Siemens SINUMERIK MCP-S Series Equipment Manual page 52

Service and maintenance
Checking the emergency stop button
Check the emergency stop button regularly to ensure that it functions correctly.
Suspected malfunction
If you suspect a malfunction due to unusual product reactions, isolate the device from power.
Immediately inform qualified personnel to check the function and ensure that the product
functions correctly.
The following signs can indicate a malfunction:
• Unusual or no functioning
• Unusual heat generation
• Smoke development
Repair
Send the device back to the manufacturer for repair. The device must only be repaired there.
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ONE MCP Part 1: MCP xxxx
Equipment Manual, 07/2020, A5E50324729B AA