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What are the reasons of showing nrdy on Altistart 22 Soft Starter.

nrdy is not a fault. It is the status.
Following are the reasons:
(1) A stop command is present, with line and control power on:
LI1 = 0 and LI2 = 1 in 2-wire control
LI1 = 1 and LI2 = 1 at power up in 3-wire control
(2) Main power is switched off
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