Troubleshooting steps
high
SINUMERIK 840D sl
205001 – Power unit overtemperature
Power unit temperature exceeded limit
Details
alarm
Error typePower temperature
MeaningPower unit overheating insufficient cooling
Typical causesCheck power unit cooling allow to cool verify cooling system
Solutionshigh
Severity205000
Catalog references
System Information
SINUMERIK 840D sl205001
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
How to cool?
Ensure adequate ventilation and check cooling fans.
Community
Discussion & Experiences
Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!
Loading comments...