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.
Summary of Contents for NT31 Series
Page 1: ...Cat No V043 E1 2 Programmable Terminal NT31 31C OPERATION MANUAL...
Page 2: ...iii NT31 31C Programmable Terminal Operation Manual Produced March 1999...
Page 41: ...30 Before Operating Section 1 5...
Page 75: ...64 Using a Memory Unit NT31 NT31C without V1 Section 3 6...
Page 160: ...149...
Page 174: ...163...
Page 193: ...182...
Page 211: ...200...
Page 235: ...224 c Return to the screen on which screens are specified...
Page 262: ...251...
Page 360: ...349 It is not possible to control a gloval window by touch switch operation...
Page 468: ...457 254 255 0 2 7 1 4 5 3 3 0 0 0 5 9 8 0 3...
Page 476: ...465 Special Functions Section 7 16...
Page 495: ...484 OFF...
Page 610: ...599 Commands Responses Section 9 3...
Page 630: ...619 Examples of Actual Applications of Memory Link Section 10 2...