Leeson FHP Series NEMA 4x Variable Speed Drive Manuale Utente Scaricare il pdf (Pagina 55)

1. Check that line

fuses are properly

sized for the motor

being used.

2. Check motor cable

and motor for

shorts.

3. Add a blower to

cool the drive

components;

increase TQ LIMIT

settings (page 34).

1. Increase the speed

adjust

potentiometer

setting or voltage

input signal.

2. Check connections

to input. Verify that

connections are not

open.

Internal line fuse blows

Internal line fuse does

not blow, but the motor

does not run

1. Line fuses are the

wrong size.

2. Motor or motor cable

is shorted to ground.

3. Nuisance tripping

caused by a

combination of

ambient conditions

and high-current

spikes (i.e. reversing).

1. Speed adjust

potentiometer or

voltage input signal is

set to zero speed.

2. Speed adjust

potentiometer or

voltage input signal is

not properly

connected to drive

input; connections are

open.

Problem Possible

Cause

Suggested

Solution

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Leeson FHP Series NEMA 4x Variable Speed Drive Manuale Utente Pagina 55

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