Operation
36
Chemically-resistant Laboratory pump N820.18 EX / N840.18
à
Illuminates red if there is a fault:
Signal duration
100% ON (continuous light)
50% ON; 50% OFF
90% ON, 10% OFF
Tab.18: Fault signal via status display
For further information, see Chapter 12 Troubleshooting
[} 47].
Translation of Original Operating Instruction, KNF 317428-317425 05/21
Fault type
Drive blocked
Temperature too high (drive)
Other fault
EX