Leeson FHP Series Chassis Mount Variable Speed Drives Manual de usuario descargar pdf (Pagina 70)

60 Troubleshooting

3. Disable, then re-

enable the drive.

4. Ensure that

ENABLE (EN) and

COM terminals are

properly connected.

5. Verify that motor is

not jammed.

Increase TQLIM

setting if it is set

too low (page 47).

6. Apply AC line

voltage to L1 and

L2.

7. Connect motor to

drive outputs U, V

and W.

1. Calibrate MAX SPD

trimpot (page 46).

External line fuse does

not blow, but the motor

does not run (cont.)

Motor runs too slow or

too fast at set

speed

3. Drive is “tripped” off

or has gone into

thermal overload.

4. Drive has been

disabled.

5. Drive is in current

limit.

6. Drive is not receiving

AC voltage input.

7. Motor is not

connected.

1. MAX SPD trimpot is

not calibrated

correctly.

Problem Possible

Cause

Suggested

Solution

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