Gianneschi ECOINOX C.E. - Troubleshooting and Safety; Troubleshooting; Safety Precautions

TROUBLESHOOTING
Operating Faults
Main Causes
Pump does not start
Check wiring connections.
Check inlet piping.
Check the impeller
Pump does not stop
Water flow above minimum flow.
No water flow
Suction or inlet problems.
Check the water tank level
Low or no pressure at highest point of
system
Check the impeller and the diffuser
Change the pump model
Excessive pressure system
Pump oversized for system.
Too high voltage
Install pressure reducing valve.
Insufficient pressure
High fluid viscosity
Impeller or diffuser damaged
Pressure required from the system is more than that-
one the pump can supply
Pump runs few seconds (10/15) after
the water stops
OK - Pump is re-pressuring system.
SAFETY
-Before installation, ensure that mains supply is grounded in accordance with local legislation and
corresponds to motor plate detail.
-Before carrying out any maintenance, ensure safety by switching off main voltage and removing
pump plug from socket.
-The machines are electrically supplied: avoid the contact between the liquid pumped and electrical
part of the machine.
-The motor may become hot when running: pay attention.
-The pump is a self-priming type, it must only handle with clean liquids, it is not suitable for pumping
flammable fluids or for use in explosion hazard areas.
-The pump must only be repaired by competent or qualified personnel, using manufacturer’s
spares. If this procedure is not followed, manufacturer decline any responsibility and guarantee
insurance is invalid.