9
F3SG-R
User’s Manual
Chapter1 LED Indicators
Overview and Specifications
E
1-4-1. LED Indicator Status
Shown below are indication statuses of F3SG-R LED indicators when you purchased.
Emitter
Receiver
Location Name of Indicator Color
F3SG-RA
Series
F3SG-RE
Series
Illuminated Blinking
1 Test TEST Green X -
External Test is being
performed
2 Operating range LONG Green X X
Long range mode is
selected
Lockout state due to DIP
Switch setting error or
Operating range selection
setting error
3 Power POWER Green X X Power is ON. Error due to noise
4 Lockout LOCKOUT Red X X -
Lockout state due to error
in emitter
Location Name of Indicator Color
F3SG-RA
Series
F3SG-RE
Series
Illuminated Blinking
1 Top-beam-state TOP Blue X X
The top beam is
unblocked
Muting/Override state, or
Lockout state due to Cap
error or Other sensor error
*3
2 PNP/NPN mode NPN Green X
NPN mode is selected by
DIP Switch
-
3 Response time SLOW Green X
Response Time
Adjustment is enabled
-
4 Sequence error SEQ Yellow X -
Sequence error in Muting
or Pre-reset mode
5 Blanking BLANK Green X
Blanking, Warning Zone
or Reduced Resolution is
enabled
Teach-in mode, or
Blanking Monitoring error
6 Configuration CFG Green X -
Teach-in mode, zone
measurement beng
performed by Dynamic
Muting, or Lockout state
due to Parameter error or
Cascading Configuration
error
7 Interlock INT-LK Yellow X Interlock state Pre-reset mode *2
8
External device
monitoring
EDM Green X
RESET input is in ON
state *1
Lockout state due to EDM
error
9 Internal error
INTERNAL
Red X X -
Lockout state due to
Internal error, or error due
to abnormal power supply
or noise
10 Lockout LOCKOUT Red X X -
Lockout state due to error
in receiver
11 Stable-state STB Green X X
Incident light level is
170% or higher of ON-
threshold
Safety output is
instantaneously turned
OFF due to ambient light
or vibration
12 ON/OFF ON/OFF
Green
XX
Safety output is in ON
state
-
Red
Safety output is in OFF
state, or the sensor is in
Setting state
Lockout state due to
Safety Output error, or
error due to abnormal
power supply or noise