Interpump IPG WS102 [14/76] Troubleshooting guide

Interpump IPG WS102 [14/76] Troubleshooting guide
14
COPYRIGHT The contents of this manual are the property of INTERPUMP GROUP, and the reproduction
and/or divulgation of all or part of the manual is strictly prohibited.
The information given in this document may be modifi ed at any time without notice.
At start-up, the
pump makes
no noise
The pump is not primed and is operating dry, without lubricant
The water supply is off.
The valves are blocked.
The delivery line is closed and does not let the air  ow out of the pump.
The pipes
pulsate in
an irregular
fashion.
There is insufficient air suction and/or supply.
• Bends, elbows,  ttings on the feed line are slowing down the  ow of the liquid.
The feed  lter is dirty or too small.
The booster pump, if installed, is providing an insufficient pressure and/or capacity.
The pump is not primed due to an insufficient head, the delivery pipe closing during
priming and/or a valve sticking
.• Worn pressure valves and/or seals and/or transmission problems.
The pressure regulating valves are not working properly.
The pump
does not give
the rated
capacity
and makes
excessive
noise.
There is an insufficient supply and/or the number of revolutions is less than the
rated value.
• Excessive leaking from the pressure regulating valve and/or the pressure seals.
• Worn valves.
• Cavitation due to undersized feed pipes and/or  lter, insufficient capacity, high water
temperature, clogged  lter.
The pressure
supplied by
the pump is
insufficient.
The appliance (nozzle) is too large or is worn.
• Excessive leaking from the pressure seals.
The pressure regulating valve is not working properly and/or the valves are worn.
The pump
overheats:
The pressure and/or the number of revolutions is higher than the rated value.
The oil in the sump of the pump is not at the required level or is not of the
recommended type.
The belt is too tight, the joint or the transmission is not aligned.
8 - TROUBLESHOOTING GUIDE

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