Chapter 14 Troubleshooting
14-7
14.2
Troubleshooting for CPU Modules
Check the LED indicators and the error codes from the CPU module and refer to the following table for troubleshooting. V
in the Log column indicates the error is recorded in the log. X in the Log column indicates the error is not recorded in the
log. H in the Log column indicates whether or not you can set recording the error in the log in HWCONFIG. Note: You can
also find error log stored in SR, refer to Chapter 2 in the DVP-ES3/EX3/SV3/SX3 Series Programming Manual for more
information.
14.2.1
ERROR LED Indicators Are ON
Error
Code
Description Solution Flag Log
000A Scan timeout
1. Check the setting of the watchdog timer in HWCONFIG.
2. Check whether the program causes a long scan time
SM8 V
14.2.2
ERROR LED Indicators Blinking Every 0.5 Seconds
Error
Code
(16#)
Description Solution Flag Log
000C
The program in the PLC is
damaged.
Download the program again. SM9 V
000D
Device initial values and PLC
program are not downloaded
Download the program again. SM9 V
0010 CPU memory is denied. Contact the factory. SM9 V
0020
CPU execution speed does not
Contact the factory. SM9 V
002E
CPU external memory access is
denied.
Contact the factory. SM9 V
002F
PLC programs are not consistent
with the system logs.
Download the program again. SM34
V
0102
The interrupt number exceeds the
Check the program, compile the program again, and
download the program again.
SM5 X
0202
The MC instruction exceeds the
Check the program, compile the program again, and
download the program again.
SM5 X
0302
The MCR instruction exceeds the
Check the program, compile the program again, and
download the program again.
SM5 X
0D03
The operands used in DHSCS are
Check the program, compile the program again, and
download the program again.
SM5 X
0E05
The operands HCXXX used in
DCNT are not used properly.
Check the program, compile the program again, and
download the program again.
SM5 X
l
System error Contact the factory. - V
140F
Number of input and output points
set in the DIO module exceeds the
Check if the total number of inputs and outputs exceeds
the limit (ES3/EX3: 240 points; SV3/SX3: 480 points).
SM10
V