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What is nrdY status on an ATS22 soft starter?

Published date: 06 May 2019

Issue:  
What is nrdY status on an ATS22 soft starter?

Product Line:
Altistart ATS22

Environment:
All

Cause:
nrdY status

Resolution:
There are 2 possibilities.
A stop command is present, with line and control power ON. This means:
LI1 = 0 and LI2 = 1 when in 2 wire control
LI1 = 1 and LI2 = 1 at power up when in 3 wire control

Or
The main line power is not applied to L1, L2, L3.
 


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