Troubleshooting And Diagnosis; Led Status And Error Indication - Pepperl+Fuchs FieldConnex F2D0-MIO-Ex12.FF Series Manual

Multi-Input/Output Device

Troubleshooting and Diagnosis

5 Troubleshooting and Diagnosis
The following information helps you to identify problems with the multi-input/output device and
interpret diagnostic issues.
5.1

LED Status and Error Indication

The device is providing LED indication for each channel, the communication status and the
fieldbus voltage.
ERR
CH 1
1 LED CH ERR 1 ... 12 for indicating channel errors
2 LED COM ERR for indicating communication errors
3 LED PWR for indicating operation
LED
CH ERR
COM ERR
PWR
1
5
2 3 4 6 7 8 9
Indication Color Information
Flashing Red Status of the
corresponding
channel
OFF --
ON Red Communication
status.
Flashing Red
OFF --
ON Green Status of the
fieldbus power.
OFF --
2 3
10 11 12 COM/ PWR
ERR
Reason
Lead breakage or
short circuit of valve or
sensor connection. 
Only available if wire
check is activated and
mode of operation is
not "out of service".
Channel works as
expected.
Hardware error.
No communication
activity.
Cyclic communication
with master, class I.
Fieldbus voltage at the
trunk.
No fieldbus voltage at
the trunk.
®
Remedy
Check the cable wires.
--
Hardware error in the
device. Check the
device and replace if
required.
Device is not
configured for cyclic
communication.
Check the PROFIBUS
master.
--
--
Check the fieldbus
power supply.
Check the trunk cable.
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