TECO T-Verter E2-203-H1F - Motor Over-Heat

53
(2). Motor over-heat
Is there
anything that might
affect motor
cooling?
Reduce loading
Enlarge E2 and
Motor capacity
Is the
voltage level between
T1-T2, T2-T3, and T3-T1
normal?
YES
Operate at low
speed for a long time?
Select another motor
Remove obstacle
affecting motor cooling
Correct the connection
NO
YES
YES
E2 malfunction
Poor connection
between E2 and motor
Is
there over-loading
condition or the load current
exceeds rated
current?
NO
YES
YES
NO
NO