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Diagnostics
96
Product manual | Version: 2.0.0
16DO FLD EI DC 24V 2.0A
11
Diagnostics
11.1 Diagnostics via Indicators
Power Supply Status
The 1L and 2L LEDs indicate the status of the supply voltages.
Table 59: Supply Voltage Status, 1L and 2L
LED
Color
State
Description
1L
Duo LED, red/green
Green
On
1L supply voltage OK
Off
Off
No 1L supply voltage
2L
Duo LED, red/green
Green
On
2L supply voltage ok
Red
On
2L undervoltage (voltage between 11 V and
18 V)
Red
Flashing
2L overvoltage (voltage above 30 V)
Off
Off
No 2L supply voltage
System Status
The SYS LED indicates the status of the system (product).
Table 60: System Status
LED
Color
State
Description
SYS
(system status)
Duo LED, yellow/green
Green
On
System status: OK Firmware is being exe-
cuted.
Yellow/green
Flashing 4 Hz, alter-
nating colors
Firmware update active
Yellow
On
During the firmware update, an error was
detected, e.g., a checksum error.
Off
Off
No power supply
Status of the Field-Side Functions
The FLD LED indicates the status of the field-side functions.
Table 61: Field LED
LED
Color
State
Description
FLD
Duo LED, green/yellow (yellow = simultaneously red and green)
Green
On
Normal operating state
Green
Flashing (1 Hz)
Force mode is active
Green
Flashing (4 Hz)
WAGO IO-Link Configurator is connected
to the module
Yellow
On
Configuration error
Off
Off
Non-operational; no voltage
Application Status
The APL LED indicates the status of the application.
