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Wangen KL Series User Manual

Wangen KL Series
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Instruction Handbook KL
Chapter 8
BA KL V11 en 10/2014 page 8-1
Faults and Remedies 8
In case of a fault, stop the pump immediately!
Switch the plant into a voltage-free condition and secure against any unauthorized and
accidental restart!
After clearing the fault, inspect the pump and plant before putting the pump into operation
again!
Faults on pumps and pump units may be attributed to hydrodynamic, mechanical or electrical
causes. The following table shows a selection of possible faults.
8.1 Checklist for mechanical and hydrodynamic faults
Type of Fault
Possible Cause
Remedy
Pump does not start
Blockage caused by foreign matter
Remove foreign matter
Deposits after shutdown
Immediately clean pump
Medium hardens
(due to temperature or chemical
conditions)
Solids contents is too high
Check conveying conditions,
if necessary, change engineering data.
Stator swollen up
Check temperature of medium,
check resistance of stator elastomeric
relative to the medium.
Stator swollen due to excessive
loading.
Adjust pump operation time and cooling
time to speed.
Plant pressure too high
Compare pump nominal pressure to plant
conditions; if necessary, change
engineering data.
Pumping rate
decreases or is no
longer reached
Shutoff devices partially closed
blockage in the pipe
Fully open shutoff devices,
remove blockage.
Stator and/or rotor worn
Replace
Air locks in medium
Check intake pipe, media supply, and
seals.
Shaft seals are defective
Replace shaft seals.
Warning!
Rotating parts or pressurised spout liquids can cause fatal injuries.
Possible dangerous situation: Severe or fatal injuries!

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Wangen KL Series Specifications

General IconGeneral
BrandWangen
ModelKL Series
CategoryWater Pump
LanguageEnglish

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