What will cause an LRF fault on the ATS48 soft starters?
Issue:
ATS48 is showing LRF fault code.
Product Line:
Altistart ATS48 soft starters
Environment:
All
Cause:
Locked motor rotor.
Resolution:
Locked rotor in steady state
This fault is only active in steady state with soft starter bypass contactor. It is detected if the current in a phase is greater than or equal to 5IN (five times the FLA) for more than 0.2 s.
Check the mechanism for wear, mechanical play, lubrication, blockages,
ATS48 is showing LRF fault code.
Product Line:
Altistart ATS48 soft starters
Environment:
All
Cause:
Locked motor rotor.
Resolution:
Locked rotor in steady state
This fault is only active in steady state with soft starter bypass contactor. It is detected if the current in a phase is greater than or equal to 5IN (five times the FLA) for more than 0.2 s.
Check the mechanism for wear, mechanical play, lubrication, blockages,
Released for: Schneider Electric Thailand
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