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Maintenance
20NL31-00 E1
2019-02-13
Page 38
5
Maintenance
5.1
Cleaning
Clean the NL31 once a year. Remove light dirt with a dry cloth. Remove persistent dirt
only with a mild detergent and a soft cloth.
»
Remove dirt and dust from the cooling fins.
5.2
Updating the Switch Firmware
You can update the switch firmware
14ETSW-02
.
Take care that no liquid gets inside the NL31 and the labels are not
damaged.
See the switch firmware user manual:
www.men.de/products/nl31/#doc