![background image](http://html1.mh-extra.com/html/omron/cs1w-lc001/cs1w-lc001_operation-manual_742359211.webp)
Errors and Alarm Troubleshooting
Section
7-1
194
Error that occur during regular running
LED
RUN
ERH
ERC
Item
Cause
State
Error code
(stored as
error log data)
Remedy
Lit
Out
Out
Normal
CPU Unit running
None
Running stopped
One of the following:
Regular running
stop
Fatal error on
CPU Unit
Cancel the fatal error
referring to the CPU Unit
Operation Manual.
CPU Unit in
standby mode
Running
stopped
Cancel the standby mode
referring to the CPU Unit
Operation Manual.
Out
Out
Out
Normal or
load rate
exceeded
at
operation
cycle of
two
seconds
Load rate
exceeded at
operation cycle of
2s (Operation
Cycle Automatic
Switching
Generation flag is
ON)
1) Running
stopped
2) ITEM068
of System
Common
block is 1
(ON).
None
Add on another Loop
Control Unit, and distribute
processing between Loop
Control Units.
(not
related)
(not
related)
Lit
Function
block
database
error
Data corruption
caused by noise
1) Running
stopped
2) In the case of
only a partial
error,
operation is
stopped only
at the
function
block in
question.
0331
Detailed code:
Block
address.
FFFF
indicates that
the entire
database is in
error.
Execute initialization using
CX-Process Tool.
Set the data again to the
function block in question
using CX-Process Tool.
(not
related)
(not
related)
Blinking
Battery
error
Battery not mounted or
drop in internal battery
power voltage (Only
when DIP switch pin 2
is OFF)
Running
continued
0330
Check the battery
connection. If the
connection is normal,
replace the battery.
(not
related)
Lit
(not
related)
CPU Unit
error
One of the following
errors occurred on the
CPU Unit:
1) WDT error
2) Cyclic monitoring
error
3) Bus error
Running
stopped
1) 0001
2) 0002
3) 000E
Refer to the CPU Unit
Operation Manual.