What is LRF fault on ATS48.
LRF fault is Locked Rotor in continuous operation Fault .
The locked rotor fault is checked in continuous operation, ATS bypassed Fault threshold: motor current measured > 5*In for 200 ms in one phase This fault is stored in the EEPROM fault log.
=>Increase (if possible) the value of the In parameter (nominal motor current).
=> Check that the rating of the ATS and the motor are sufficient for the application.
The locked rotor fault is checked in continuous operation, ATS bypassed Fault threshold: motor current measured > 5*In for 200 ms in one phase This fault is stored in the EEPROM fault log.
=>Increase (if possible) the value of the In parameter (nominal motor current).
=> Check that the rating of the ATS and the motor are sufficient for the application.
Released for: Schneider Electric India
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