7-2SectionResponding to Displayed Error Messages
180
7-2-3 Errors Occurring on Screen Data Initialization and Transmission
The
table below shows the errors that can occur when the NT21 data is initial
-
ized, and during data setting and transmission, and their remedies.
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.
[T
ool T
ransmit Error]
∗∗∗∗ Error detected while
downloading by the following
case:
The connecting cable is
defective.
Check the cable connection and perform a
conductivity test. If there is a fault, replace the
cable. (Appendix E Making the Cable for
Connecting a PC
, page
199)
S faulty connecting cable.
S corrupted data by noise.
Malfunction due to external noise Carry out grounding work in accordance with the
conditions by referring to 3-1-4 Grounding
, page
18.
[T
ool T
ransmit Error]
Check Sum Error occurs while
downloading by the following
case:
S corrupted data by noise.
Malfunction due to external noise Carry out grounding work in accordance with the
conditions by referring to 3-1-4 Grounding
, page
18.
[T
ool T
ransmit Error]
Time-out Error occurs while
downloading by the following
case:
S faulty connecting cable.
The connecting cable is
defective.
Check the cable connection and perform a
conductivity test. If there is a fault, replace the
cable.
[T
ool T
ransmit Error]
Reception was failed by Buffer
Over Flow Error.
The receive buffer has
overflowed.
Retransmit the data from the NT Support Tool.
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