Leeson FHP Series NEMA 4x Variable Speed Drive User Manual download pdf (Page 58)

49

1. Check TQ LIM

setting (page 34).

2. “Fix” load (i.e.,

straighten

mounting,

coupling, etc.); or

replace motor and

drive with motor

and drive rated for

higher horsepower.

3. Compare motor

voltage to input

voltage. Replace

motor if necessary.

TQ is unsatisfactory at

high speeds.

1. TQ LIMIT set too low.

2. Load may exceed

rating of motor/drive.

3. Nominal input voltage

may be too low for

motor.

Problem Possible

Cause

Suggested

Solution

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