Maintenance; Accessories; Troubleshooting; Troubleshooting Instructions - Endress+Hauser RIA452 Betriebsanleitung

Maintenance

#
!
98
7 Maintenance
No special maintenance work is required on the device.
8

Accessories

Name
®
ReadWin 2000 PC configuration software and serial cable with jack connec-
tor 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/under-
range 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.
Cause
No power supply connected
Power supply applied, device defective The device must be replaced.
Analog output is > 10% above or
below the scaled range.
RIA452
Order No.
RIA452A-VK
TXU10A-xx
51009957
Remedy
Check the power supply of the device.
Check the scaling of the analog output
(Out 100% or Out 0%).
Endress+Hauser