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6 Troubleshooting and Maintenance
6-4
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
6-2
Troubleshooting with the User
Defined CAN Unit Indicators
The User Defined CAN Unit has several indicators on the front of the Unit. Two 7-segment displays with
dots and two error LED indicators.
6-2-1
Run LED Indicator
Indicator Status
Network/Unit Status
Comments
Color
Status
Green
OFF
No power or in ST1 or ST2 state
Make sure that the unit is wired and
mounted correctly, switch the power on or
wait for until unit to be initialized.
ON
State is ST3, ST4 or ST5
Configure the unit with message command
2902 or enable communication by turning
ON
*_EnblCANComm
.
Enabled communication is confirmed when
*_EnblComm
is ON or the unit is waiting for
CAN messages.
Red
OFF
No power or in ST1 or ST2
Make sure that the unit is wired and
mounted correctly, switch the power on or
wait for the until unit to be initialized.
Flashing
ST1 (PC21 startup error) or ST2 (hardware
error)
Verify proper unit number setting.
If problem persists, contact an Omron rep-
resentative.
ON
Fatal error in unit
Restart Unit.
If problem persists, contact and Omron
representative.
1.
3. Dot indicators
RUN
ERR
2. Two-digit, 7-segment display
1. Status indicators
Summary of Contents for CJ1W-CORT21
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Page 140: ...Appendices A 6 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517...
Page 141: ...Index 1 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517 I Index...
Page 144: ...Index 4 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517 Index...