Key Test - Siemens SINUMERIK 840 sl Manual

3.
4.
8.3

Key test

Requirements
● The MCP is booting.
● There is no communication yet between the MCP and the control, i.e. all of the key LEDs
are flashing.
● The MCP must be in the IE operating mode. For further information, see Settings of switch
S2 (Page 17).
In this state, the operating functions described in the following can be executed in the test
mode.
Test mode
● Activation: Press the "RESET" key.
● Automatic deactivation: No operator control was pressed in the last 3 seconds.
● Manual deactivation: Simultaneously press the "CYCLE STOP" and "CYCLE START" keys.
Machine control panel: MCP 398C
Manual, 07/2018, A5E43199783B AB
Diagnostics
8.3 Key test
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