3200 Series Granulators 63”and 84”
357563
•
08/22/2019
39
6-2 Electrical Faults
Problem
Possible Cause
Possible Remedy
Motor Fails to Start
Supply failure
Check fuses
Starter inoperative
Check main supply
Starter overloads or cuts
out
Check motor requirements
and adjust accordingly
Safety switches inoperative
Check and adjust as needed
Motor starts but will not
take load
Too much belt tension
Check belt tension and
adjust as necessary
Incorrectly connected
motor
Check terminal connection
with
manufacturer’s
connection diagram and
adjust as necessary
Defective starter winding
Check current in each phase
with ammeter, if there is a
marked difference in
current in one phase,
contact motor
manufacturer
Motor will start when
disconnected from load but
not when connected
Worn bearings
Check and replace if
necessary according to
manufacturer’s literature