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Chapter 6
Troubleshooting
Indicator
Serial Sts
SCANport Sts
TX
RX
6-2
ATTENTION: Do not attempt to defeat or override fault circuits.
The cause of a fault indication must be determined and corrected
before attempting operation. Failure to correct a drive or system
malfunction may result in personal injury and/or equipment
damage due to uncontrolled machine system operation.
Table 6.A
LED Troubleshooting Table
Color
Green (Blinking)
Link OK, off-line
Green (Steady)
Link OK, on-line
Red (Steady)
Faulted
Green (Blinking)
Link OK, not connected
Green (Steady)
Link OK, connected
Red (Steady)
Faulted
Off
No transmission occurring
Amber
Transmission occurring
Off
No transmission received
Amber
Transmission being received
Description
Check configuration switch settings,
check for serial cable connection,
cycle Communications Module power
None, system functioning properly
Check configuration switch settings,
check for serial cable connection,
cycle power, replace module
Check configuration switch settings,
check for serial cable connection,
cycle power
None
Check configuration switch settings,
check for serial cable connection,
cycle power, replace module
Send serial data again
None
Check data device to verify it is sending
data
None
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