8
The key lock function prevents settings from being changed inadvertently.
While in RUN mode, press <MODE> + the jog switch for at least 2s to set or
release the key lock function.
When the keys are locked, only the threshold value confirmation and adjust
functions are valid.
If the following error codes are displayed, please take appropriate
measures.
If “NAVI” is printed on only one side, the unit is the modified version. The 0-
ADJ setting function was removed in May, 2005.
If “NAVI” is printed on both sides, the unit is the original version.
Modified unit
Conventional unit
When mounting the modified version units and conventional
version units together in cascade, place the modified version units
on the right of the conventional version units as viewed from the
connector side.
14 KEY LOCK FUNCTION
15 ERROR INDICATION
Display Error Description Measures
The load is short-cir-
cuited causing overcur-
rent.
Turn off the power, then check
the load.
Communication error in
cascade connection.
Check that the amplifiers
mounted in cascade are in close
contact with each other.
16 UNIT VERSIONS
NAVI
New Advanced sensor
with Visible Indicator
NAVI
New Advanced sensor
with Visible Indicator
NAVI
New Advanced sensor
with Visible Indicator
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