Troubleshooting steps
low
SINUMERIK 840D sl
60020 – HMI keypad fault
HMI keypad error
Details
alarm
Error typeKeypad fault
MeaningKeypad fault wiring fault
Typical causesCheck keypad connections verify keypad
Solutionslow
Catalog references
System Information
SINUMERIK 840D sl60020
Utilities
Troubleshooting Steps
Other alarms
Other SINUMERIK 840D sl Alarms
22050 – Channel not ready
NC channel failed to initialize or is in error state
22051 – Channel initialization error
Channel failed to initialize during startup
22052 – Channel mode error
Channel mode conflict or invalid mode
25000 – Emergency stop active
Emergency stop button pressed or safety circuit activated
25050 – Axis hardware fault
Axis drive or motor detected a hardware fault condition
FAQ
Common questions
Can I continue?
Yes but keypad may be unavailable
Community
Discussion & Experiences
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