Omron NT11 - 01-2004, User Manual

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139
Responding to Displayed Error Messages
Section 6-2
6-2-2 Errors Occurring during Operation and Their Remedies
The table below shows the errors that can occur during operation of the NT11
and their remedies.
6-2-3 Errors Occurring on Screen Data Initialization and Transmission
The table below shows the errors that can occur when the NT11 data is initial-
ized, and during data setting and transmission, and their remedies.
Message Cause Remedy
[Address Setting Error]
Addressing Error exists in the
Screen.
Correct address setting by the NT
Support Tool.
The host side allocated words and
bits set with the NT Support Tool
are incorrect. Set correct words and bits after checking the area
used at the host side by referring operation man-
ual for the PLC being used.
[Memory Table No. Error]
Memory table entry number is out
of limit.
Correct the table entry number by
the NT Support Tool.
The memory table entry number
set with the NT Support Tool is
outside the range for the number
of entries in the memory table set
in the system memory. Either increase the number of memory table
entries in the System settings under PT Configu-
ration at the NT Support Tool, or set the memory
table entry number again within the established
range. Then transmit all of the screen data in a
batch to the NT11.
Message Cause Remedy
[Flash Memory Error]
Flash Memory I/O Error.
If this happens frequently, Flash
Memory may be broken.
Press Reset Switch to restart.
There is a hardware fault, or the
flash memory (memory for storing
screen data) has reached the end
of its service life. If the same message is displayed even after
clearing the screen data or transmitting screen
data several times, contact your OMRON service
center.
[Tool Transmit Error]
****
Error detected while down-
loading by the following case:
• faulty connecting cable.
• corrupted data by noise.
The connecting cable is defective. Check the cable connection and perform a con-
ductivity test. If there is a fault, replace the cable.
(
Appendix D Making the Cable , page 153)
Malfunction due to external noise Carry out grounding work in accordance with the
conditions by referring to
2-2-3 Wiring the Ground
Wire , page 21.
[Tool Transmit Error]
Check Sum Error occurs while
downloading by the following
case:
• corrupted data by noise.
Malfunction due to external noise Carry out grounding work in accordance with the
conditions by referring to
2-2-3 Wiring the Ground
Wire , page 21.
[Tool Transmit Error]
Time-out Error occurs while down-
loading by the following case:
• faulty connecting cable.
The connecting cable is defective. Check the cable connection and perform a con-
ductivity test. If there is a fault, replace the cable.
[Tool Transmit Error]
Reception was failed by Buffer
Over Flow Error.
The receive buffer has over-
flowed. Retransmit the data from the NT Support Tool.