Status and error displays SF/MT, BF, ON
Table 7-1 Status and error displays of the ET 200eco PN
LEDs
SF/MT
BF
ON
Meaning
Remedy
Off
Off
On
IO Device is currently exchanging data with the
IO Controller without errors. The IO Device is
supplied with power (electronic/sensor supply).
---
Electronic/sensor voltage missing or too low at
the I/O device.
Switch on the electronic/sensor/load supply for
the IO Device.
Off
Off
Off
Hardware fault.
Replace the I/O device.
*
Flashing On
Faulty or no connect message frame - no data
exchange between the IO Controller and the
distributed device (IO Device), although the
device is physically connected to the switch.
Causes:
•
Incorrect device name
•
Error in configuration
•
Parameterization errors
•
Check the I/O device.
•
Check the configuration and parameter set
tings.
•
Check the device name.
•
Check the IO Controller.
*
On
On
•
The IO Device is not connected to a switch.
•
Connect to the IO Controller.
•
Assign a valid device name to the I/O device.
•
Check the bus installation.
•
Check whether the M12 cable connectors
are properly installed.
•
Check whether the bus cable to the IO Con
troller is interrupted.
On
(red)
*
On
Fault in peripheral circuit.
Incoming diagnostics
Evaluate the diagnostics interrupt.
On
(yellow)
*
*
Maintenance alarm
Analyze the maintenance alarm.
* irrelevant
Status display of the port LEDs
Table 7-2 Status display of the port LEDs
LED
P1 LK
P2 LK
Meaning
Remedy
Off
Off
No connection to the switch/IO Controller.
Check the IE cable.
On
On
Connection to switch/IO Controller.
-
Status display DC 24V (only on I/O devices with digital outputs)
The DC 24V LED is lit in green color to indicate that you have connected the 2L+ switched
load voltage supply. If the LED is not lit, check whether power is switched, or whether the
fuse is okay.
81
Interrupt, error, and system messages
7.3 Diagnostics by means of LED display
ET 200eco PN
Operating Instructions, 06/2022, A5E01250250-AN
Summary of Contents for SIMATIC ET 200eco PN
Page 233: ...ET 200eco PN Operating Instructions 06 2022 A5E01250250 AN 234 Dimensional drawings C ...
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