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Diaphragm Pump NMS 030 

 

Troubleshooting 

KNF Micro BA306116-306115 NMS030-EN 0221 

Operating and Installation Instructions 

13 

8.  Troubleshooting 

 

Pump does not work 

Cause 

Fault remedy 

Pump not connected to power 
supply 

  Connect pump to power

 

supply 

Power supply is not switched on 

  Switch on power supply 

Thermal switch or pump elec-
tronics have responded 

  Disconnect pump from mains power supply. 

  Allow pump to cool. 

  Identify and eliminate cause of overheating/overload 

Connections or pipes are 
blocked. 

  Check pipes and connections. 

   Remove blockage. 

External valve is closed or filter 
is blocked 

  Check external valves and filters. 

Diaphragm or valves are worn 
out. 

  Contact customer service  

Tab. 10 

 

Flow rate, pressure or vacuum to low 

The pump does not achieve the output specified in the Technical data or the data sheet 

Cause. 

Fault remedy 

Components in the system 
connected to the suction and 
pressure sides, such as hoses, 
valves or filters, are causing too 
much resistance 

  Modify installation, check the cross-sections of components 

Hose connections are not leak 
tight 

  Secure transition joints between hose and hose connections 

with clamps or clamping elements  

Particles in the pump 

  Clean the pump head, install suction-side filter if required 

Incorrect interchange of pres-
sure and suction line connec-
tions

 

  Remove pressure and suction lines and reconnect correctly 

The pump parts are not re-
sistant to the medium to be 
transferred 

  Replace the pump head with a compatible version 

Diaphragm or valves are worn 
out. 

  Contact customer service 

Tab. 11 

 

Fault cannot be rectified 

If you are unable to identify any of the above causes, please send 
the pump to KNF customer service (see address on last page). 

  Isolate the pump from the power supply and remove the pump 

from the system. 

  Clean the pump (see Chapter 7.2.1) 

  Send the pump, with completed decontamination declaration 

(see Chapter 9), to KNF customer service stating the nature of 
the transferred medium. 

Содержание NMS 030 KPDC

Страница 1: ...observe at all times the relevant instructions to avoid dangerous situations The manual was produced for the serial pumps stated above With customer specified projects pump types starting with PJM or...

Страница 2: ...ential danger It also indicates the possible consequences of fail ure to observe the warning The signal word e g Warning indicates the level of danger Here you will see actions for avoiding the dan ge...

Страница 3: ...he pump head pump housing diaphragm and valves with the me dium The temperature of the medium must lie within the permissible temperature range see Chapter 4 The transferred gas should not contain par...

Страница 4: ...Always ensure adherence to all information stickers on the pumps such as flow direction arrows and type plates and keep stickers in legible condition All replacement parts should be properly stored an...

Страница 5: ...y requirements regarding electro magnetic compatibility in Directive 2014 30 EU if the pump is pow ered by an industrially produced power supply which is used within the specified limits Supply voltag...

Страница 6: ...at atm Pressure l min 2 3 11 Max operating permissible pressure bar g 0 2 Max vacuum mbar abs 200 Tab 5 The pump type NMS030K_DCB brushless stands for Motor voltage 12V 24V 12V 4 24V 4 Supply voltage...

Страница 7: ...put Vctrl Control voltage range DC 0 7 VDC Speed range 300 2800 1 min Resistant to surge voltages up to 28 VDC Input resistance Vctrl 5 3VDC 62 k Threshold voltage 0 11 VDC Speed voltage constants 460...

Страница 8: ...Risk of physical injury and damage to the pump due to automatic start If the pump overheats and the thermal switch electronics stops pump operation the pumps will restart automatically as soon as the...

Страница 9: ...designed to handle the pneumatic data of the pump see Chapter 4 Tech nical data Only use hoses that are suitable for the maximum operating pressure of the pump see Chapter 4 Only use hoses that are c...

Страница 10: ...angers thereof can be prevented by placing a bypass line with a pressure relief valve between the pressure and suction side of the pump Please contact your local KNF partner for further information ww...

Страница 11: ...hort cycles in your application please contact a KNF pump specialist for further information Telephone number see first page Turning the pump on In order to guarantee that the pump can start every tim...

Страница 12: ...ng interval Pump Regular inspection for external damage or leaks Tab 9 7 2 Cleaning 7 2 1 Cleaning the pump The pump if necessary clean outside with a dry wipe Do not use cleaning solvents as these ma...

Страница 13: ...the suction and pressure sides such as hoses valves or filters are causing too much resistance Modify installation check the cross sections of components Hose connections are not leak tight Secure tra...

Страница 14: ...ump see the Chapter Cleaning the pump 4 Send the pump together with completed Health and Safety Clear ance and Decontamination Form to KNF stating the nature of the transferred medium 5 Package the de...

Страница 15: ...Diaphragm Pump NMS 030 Returns KNF Micro BA306116 306115 NMS030 EN 0221 Operating and Installation Instructions 15 KNF worldwide Find our local KNF partner on www knf com...

Страница 16: ...Diaphragm Pump NMS 030 Revisionsbeschreibung KNF Micro BA306116 306115 NMS030 EN 0221 Original Betriebs und Montageanleitung...

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