
C h a p t e r 1 2 Tr o u b l e s h o o t i n g
1 2 - 6 3
12.4.1
CPU Modules
Error
code
Description
CPU
Status
LED indicator status
ERROR
BUS
FAULT
16#000A
Scan timeout
(SM8: The watchdog timer error)
Stop
Blinking
Keep
16#000B
The program in the PLC is damaged.
Stop
ON
Keep
16#000C
The program downloaded to the PLC is incorrect.
Stop
Blinking
Keep
16#000D
The CPU parameter is damaged.
Stop
ON
Keep
16#000E
The program or the parameter is being downloaded,
and therefore the PLC can not run.
Stop
Blinking
Keep
16#000F
The original program in the PLC is damaged.
Continue
Keep
Keep
16#0010
The access to the memory in the CPU is denied.
Stop
ON
Keep
16#0011
The PLC ID is incorrect. (SM9)
Continue
ON
Keep
16#0012
The PLC password is incorrect.
Continue
ON
Keep
16#0013
The I/O module can not run/stop. (SM10)
Stop
Keep
ON
16#0014
The procedure of restoring the system can not be
executed. (SM9)
Stop
ON
ON
16#0015
The module table is incorrect. (SM10)
Stop
ON
Keep
16#0016
The module setting is incorrect. (SM10)
Stop
ON
Keep
16#0017
The device which is associated with the data register is
incorrect. (SM10)
Stop
ON
Keep
16#0018
The serial port is abnormal. (SM9)
Continue
Blinking
Keep
16#0019
The USB is abnormal. (SM9)
Continue
Blinking
Keep
16#001A
The contents of the system backup file (DUP) are
incorrect.
Stop
ON
Keep
16#001B
Timed interrupt 0 is set incorrectly.
Stop
ON
Keep
16#001C
Timed interrupt 1 is set incorrectly.
Stop
ON
Keep
16#001D
Timed interrupt 2 is set incorrectly.
Stop
ON
Keep
16#001E
Timed interrupt 3 is set incorrectly.
Stop
ON
Keep
16#001F
The watchdog timer is set incorrectly.
Stop
ON
Keep
16#0020
The setting of the fixed scan time is incorrect.
Stop
ON
Keep
16#0021
The setting of the fixed scan time is incorrect.
Stop
ON
Keep
16#0022
The CPU parameter downloaded to the PLC is
incorrect.
Stop
ON
Keep
16#0023
The Y state (STOP->RUN) section in the PLC
Parameter Setting window is set incorrectly.
Stop
ON
Keep
16#0024
There is no I/O module on a backplane.
Continue
Keep
Keep
16#0025
The initial value of the symbol is not consistant with
what is set in the program.
Stop
ON
Keep
16#0026
The latching auxiliary relay range which is set is
incorrect.
Stop
ON
Keep
16#0027
The latching data register range which is set is
incorrect.
Stop
ON
Keep
16#0028
The latching timer range which is set is incorrect.
Stop
ON
Keep
16#0029
The latching counter range which is set is incorrect.
Stop
ON
Keep
16#002A
The latching 32-bit counter range which is set is
incorrect.
Stop
ON
Keep
16#002B
The latching auxiliary relay range which is set is
incorrect.
Stop
ON
Keep
16#0033
The communication setting of COM1 is incorrect.
(SM9)
Continue
Blinking
Keep
16#0034
The setting of the station address of COM1 is incorrect.
(SM9)
Continue
Blinking
Keep
Summary of Contents for AH500 series
Page 35: ...AH500 Hardware and Operation Manual 2 2 2 12 2 Profiles 2 117 2 12 3 Dimensions 2 118 ...
Page 153: ...AH500 Hardware and Operation Manual 2 120 MEMO ...
Page 167: ...AH500 Hardware and Operation Manual 3 14 MEMO ...
Page 343: ...AH500 Hardware and Operation Manual 6 38 MEMO ...
Page 361: ...AH500 Hardware and Operation Manual 7 18 MEMO ...
Page 403: ...Chapter 8 Hardware Configuration 8 42 MEMO ...
Page 412: ...Chapter 9 Network Configuration 9 9 ...
Page 445: ...AH500 Hardware and Operation Manual 9 42 MEMO ...
Page 552: ...Chapter 12 Troubleshooting 12 3 12 1 3 Troubleshooting Procedure ...
Page 649: ...AH500 Hardware and Operation Manual A 8 ...
Page 657: ...AH500 Hardware and Operation Manual A 16 MEMO ...
Page 658: ...B 1 Appendix B Device Addresses Table of Contents B 1 Device Addresses B 2 ...
Page 663: ...AH500 Hardware and Operation Manual C 4 MEMO ...
Page 681: ...AH500 Hardware and Operation Manual 3 14 MEMO ...