TECO N3 Series - Fig. 22.4 Motor will Not Run

N3 Drive Operations Manual
Troubleshooting Flow Chart; Motor Will Not Run 95
is MCCB
On ?
is MCCB
tripped ?
Wiring short circuit
No
Yes
Are voltages
Between power terminals
correct ?
Is the charge indicator
LED on ?
Input voltage or wiring is
incorrect
No
N3 fault
No
Is the the run command
on ?
No
Turn on the run command
Is there output voltage
to the U,V, and W
terminals ?
N3 fault
No
Are the output
voltages between
U,V, and W terminals
the same?
No
N3 fault
Motor faulty or wiring
is bad
Motor will not run
Yes
Yes
Yes
Yes
Yes (Note 2)
NOTES:
1 - The voltage between input terminals should be within 10%
of the nominal value.
2 - The voltage deviation should be within ± 3% of the value
without the motor.
Yes (Note 1)
Fig. 22.4 Motor Will Not Run