ROTHENBERGER RP PRO III - Manual (Page 11)

11 ENGLISH
Once the piping test has been carried out, open
fully the valve V2 towards OPEN and turn the
valve V1 towards - bar. 9.
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.
Fault, possible causes, repairs
Though switched on, the motor does not start running
Current does not reach the motor
terminal box
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.
Current reaches the motor terminal box,
however with too low voltage Arrange for motor to be fed with correct 230V, 50/60 Hz (110 V.)
electric current
Pump jammed up or stuck by ice.
Motor rotor stuck
Apply to an appointed Service Center
La bomba funciona pero no sube presión
Pump is fed with too small quantity of
water
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
Considerable quantity of air mixed with
inlet water Put a vented storage tank in the water feeding line between cock
and water inlet with the pump
Water filter clogged Clean the filter
Pump water seals worn out or pump
valves jammed Use the R6.1186 air tightness kit. Apply to an appointed Service
Center
Valve V1 at the minimum point of
pressure
Turn the valve V1 till reaching the wanted pressure
Irregular pressure output combined to considerable noise
Air mixed with feeding water Check tightness at both ends of feeding water hose
Pump is fed with too small quantity of
water
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
Pump gets the tested piping pressurised but cannot keep wanted pressure
Valve V2 does not perform properly
Check the functioning of the valve V2. Clean it and remove dirt
that water may have carried inside