EN
11
8. POSSIBLE FAULTS, CAUSES AND SOLUTIONS
1)
Pump does not prime.
2) Pump supplies scant flow.
3)
Pump noisy.
4)
Pump does not start.
5) Motor makes sound but does no start.
1
2
3
4
5
POSSIBLE PROBLEM
SOLUTIONS
X X
Air entry trough suction line
Verify condition of connectors and gaskets of suction line
X
Inadequate airtightness of filter cover Clean the filter cover and verify con- diction of rubber
gasket
X X
Motor turning direction reversed
Reverse 2 phases of the supply
X
Defective mechanical seal
Change mechanical seal
X X
Excessive suction height
Excessive suction height
X X X
Incorrect voltage
Verify the voltage specified on the nameplate and that of
the mains
X
No water in prefilter
Fill prefilter with water
X
Suctioning out of water
Set suction in correct position
X
Filter clogged
Clean filter
X X
Diameter of suction line smaller than
required
Correctly dimension suction line
X
Discharge clogged
Inspect filter and discharge line
X
Incorrect pump attachment
Attach pump correctly
X
Foreign body in pump
Clean pump and inspect its filter
X
Thermal relay tripped
Reset thermal relay
X
Lack of power
Reset the fuses
X
Motor blocked
Remove the motor and call the Technical Service
9. TECHNICAL DATA
Liquid temperature: ...................... 39ºF - 104ºF
Ambient temperature: .................. 32ºF - 104ºF
Storage temperature: ................... 14ºF - 122ºF
Ambient relative humidity, max.: ............... 95%
Motor class
I
.
Other data see Figure 2.