Piusi CUBE 70 MC, Руководство пользователя

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M0104 E
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Installation, use and maintenance
17 TROUBLESHOOTING
PROBLEM POSSIBLE CAUSES POSSIBLE SOLUTIONS
MOTOR NOT TURN-
ING
No electric power Turn the pump ON/OFF switch to
the ON position. Recock the external
residual current circuit breaker. Check
the electrical connections.
Fuses burned out Replace the fuses in the electric panel
Problems with the motor If the rotor is jammed, dismount and
check for damage and obstructions
then remount. Contact the service
Department
MOTOR WIN’T
START WITH NOZZLE
CLOSED
Electric Voltage too low Check the voltage is not more than 5%
below the nominal voltage.
LOW OR NO FLOW
Excessive suction pressure Lower the Self Service with rispect to
the tank or increase the diameter of the
tubing.
High loss of head Use shorting tubing or odf greater
diameter
Suction tube resting on the bottom
of the tank
Raise the suction tube
Low level in the suction tank Fill the tank
Air entering the suction tube or in
the pump
Check the seals connection in the
tubing and the leevl of diesel fuel in
the tank
Low rotation speed Check the voltage at the motor Regu-
late the voltage of the motor and/or use
the larger diameter cables.
Check valve blocked Clean or replace
Tank filter clogged Clean the filter
Pump filter clogged Clean the filter
Fluid Leaking Check the connection seals and the
condition of the rubber tubes
Meter chamber obstructed Clean the Meter chamber
METER NOT ACCU-
RATE ENOUGH
Air in the suction line Clean the meter measuring chamber
Insufficient calibration Calibrate the meter
THE NOZZLE SHUT
OFF TOO OFTEN
Probe hole automatic stop is
obstructed
Clean probe hole of automatic stop
spout