Diaphragm pump N820.18 CN / N840.18 CN
Troubleshooting
Translation of Original Operating Instruction, KNF 317428-338560 06/22
41
Pump is switched on and not running; status display illuminates red (100%
ON)
Cause
Fault remedy
Drive of the pump has
blocked.
à
Pull power cable of the pump out of the socket.
à
Allow the pump to cool.
à
Determine the cause of the blockage and rectify.
Tab.20: Troubleshooting: Pump is switched on but not running; sta-
tus display lights up red
Pump is switched on and not running; status display flashes red (90% ON,
10% OFF)
Cause
Fault remedy
Other fault
à
Pull power cable of the pump out of the socket.
à
Allow the pump to cool.
à
Contact KNF Customer Service.
Tab.21: Troubleshooting: Pump is switched on but not running; sta-
tus display is flashing red
EN
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US
EN
