Errors Occurring On Screen Data Initialization And Transmission; Errors In The System Installer Mode And Their Remedies - Omron Programmable Terminals NT631 Setup Manual

Responding to Displayed Error Messages
7-2-3

Errors Occurring on Screen Data Initialization and Transmission

Message
[Flash Memory Error]
Flash Memory I/O Error.
If this happens frequently, Flash
Memory may be broken.
Press Reset Switch to restart.
[Calendar Data Error]
Calendar Data is incorrect.
Set to the MAINTENANCE MODE
and set Calendar Data.
[Tool Transmit Error]
∗∗∗∗ Error detected while down-
loading by the following case:
• faulty connecting cable.
• corrupted data by noise.
[Tool Transmit Error]
Check Sum Error occurs while
downloading by the following
case:
• corrupted data by noise.
[Tool Transmit Error]
Time-out Error occurs while down-
loading by the following case:
• faulty connecting cable.
[Tool Transmit Error]
Reception was failed by Buffer
Over Flow Error.
7-2-4

Errors in the System Installer Mode and Their Remedies

Message
System Program not exist or
incorrect.
Unable to erase System Program. Hardware fault, or flash memory
232
The table below shows the errors that can occur when the NT631/NT631C
data is initialized, and during data setting and transmission, and their reme-
dies.
Cause
There is a hardware fault, or the
flash memory (memory for storing
screen data) has reached the end
of its service life.
Hardware fault, or system pro-
gram error
The connecting cable is defective. Check the cable connection and perform a con-
Malfunction due to external noise
Malfunction due to external noise
The connecting cable is defective. Check the cable connection and perform a con-
The receive buffer has overflowed. Retransmit the data from the Support Tool.
This section describes the errors that may occur in the System Installer mode
of the NT631/NT631C, and the remedies for these errors.
Cause
- The system program has not
been installed.
- The system program has been
deleted due to a hardware fault,
or because the flash memory
(memory for storing the system
program) has reached its life.
(memory for storing the system
program) has reached its life.
Remedy
If the same message is displayed even after
clearing the screen data or transmitting screen
data several times, contact your OMRON service
center.
Set the calendar clock again from the System
Menu. If the problem recurs, delete the program
in the System Installer mode, then re-install the
program. (6-5-2 Clearing/Installing the System
Program, page 145)
If this does not solve the problem, contact your
OMRON service center.
ductivity test. If there is a fault, replace the cable.
(Appendix F Making the Cable for Connecting a
PLC)
Carry out grounding work in accordance with the
conditions by referring to 3-1-4 Grounding,
page 34.
Carry out grounding work in accordance with the
conditions by referring to 3-1-4 Grounding,
page 34.
ductivity test. If there is a fault, replace the cable.
Remedy
Select Download System Program and download
the system program (6-5-2 Clearing/Installing the
System Program, page 145)
If this does not solve the problem, contact your
OMRON service center.
If the same message is displayed on repeating
selection of Download System Program and
attempting to delete the system program several
times, contact your OMRON service center (6-5-2
Clearing/Installing the System Program,
page 145)
Section 7-2