FANUC 10T RED LED LIGHT ON THE PANEL ( ER1 )

[tano]

Hi guys
I have Mori seiki AL2 lathe with Fanuc 10T control and my issue is when i start the machine in the morning in first one hour 2-3 times alarm LED ER1 occur on the panel.
Machine stop working and after reset the program starts again.This is happening every morning couple of times, than it's working all day long without problems.There isn't any alarm on the spindle regulator or alarm message on the screen only ER1 Led lights.Is there someone who knows what causes this alarm ?
I forgot to tell you that the alarm goes every time on same place in the program after T0101(tool one) change.

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[generaldisarray]

You have to read the diagnostic parameter associated with ER1 while the light is lit. I dont know what they are for a 10 control. It is in the Mori Book for that machine.

[tano]

You have to read the diagnostic parameter associated with ER1 while the light is lit. I dont know what they are for a 10 control. It is in the Mori Book for that machine.

Thanks for info i will check the book this morning and see what can i do