Omron NT31

63
Using a Memory Unit (NT31/NT31C without V1)
Section 3-6
Errors When Using a Memory Unit
If an error occurs when using the memory unit, the NT31/NT31C operates as fol-
lows.
S The details of the error and remedial action are displayed on the screen.
S The continuous buzzer sounds.
S The RUN LED flashes.
If a protect setting error occurs when executing manual transmission, it is possible
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 remains 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 Probable Cause Remedial Action
Mode setting error DIP switches SW1-1 to
SW1-3 are all OFF, or
more than one is ON.
Turn the NT31/NT31C power OFF,
set the memory unit DIP switches
correctly, then turn the NT31/NT31C
power back ON.
Protect setting error
(automatic
transmission)
Writing to the data write
destination has been
prohibited by the setting
of SW2-1 or SW2-2.
Turn the NT31/NT31C power OFF,
set the memory unit DIP switches
correctly, then turn the NT31/NT31C
power back ON.
Protect setting error
(manual
transmission)
Writing to the data write
destination has been
prohibited by the setting
of SW2-1 or SW2-2.
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.
Flash memory error An error occurred during
initialization of the
NT31/NT31C or memory
unit flash memory, or
during write processing.
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.
Verify error An error occurred during
verification processing at
the flash memory of the
NT31/NT31C or the
memory 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.