Endress+Hauser Soliwave FDR56 - 9 Diagnostics and Troubleshooting; General Troubleshooting; Overview of Diagnostic Information; Resetting the Device

Soliwave FQR56/FDR56
Diagnostics and troubleshooting
44
Endress+Hauser
9 Diagnostics and troubleshooting
9�1 General troubleshooting
Make sure beforehand that the following checks have been carried out:
•"Post-mountingcheck"checklist(→21)
•"Post-connectioncheck"checklist(→29)
Ifthedetectionrangeisunder300mm,theFQR56andFDR56shouldbeinstalledatan
angleof90°relativetooneanother,toavoidpossibleoverrangingsandthereforefaulty
measurements(→4).
9�2 Overview of diagnostic information
Fault Reason Remedy
YellowLEDowithuncovered
path
No power or power too low
(green LED does not light up)
Check power supply
Transmitter FQR56 defective Replace transmitter
Path of rays covered
(e.g. window dirty)
Check path of rays and clean if
necessary
Wrong installation Check installation
→29
Wrong settings Check settings
→34
Yellow LED on with covered path Transceiver FDR56 defective Replace transceiver
Attenuation of the product too
low
Adjust sensitivity
→34
Wrong settings Check settings
→34
Stronguctuationofsignal
strength
Turbulentapplication,reections
and so on
Increase signal damping
→41
9�3 Resetting the device
ToresettheFDR56transceiver,proceedasfollows:
•Brieflydisconnecttheterminalorconnector;allsettingsareretained
→19
• Activate the reset function F;allsettingswillbereplacedbyfactorydefaults
→42