Leeson SM4 Series Flux Vector Manuel d'utilisateur télécharger pdf (Page 67)

Troubleshooting and Diagnostics

Fault Cause

Remedy

(1)

f.OF1

Output fault: Ground

fault

Grounded motor phase Check motor and motor cable

Excessive capacitive charging

current of the motor cable

Use shorter motor cables with

lower charging current

f.PF

Motor Overload fault Excessive motor load for too long • Verify proper setting of P108

• Verify drive and motor are

proper size for application

f.rF

Flying Restart fault Controller was unable to

synchronize with the motor during

restart attempt; (P110 = 5 or 6)

Check motor / load

f.SF

Single-Phase fault A mains phase has been lost Check mains voltage

f.UF

Start fault Start command was present when

power was applied (P110 = 0 or 2).

• Must wait at least 2 seconds

after power-up to apply Start

command

• Consider alternate starting

method (see P110).

(1) The drive can only be restarted if the error message has been reset.

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Leeson SM4 Series Flux Vector Manuel d'utilisateur Page 67