Mitsubishi Electric NZ2GFSS2 32D S1 User Manual page 122

Item Inspection item
4 LED status in
operation
*1 For the NZ2GFSS2-8D-S1, NZ2GFSS2-8TE-S1, or NZ2GFSS2-16DTE-S1
*2 For the NZ2GFSS2-32D-S1
*3 If the LED is off with the power applied from the external power supply, it indicates an error.
*4 For when "I/O LED indication at error occurrence" is set to "1: Indication of error point"
9 MAINTENANCE AND INSPECTION
120
9.1 Daily Inspection
Inspection method
PW LED Check that the LED is on.
RUN LED Check that the LED is on.
MODE LED Check that the LED is on.
D LINK LED Check that the LED is on.
SAFETY LED Check that the LED is on.
ERR. LED Check that the LED is off.
*1
I/O PW LED Check that the LED is on.
Input status Check that the LED is on,
*1
indicator LED flashing , or off.
Output status Check that the LED is on,
*1
indicator LED flashing , or off.
Judgment criterion Corrective action
On Refer to the following and take
corrective actions.
On
Page 123 Checking the LEDs
On
On
On
Off
On
The LED must be on when Replace the module with a new one.
an input is on. (When an LED fails)
The LED must be off when
an input is off.
Flashing indicates the error
*4
point .
The LED must be on when
an output is on.
The LED must be off when
an output is off.
Flashing indicates the error
*4
point .