication 1769-IN060C-EN-P - May 2002
Error Codes
The following table describes the Error Codes indicated by the 7-segment numeric 
display.
Code
(decimal)
Name
Description
Recommended Action
70
Duplicate Node
Controller has Failed Duplicate 
Node Address Check. The node 
address selected is already in use.
Change the module’s or conflicting 
device’s network
address (node
number) to an available one.
71
Illegal Scan 
List Data
Illegal data in Scan List.
Reconfigure the scan list table and 
remove any illegal data.
72
Slave Timeout
One of the module’s slave devices 
has stopped communicating.
Inspect the module’s
slave devices and
verify the DeviceNet connections.
73
Electronic Key 
Mismatch
The slave device Vendor ID key 
parameter does not match the 
slave’s configuration in the 
module’s scan list.
Make sure that the device at the 
flashing node address matches the 
desired electronic key (vendor, product 
code, product type)
75
No Messages 
Received
No network traffic received by the 
scanner. 10 seconds have elapsed 
and no network traffic for the 
module or for any other device have 
been received by the module.
Verify the scan list is correctly 
configured to scan slave devices. Verify 
DeviceNet network connections.
76
No Message 
For Scanner
No direct network traffic for the 
scanner detected. 10 seconds 
elapsed and no DeviceNet input 
being screened by the module has 
been received.
None. There are other active devices on 
the network, initiating messages, but 
none of the messages are for the 
module.
77
Slave Data Size 
Mismatch
The data being received from the 
slave device does not match the 
configuration in the scan list.
Either reconfigure the slave device, or 
change the module’s scan list to match 
the slave device.
78
No Such 
Device
Slave device in scan list
does not
exist.
Either add the device to the DeviceNet 
network, or delete the device’s entry in 
the scan list.
79
Transmit 
Failure
The module has failed to transmit a 
message.
Make sure that the module is 
connected to a valid network. Check for 
disconnected cables.
80
In Idle Mode
Module is in Idle mode.
Put the controller into Run mode and 
enable the scanner Run bit (bit 0 of the 
Module Command Array = 1). See page 
17.
81
Scanner 
Faulted
The Scanner has stopped producing 
and consuming I/O data. This 
condition does not affect the 
scanner’s system or messaging 
modes.
Check
the FAULT value in the module
command array.