Endress+Hauser Soliwave FQR56 Bedienungsanleitung Seite 67

Fault Reason
Yellow LED off No power or power too low
with uncovered (green LED does not light up)
path
Emitter defective
Path of rays covered (e.g. win-
dow dirty)
Wrong installation
Wrong settings
Yellow LED on Receiver defective
with covered
Attenuation of the product too
path
low
Strong Turbulent application,
fluctuation of reflections and so on
signal strength
Endress+Hauser
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Remedy
Check power supply
Replace emitter
Check path of rays and clean if
necessary
Check installation
Check settings
Replace receiver
Adjust sensitivity
Increase signal damping
en - Troubleshooting
67