9.
Once the piping test has been carried out, open
fully the valve V2 towards OPEN and turn the
valve V1 towards - bar.
Fault, possible causes, repairs
Though switched on, the motor does not start running
Current does not reach the motor
terminal box
Current reaches the motor terminal box,
however with too low voltage
Pump jammed up or stuck by ice.
Motor rotor stuck
La bomba funciona pero no sube presión
Pump is fed with too small quantity of
water
Considerable quantity of air mixed with
inlet water
Water filter clogged
Pump water seals worn out or pump
valves jammed
Valve V1 at the minimum point of
pressure
Irregular pressure output combined to considerable noise
Air mixed with feeding water
Pump is fed with too small quantity of
water
Pump gets the tested piping pressurised but cannot keep wanted pressure
Valve V2 does not perform properly
11
WARNING:
Use clean fresh water only and/or non-aggressive
liquids.
Once wanted pressure is reached, avoid the power
pump running for more than 1,5 minutes.
Check plug/socket contact. Check cord wires integrity up to
terminal box. Reset the electrical feeding cut by motor thermal
protection and/or replace blown fuses.
Arrange for motor to be fed with correct 230V, 50/60 Hz (110 V.)
electric current
Apply to an appointed Service Center
Check the feeding water hose: its inner diameter must be min. 15
mm.. Moreover the feeding water has to flow from cock with min.
pressure of 1 bar
Put a vented storage tank in the water feeding line between cock
and water inlet with the pump
Clean the filter
Use the R6.1186 air tightness kit. Apply to an appointed Service
Center
Turn the valve V1 till reaching the wanted pressure
Check tightness at both ends of feeding water hose
Check the feeding water hose: its inner diameter must be min. 15
mm. Moreover the feeding water has to flow from cock with min.
pressure of 1 bar
Check the functioning of the valve V2. Clean it and remove dirt
that water may have carried inside
ENGLISH