Piusi SQUALO35 Instalación Uso Y Mantenimiento página 35

(translated from italian)
16 NOISE LEVEL
Under normal operating conditions, noise emission of all models does not exceed 70 dB at a distance of 1
metre from the electric pump.
17 PROBLEMS AND SOLUTIONS
For any problems contact the authorised dealer nearest to you.
PROBLEM
THE MOTOR IS NOT TURNING
THE MOTOR TURNS SLOWLY
WHEN STARTING
LOW OR NO FLOW RATE
LEAKAGE FROM
THE PUMP BODY
This manual is the property of PIUSI S.p.A. Any reproduction, even partial, is forbidden.
POSSIBLE CAUSE
Lack of electric power
Impeller blocked
Motor problems
Low voltage in the electric power
line
Low level in the suction tank
Filter clogged
High loss of head in the delivery
circuit
Low rotation speed
The suction filter or the pipes are
blocked.
The impellers are worn or
blocked.
The non-return valve is locked in
the closed position.
Seal damaged
SUBMERSIBLE PUMP
CORRECTIVE ACTION
Check the electrical connections
and the safety systems.
Check for possible damage or
obstruction of the Impeller
Contact the Service Department
Bring the voltage back within the
anticipated limits
Refill the tank
Clean the filter
Use shorter piping or of greater
diameter
Check the voltage at the pump.
Adjust the voltage and/or use
cables of greater cross-section
Remove the obstructions, as indicat-
ed in the chapter on Warnings
Change the impellers or remove the
obstruction.
Check good operation of the valve
and replace it if necessary.
Check and replace the seal
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