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RegisterFA175466
23 January 2021
Issue:
ATS22 shows nrdY on display.
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.