Error Codes And Led Indicators; Cpu Modules - Delta AH500 Programming Manual

AH 5 00 Pr ogr am m ing Ma n ua l

7.1 Error Codes and LED Indicators


Columns
a. Error code: If the error occurs in the system, the error code is generated.
b. Description: The description of the error
c. CPU status: If the error occurs, the CPU stops running, keeps running, or in the status defined
by users.
 Stop: The CPU stops running when the error occurs.
 Keep: The CPU keeps running when the error occurs.
 Self-defined: The status of the CPU can be defined by users. Please refer to section 8.2.1 in
Operation Manual for more information.
d. LED indicator status: If the error occurs, the LED indicator is ON, OFF, or blinks.
 ERROR: The system error
 BUS FAULT: The I/O bus error
 Module ERROR: The module error

LED indicators
LED indicator
ERROR
CPU
BUS FAULT
Module ERROR
7.1.1

CPU Modules

Error code
Scan timeout
16#000A
(SM8: The watchdog timer error
16#000B The program in the PLC is damaged.
The program downloaded to the PLC is
16#000C
incorrect.
16#000D The CPU parameter is damaged.
The program or the parameter is being
16#000E downloaded, and therefore the PLC can not
run.
16#000F The original program in the PLC is damaged.
The access to the memory in the CPU is
16#0010
denied.
16#0011 The PLC ID is incorrect. (SM9)
16#0012 The PLC password is incorrect.
16#0013 The I/O module can not run/stop. (SM10)
The procedure of restoring the system can not
16#0014
be executed. (SM9)
16#0015 The module table is incorrect. (SM10)
7 - 2
The status of the CPU
ON: A serious error occurs in the system.
OFF: The system is normal.
Blinking: A slight error occurs in the system.
The status of the I/O bus
ON: A serious error occurs in the I/O bus.
OFF: The I/O bus is normal.
Blinking: A slight error occurs in the I/O bus.
The status of the module
ON: A serious error occurs in the module.
OFF: The module is normal.
Blinking: A slight error occurs in the module.
Description
)
Description
LED indicator
CPU
Status
ERROR
Stop Blinking
Stop ON
Stop Blinking
Stop ON
Stop Blinking
Continue Keep
Stop ON
Continue ON
Continue ON
Stop Keep
Stop ON
Stop ON
status
BUS
FAULT
Keep
Keep
Keep
Keep
Keep
Keep
Keep
Keep
Keep
ON
ON
Keep