POMPE ROTOMEC RS Serie Notice D'instructions page 20

THE PUMP DOEN'ST WORK
Is the pump overloaded?
No
Disconnected power supply and
check if the impeller has rotating
difficulties.
No
Too low regulation of the current
limiter.
No
Is the motor protection damaged?
No
Are all phases of the installation
under voltage?
Yes
Apply an authorized center shop.
THE PUMP WORKS, BUT WITH REDUCED CAPACITY.
Is the impeller rotating in the right
direction? (See "functioning")
Yes
Are pump body or impeller
obstructed?
No
Are impeller and diffuser weared?
No
Are valves or pipes obstructed?
No
Is the delivery head excwssive?
(See product descriptions).
No
Apply an authorized center shop.
Yes
Check that density of pumped liquid is not
excessive (dilute or change the pump).
Yes
Clean pump body and impeller.
Yes
Adjust
Yes
Replace
Yes
Check motor fuses.
(See electric connection).
No Invert two phases. (See Electric connnection).
Yes Clean pump body and impller.
Yes Replace weared parts.
Yes
Proceed on cleaning.
Yes Replace the impeller or, if not possible, replace
the pump.
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