Omron R88A-MCW151-DRT-E - Error Indicators

220
Error Indicators Section 8-1
8-1 Error Indicators
MC Unit Indicators The following errors are displayed at the LED indicators at the top of the MC
Unit’s front panel.
■ General Indicators
■ DeviceNet Indicators (MCW151-DRT-E only)
The following table lists probable causes and remedies for errors that occur in
the Slave Unit.
RUN
STS
SD RD
MCW151 MCW151-DRT
RUN
MS
STS
NS
MCW151-E MCW151-DRT-E
RUN STS Error Remedy
ON --- (Normal) ---
OFF OFF The MC Unit is defective. Replace the MC Unit.
--- Flashing A motion error has occurred.
The Servo Driver has been
disabled.
Check what caused the
error, correct the problem
and restart application.
Flashing Flashing An error occurred in the com-
munication with the Servo
Driver.
Check what caused the
error, correct the problem
and cycle the power.
Display/Indicator
status
Network status Probable cause and remedy
MS NS
ON
(green)
ON
(green)
Remote I/O or message communi-
cation in progress (normal status)
Remote I/O communications and/or message communications
are active on the Network.
ON
(green)
OFF Checking for node address dupli-
cation
Checking whether the Unit’s node address has been set on
another node.
ON
(green)
Flashing
(green)
Waiting for connection The Unit is waiting for a connection from the Master Unit.
ON (red) OFF Watchdog timer error A watchdog timer error occurred in the Unit. Replace the Unit.
Flashing
(red)
OFF Incorrect switch settings A mistake has been made in the switch settings. Check the
settings and restart the Slave.
ON
(green)
ON (red) Node address duplication The Slave Unit’s node address has been set on another node.
Change settings to eliminate the duplication and restart the
Slave.
ON
(green)
ON (red) Bus Off error detected The communications controller detected a Bus Off status and
communications have been stopped.
Check the following and restart the Slave: Master/Slave baud
rates, for loose or broken cables, for noise, cable lengths, and
Terminating Resistors.
ON
(green)
Flashing
(red)
Communications timeout The connection with the Master Unit timed out.
Check the following and restart the Slave: Master/Slave baud
rates, for loose or broken cables, for noise, cable lengths, and
Terminating Resistors.