Omron NT31 Operation Manuals page 67

Using a Memory Unit (NT31/NT31C with V1)
56
When an error occurs, take remedial action by referring to the table below.
Error
Mode setting error
Protect setting error
(automatic
transmission)
Protect setting error
(manual
transmission)
Flash memory error
Verify error
Transmitting data
error
(The automatic
transmission only)
Probable Cause
DIP switches SW1-1 to
SW1-3 are all OFF, or
more than one is ON.
Writing to the data write
destination has been
prohibited by the setting
of SW2-1 or SW2-2.
Writing to the data write
destination has been
prohibited by the setting
of SW2-1 or SW2-2.
An error occurred during
initialization of the
NT31/NT31C or memory
unit flash memory, or
during write processing.
An error occurred during
verification processing at
the flash memory of the
NT31/NT31C or the
memory unit.
An attempt is made to
transmit data other than
a system program or the
system program of a
different PC model into
the NT31/NT31C as the
system program.
An attempt is made to
write a system program
into the NT31/NT31C as
screen data.
Section 3-5
Remedial Action
Turn the NT31/NT31C power OFF,
set the memory unit DIP switches
correctly, then turn the NT31/NT31C
power back ON.
Turn the NT31/NT31C power OFF,
set the memory unit DIP switches
correctly, then turn the NT31/NT31C
power back ON.
Perform either of the following
procedures.
S Press the OK touch switch to return
to the memory unit manual trans-
mission screen, make the correct
settings, then try again.
S Turn the NT31/NT31C power OFF,
correct the DIP switches settings of
the memory unit, then turn the pow-
er back ON.
Turn the NT31/NT31C power OFF,
then back ON. If the error recurs,
the flash memory at the write
destination may be faulty. In this
case, replace the unit.
Turn the NT31/NT31C power OFF,
then back ON. If the error recurs,
the flash memory at the write
destination may be faulty. In this
case, replace the unit.
Perform either of the following
procedures.
S Turn the NT31/NT31C power OFF,
correct the DIP switch settings of
the memory unit, and then turn the
power back ON.
S Turn the NT31/NT31C power OFF,
set the DIP switch settings to the
manual transmission, and then
check the data inside the memory
unit.