Delta AH500 series Manual Page 275

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  • TROUBLESHOOTING
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Chapter 9 Troubleshooting
9-11
Error
code
Description Remedy
16#1409
The extension backplane is
disconnected. (SM9)
1. Check whether the extension backplane is connected
properly.
2. Check whether the extension backplane operates
normally, and make sure that the extension backplane
is not affected by noise.
16#140A
The communication with the
extension backplane is incorrect.
(SM9)
1. Check whether the extension backplane is connected
properly.
2. Check whether the extension backplane operates
normally, and make sure that the extension backplane
is not affected by noise.
16#140B
The number of network modules
exceeds the limit. (SM9)
Please decrease the number of network modules to the
number supported by the system.
9.1.4
BUS FAULT LED Indicator’s Blinking
If the BUS FAULT LED blinks, please check the operating state of the module. Please refer to sections
12.4.2~12.4.8 in AH500 Operation Manual for more information about the LED indicators, and section 9.2 in
this manual for more information about the troubleshooting for I/O modules.
9.1.5
Others
Error
code
Description Remedy
16#000F
The original program in the PLC is
damaged.
After users compile the program again, they can
download the program again.
16#2026
The interrupt number used in RS is
incorrect.
Compile the program again, and download the program
again. If the error still occurs, please contact the factory.
16#600A TCP connection failure (SM1090)
1. Check the actual network configuration, and check
whether the number of TCP connections exceeds the
upper limit supported by the CPU module.
2. Retry the TCP connection later. (This error does not
cause the PLC to stop running. Users can perform the
corresponding remedy by means of the related flag in
the program.)
16#600B UDP connection failure (SM1091)
1. Check the actual network configuration, and check
whether the number of UDP connections exceeds the
upper limit supported by the CPU module.
2. Retry the TCP connection later. (This error does not
cause the PLC to stop running. Users can perform the
corresponding remedy by means of the related flag in
the program.)
16#600C
The TCP socket has been used.
(SM1109)
1. Check whether the actual data access results in the
use of the same socket.
2. Change the socket number, or retry the socket later.
(This error does not cause the PLC to stop running.
Users can perform the corresponding remedy by
means of the related flag in the program.)
16#600D The RJ45 port is not connected. Check the communication cable.
16#6100
The email connection is busy.
(SM1113)
Retry the email connection later. (This error does not
cause the PLC to stop running. Users can perform the
corresponding remedy by means of the related flag in
the program.)
16#6104
The attachment in the email does
not exist. (SM1113)
Check whether the attachment exists in the memory
card.
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