Maintenance And Trouble Shooting - Pentair PRIOX 250/8 Manual De Instrucciones

CHAPTER 5

MAINTENANCE AND TROUBLE SHOOTING

DANGER - ELECTRIC SHOCK RISK
Before doing any operation, make sure pump is disconnected from electric current
network.
DANGER - ELECTRIC SHOCK RISK
The power cable must be replaced by qualified personnel only.
No maintenance is required when PRIOX range pumps operate in normal conditions. Occasionally
maintenance of liquid ends and replacement of impeller may be required.
FAULT
PUMP DOES NOT
DELIVER, MOTOR DOES
NOT RUN
PUMP DOES NOT
DELIVER, MOTOR RUNS
PUMP DELIVERS
REDUCED WATER
INTERMITTENT
WORKING (SINGLE
PHASE VERSION)
POSSIBILE CAUSE
1) No electric current supplying.
2) Incorrect plugging in.
3) Circuit-breaker come into
operation.
4) Impeller blocked.
5) Motor or capacitor damaged.
1) Filter obstructed.
2) Non return valve blocke.
3) The air vent hole on the pump body
may be clogged.
1) Filter partially obstructed.
2) Delivery pipe partially obstructed. Remove obstacles.
3) Impeller worn off.
4) Anticlockwise rotation (three
phase version).
1) Solids obstruct impeller.
2) Too warm liquid.
3) Motor broken.
REMEDY
-
Verify presence of electric current
supply and plug in.
Reinforce circuit-breaker.
Please call electrician in case circuit-
breaker comes again into operation.
Remove obstacle.
Call dealer.
Clean filter.
Clean or replace valve.
Loose the nut that secures the
stainless steel flap of the air vent
hole to the pump body; see drawing
no.3 reference A. Remove the
stainless steel flap. Clear the hole of
any old dirt. Fit the protective flap
back in.
Screw back in and tighten the nut.
Clean filter.
Replace impeller.
Inverse two phases.
Remove obstacles.
-
Call dealer.
EN
13