Omron NJ501-1400 User Manual page 185

Item
Event examples (Only a
few examples are pro-
vided here.
Refer to the NJ/NX-
series Troubleshooting
Manual (Cat. No. W503)
for a complete list of
errors.)
PWR
(green)
Front-
RUN
panel indi-
(green)
*1
cators
ERROR
(red)
RUN out-
put on
Power
Supply
Unit
User pro-
gram exe-
Operation
cution
of NJ-
status
series CPU
Outputs
Unit
turned OFF
Error reset
Event logs
Outputs from EtherCAT
slaves and Basic Out-
put Units
Sysmac Studio display
(while online)
*1 If multiple Controller errors have occurred, the indicators show the error with the highest error level.
*2 Operation stops in the function module (Motion Control Function Module, EtherCAT Master Function Module, or Ether-
Net/IP Function Module) in which the error occurred.
NJ-series CPU Unit Hardware User's Manual (W500)
Major fault level Partial fault level Minor fault level
• Non-volatile • Motion Control
Memory Data Period
Corrupted Exceeded
(PLC Func- (Motion Con-
tion) trol Function
Module)
• Communica-
tions Controller
Error (Ether-
CAT Master
Function Mod-
ule)
Lit. Lit.
Not lit. Lit.
Lit. Flashes at 1-s
intervals.
OFF ON
Stops.
Continues.
Yes No
Not possible. Depends on the
nature of the
error.
Recorded. Recorded.
(Some errors are
not recorded.)
Refer to I/O • Errors in Ether-
Operation for CAT Master
Major Fault Function Mod-
Level Controller ule: Depends
Errors on page on settings in
5-6. the slave.
• Errors in other
function mod-
ules: Depends
on user pro-
gram.
Error messages are automatically displayed. You can
display detailed information in the Troubleshooting Dia-
log Box.
Event level
Controller errors
• Positive Limit
Input Detected
(Motion Con-
trol Function
Module)
• Low Battery
Voltage (PLC
Function Mod-
ule)
Lit.
Lit.
Flashes at 1-s
intervals.
ON
*2 Continues.
No
Depends on the
nature of the
error.
Recorded.
Depends on the
user program.
5 Troubleshooting
Controller infor-
mation
Observation Information
• Packet Dis- • Power Turned
carded Due to ON
Full Receive
• Power Inter-
Buffer (Ether-
rupted
Net/IP Func-
• Memory All
tion Module)
Cleared
Lit. Lit.
Lit. Lit.
Not lit. Not lit.
ON ON
Continues. Continues.
No No
--- ---
Recorded. Recorded.
Depends on the Depends on the
user program. user program.
These items are not displayed in the
error display in the Controller Status
Pane.
5
5-5