Flowserve TB-MAG INNOMAG User Manual
Page 39

INNOMAG® TB-
MAG™ ASME and ISO SEALLESS ENGLISH 26999988 06-14
Page 39 of 44
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.