Issue:
Contacts 95-96 and 97-98 do not appear to be operating properly.
Product Line:
Tesys T LTMR motor controllers.
Environment:
All models, All serial numbers.
Cause:
Unexpected operation
Resolution:
Contacts 95-96 are labeled as Normally Closed but are open when de-energized. Contacts 97-98 are labeled as Normally Open but are closed when de-energized. When power is applied to the LTMR, the unit will perform a self test which usually completes in 7 to 10 seconds, but may take as much as 30. After the Power On Self Test has completed, if no faults are found, the relay will be energized internally and contact 97-98 will open, 95-96 will close. This is normal operation.
Contacts 95-96 and 97-98 do not appear to be operating properly.
Product Line:
Tesys T LTMR motor controllers.
Environment:
All models, All serial numbers.
Cause:
Unexpected operation
Resolution:
Contacts 95-96 are labeled as Normally Closed but are open when de-energized. Contacts 97-98 are labeled as Normally Open but are closed when de-energized. When power is applied to the LTMR, the unit will perform a self test which usually completes in 7 to 10 seconds, but may take as much as 30. After the Power On Self Test has completed, if no faults are found, the relay will be energized internally and contact 97-98 will open, 95-96 will close. This is normal operation.
Publié pour: Schneider Electric Belgium
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