Omron Programmable Terminals NT31 NT31C Setup Manual page 57

Using a Memory Unit (-Vj Versions)
46
• The continuous buzzer sounds.
• The RUN LED flashes.
If a protect setting error occurs when executing manual transmission, it is pos-
sible to return to the memory unit manual transmission screen by pressing the
OK touch switch, but in the case of other errors, the status described above re-
mains in effect until the NT31/NT31C power is turned OFF or reset.
When an error occurs, take remedial action by referring to the table below.
Error
Mode setting error DIP switches SW1-1 to
SW1-3 are all OFF, or
more than one is ON.
Protect setting error Writing to the data write
(automatic destination has been
transmission) prohibited by the setting
of SW2-1 or SW2-2.
Protect setting error Writing to the data write
(manual destination has been
transmission) prohibited by the setting
of SW2-1 or SW2-2.
Flash memory error An error occurred during
initialization of the
NT31/NT31C or memory
unit flash memory, or
during write processing.
Verify error An error occurred during
verification processing at
the flash memory of the
NT31/NT31C or the
memory unit.
Transmitting data An attempt is made to
error transmit data other than
(The automatic a system program or the
transmission only) 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.
Probable Cause
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 re-
turn to the memory unit manual
transmission 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 power 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 set-
tings 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.
Section 3-5
Remedial Action