L Run Led [Fx 3Uc -32Mt-Lt(-2)]; L Err Led [Fx 3Uc -32Mt-Lt(-2)] - Mitsubishi Electric MELSEC FX3U 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
Unlit
*1
CONFIG
Unlit
TEST
Unlit
*1. FX -32MT-LT only.
3UC
38.1.7 L ERR LED [FX
Mode LED status
ONLINE
Flickering
Unlit
*1
CONFIG
Flickering
Unlit
TEST
Unlit
*1. FX -32MT-LT only.
3UC
-32MT-LT(-2)]
3UC
PLC status
Lit Data link is executing
Data link is stopped
Lit Data link is executing
Data link is stopped
The self-loopback test is
Lit
normally finished.
The self-loopback test is
abnormally finished.
(This LED is off
while the self-loopback test
is executing.)
-32MT-LT(-2)]
3UC
PLC status
• Unit disconnected
• Outside-control-range
Lit station error
• RD station number setting
error
All stations are abnormal
Data link is being normally
executed
Used station numbers
mismatch. (Remote stations
Lit
are checked 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
executed
The self-loopback test is
Lit
abnormally finished.
The self-loopback test is
normally finished.
(This LED is off while the self-
loopback test is executing.)
→ For details, refer to the Hardware Edition of the PLC main unit.
38 Error Check Method and Error Code List
38.1 States and Colors of LEDs PLC Operation Status
Action
⎯
• 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 Distributor.
Action
• 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.
• Check whether 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 Distributor.
⎯
31
32
33
34
35
36
37
38
A
B
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