function of key in control panel

[nabil_elbadri]

Hi all
can any one tell me the function of the button with key selector in the picture please?
machine is doosan puma lathe with fanuc 21i TB

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[dhardt]

What is the serial number?

[dhardt]

There is an Optional Enabling Keyswitch on some CE certified controls.
It might be that...See attached.

To confirm: Find that section of your electrical manual, get the -SK## from the schematic, open the operation panel and locate the backside of the keyswitch. It will be labeled with similar numbers.

[nabil_elbadri]

thank you for your reply dhardt:
machine serial number is P35L3149
i find this attached drawing in the electrical Circuit Diagram
i need to know what this key does in operation for example, is it for program restart ?or maybe for spindle ?
if you have similar operation control panel maybe you can help,
i didnt find in the manuals any thing talk about this symbol
thanx again for your reply

[Dale123]

Looks like the Door Open switch . With it at "1" it allows you to handwheel the Axes for setting up with the door open .. If its never used them I assume you have overridden the safety interlocks.

[nabil_elbadri]

of course I override the safety interlock its OCTG lathe
any way i will try with the door after tomorrow and will tell you the result guys
thanx for your reply Dale123