One thing I don't understand about the error pin.

[tantemay]

I have the error pin Enabled. It is inverted. And "on E-Stop" is Enabled.
The ALM output of the motor driver is a NO (Normally Open)

If the driver goes into alarm, it works as it should. The E-Stop is triggered. The motors stop and the ES LED in the GUI lights up.

But the ER LED does not light up. Regardless of whether the engine is in alarm or not.

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[basilevscom]

Hello!
What is ER led?
How is everything connected? without a diagram, it's hard for me to understand

[PlanetCNC]

ER led shows state of error pin.
Do you have drivers connected to error pin?