Maintenance; Accessories; Troubleshooting; Troubleshooting Instructions - Endress+Hauser RIA452 Mode D'emploi

Maintenance

7 Maintenance
No special maintenance work is required on the device.
8

Accessories

Name
ReadWin® 2000 PC configuration software and serial cable with jack connector
3.5 mm for RS232 port.
®
ReadWin 2000 PC configuration software and serial cable for USB port with CDI
connecter.
IP65 Field housing.
9

Troubleshooting

The following section provides you with an overview of possible causes of errors to provide you
with an initial troubleshooting aid.
9.1

Troubleshooting instructions

#
Warning!
In the case of Ex devices, fault diagnosis cannot be carried out on the open device as this annuls
the explosion protection.
Display
No measured value display
The red marking for
overrange/underrange is flashing on the
bar graph.
!
Note!
Errors for which an error code is shown on the display are described in Section 9.2.
Further information on the display is also provided in Section 5.2.1.
9.2

Process error messages

!
Note!
Faults have the highest priority. The associated error code is displayed. A fault is present if the
memory module for writing and reading data is defective or if data could not be read correctly.
138
Cause
No power supply connected
Power supply applied, device defective
Analog output is > 10% above or below
the scaled range.
Order No.
RIA452A-VK
TXU10A-xx
51009957
Remedy
Check the power supply of the device.
The device must be replaced.
Check the scaling of the analog output
(Out 100% or Out 0%).
RIA452
Endress+Hauser