Chemically-resistant Laboratory pump N820.18 EX
Translation of Original Operating Instruction, English, KNF
317428-317425 09/20
Status display (see Fig. 3/6)
à
Illuminates green if the pump was switched on via the
power switch.
à
Illuminates blue if the pump was also switched on via the
rotary/push knob.
Pump is running:
The higher the speed is set, the brighter the status display
lights up.
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.
Error type
Drive blocked
Temperature too high (drive)
Other fault
Operation
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