Testing
Leuze electronic SOLID-4 51
TNT 35/7-24V
DEUTSCHENGLISHFRANÇAISITALIANOESPAÑOLNEDERLANDS
9.4 Cleaning the front screens
The front screens on the transmitters and receivers must be cleaned regularly depending
on how dirty they are. A flashing 7-segment display with the protective field free (LED1 is
green) indicates a "weak signal reception"; cleaning the front screen is then required. If
cleaning the screens does not improve this, the range and alignment must be checked. We
recommend using a mild cleanser for cleaning the Plexiglas front screens. The screens are
resistant to diluted acids or alkalis and resistant to organic solvents within limits.
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