Troubleshooting steps
high
SINUMERIK 840D sl
207002 – Drive unit voltage fault
Drive unit voltage error
Details
alarm
Error typeDrive voltage
MeaningVoltage fault drive
Typical causesCheck drive unit voltage verify power supply
Solutionshigh
Severity207000
Catalog references
System Information
SINUMERIK 840D sl207002
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
What voltage?
Check drive unit voltage specifications.
Community
Discussion & Experiences
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