Diodes; Transmitter - Endress+Hauser Proline Prosonic Flow W 400 Operating Instructions Manual

Diagnosis and troubleshooting
130
12.2 Diagnostic information via light emitting diodes
12.2.1

Transmitter

Different LEDs in the transmitter provide information on the device status.
1.
1
2
3
1 Supply voltage
2 Device status
3 Not used
4 Communication
5 Service interface (CDI) active
1. Open the housing cover.
2. Remove the display module.
3. Fold open the terminal cover.
LED
Supply voltage Off
Green
Device status Green
Flashing red
Red
Alternately flashing red/green Boot loader is active
Link/Activity Orange
Flashing orange
Communication Flashing white
Alarm Green
Flashing green
Off
Red
E S
C
-
+
-
2.
4
Color
Supply voltage is off or too low
Supply voltage is ok
Device status is ok
A device error of diagnostic behavior "Warning" has occurred
A device error of diagnostic behavior "Alarm" has occurred
Link available but no activity
Activity present
HART communication is active.
Measuring device is ok
Measuring device not configured
Firmware error
Main error
Proline Prosonic Flow W 400 HART
3.
Meaning
Endress+Hauser
5
A0029689