L Run Led [Fx 3Uc -32Mt-Lt(-2)]; L Err Led [Fx 3Uc -32Mt-Lt(-2)] - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
38.1.6 L RUN LED [FX
Mode LED status
ONLINE
*1
CONFIG
TEST
*1. FX -32MT-LT only.
3UC
38.1.7 L ERR LED [FX
Mode LED status
ONLINE
Flickering
*1
CONFIG
Flickering
TEST
*1. FX -32MT-LT only.
3UC
878
-32MT-LT(-2)]
3UC
PLC status
Lit Data link is executing
Unlit Data link is stopped
Lit Data link is executing
Unlit Data link is stopped
The self-loopback test is
Lit
normally finished.
The self-loopback test is
abnormally finished.
Unlit (This LED is off
while the self-loopback test
is executing.)
-32MT-LT(-2)]
3UC
PLC status
• Unit disconnected
• Outside-control-range station
Lit error
• RD station number setting
error
All stations are abnormal
Data link is being normally
Unlit
executed
Used station numbers mismatch.
(Remote stations are checked
Lit
while the remote station
information is edited.)
All stations are abnormal.
(Remote stations are checked
while the remote station
information is edited.)
Data link is being normally
Unlit
executed
The self-loopback test is
Lit
abnormally finished.
The self-loopback test is normally
finished.
Unlit
(This LED is off while the self-
loopback test is executing.)
38 Error Check Method and Error Code List
38.1 States and Colors of LEDs PLC Operation Status
• Take action according to the L ERR LED status.
• Take action according to the L ERR LED status.
• Make sure that the power is correctly supplied to the PLC.
• If the L RUN LED is not off even after the above check, consult a
Mitsubishi Electric representative.
• Securely connect the built-in master to remote I/O units and
remote device stations on the network.
• Make sure that the connected remote I/O units and remote device
stations are consistent with the detailed information on remote
stations.
• Securely connect the built-in master to remote I/O units and
remote device stations on the network.
• Make sure that the connected remote I/O units and remote device
stations are consistent with the detailed information on remote
stations.
• Securely connect the built-in master to remote I/O units and
remote device stations on the network.
• Make sure that the connected remote I/O units and remote device
stations are consistent with the detailed information on remote
stations.
• Verify that remote device station numbers are within the allowable
range.
• Make sure that the power is correctly supplied to the PLC.
• If the L RUN LED is on even after the above check, consult a
Mitsubishi Electric representative.
→ For details, refer to the Hardware Edition of the PLC main unit.
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