monzana 108362 Anleitung Seite 18

Noise pump
operation
18
Motor overload
cuts out
Leaking
Poor ventilation
Bad bearing
Air leak in suction
Suction blockage
Disturbance in impeller
Cavitations
Motor not connected
properly
Low incoming voltage
Over load due to binding
in pump or wrong size
impeller
Leak between pump
housing and pump cover
Leak between pump and
motor
www.DeubaXXL.de
Do not tightly cover or enclose
motor
Have electrician replace
See 1
Locate and clean blockage
Contact supplier
Improve suction, reduce suction
lift, reduce number of fittings,
increase pipe size, increase
discharge pressure and reduce
flow by
throttling discharge valve.
Have electrician check wiring.
Voltage at motors should be no
more than 6% above or below
nameplate voltage. Have
electrician check voltage, ensure
pump is
not running on an extension cord,
Report low supply to authorities.
Contact supplier
Change a new O-ring between
pump housing and pump cover
Change a new pair of mechanical
seal