23 January 2021
ATS22 shows nrdY on display.
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
The main line power is not applied to L1, L2, L3.