ENGLISH
11.3 Other defaults
DEFAULTS
THE PUMP IS RUN-
a) The pump does not run quickly
NING BUT NO
enough:
DELIVERY
b) The internal parts are obstructed by
particles:
c) Suction pipe is obstructed:
d) Air in suction pipe:
e) Suction pressure is too low, it causes
generally cavitation noise:
THE PUMP IS
a) Pump is loosed on its foundation:
VIBRATING
b) Particles obstructing the pump:
c) Difficult rotation of the pump:
NO SUFFICIENT
a) The motor speed is not high enough:
PRESSURE FOR THE
b) The motor is defective:
PUMP
c) Bad filling of the pump:
d) The drain-priming plug is not fully tigh-
tened:
THE FLOW IS
a) The suction head (Ha) is not observed:
IRREGULAR
b) The suction pipe has a lower diameter
than the one of the pump:
c) The strainer and the suction pipe are
partially obstructed:
d) In « Constant pressure » mode, the
pressure sensor is not adequate:
IN « CONSTANT
a) The non-return valve is not tight:
PRESSURE » MODE,
b) The non-return valve is not adequate:
THE PUMP DOES
c) The tank has low capacity due to the
NOT STOP IF THE
installation:
FLOW IS ZERO
WARNING!
12. SPARE PARTS
CAUTION!
Subject to technical alterations!
POSSIBLE CAUSES
REMEDIES