Flowserve U-MAG INNOMAG - Manual (Page 36)

U-MAG ENGLISH 26999990 10-14
Page 36 of 40
FAULT SYMPTOM
P u m p o v e r h e a t s a n d s e i z e s
 P u m p v i b r a t e s o r i s n o i s y
 P u m p r e q u i r e s e x c e s s i v e p o w e r
 P u m p l o s e s p r i m e a ft e r s t a r t i n g
 I n s u f f i c i e n t p r e s s u r e d e v e l o p e d
 I n s u f f i c i e n t c a p a c i t y d e l i v e r e d
 P u m p d o e s n o t d e l i v e r l i q u i d

POSSIBLE CAUSES POSSIBLE REMEDIES
C. Motor electrical problems
    Wrong direction of rotation. Reverse 2 phases at motor terminal box.
  Motor running on 2 phases only. Check supply and fuses.
  Motor running too slow. Check motor terminal box connections and voltage.