User manual

Troubleshooting
ControlNet 5-9
ControlNet PLC-5
processors only
troubleshooting – ControlNet processors status indicators continued...
Indicator
Color
1
Probable Cause Recommended Action
Off Internal diagnostics failed 1. Turn power off, make sure ControlNet address is not 00,
reseat processor, then power up
2. Clear memory and reload your program
3. Replace EEPROM with new program
4. If still an error, replace the processor
No power Check power supply
Steady Red Faulted unit Cycle power or reset unit
If fault persists, contact your Rockwell Automation representative or
distributor
Flashing Green Normal operation if processor is in FLASH
memory program mode
No action required
Flashing
Red/Green
The processor's ControlNet address is above
UMAX
Configure the ControlNet network so that UMAX is at least as high as
the processor's ControlNet address.
Set the processor's ControlNet address at or below UMAX.
Alternating
Red/Green
Self-test No action required
Alternating
Red/Off
Incorrect node configuration Check network address and other ControlNet
configuration parameters
and
A
B
and
A
B