Troubleshooting steps
high
SINUMERIK 840D sl
300503 – Spindle external temperature sensor
External temperature sensor in spindle triggered
Details
alarm
Error typeTemperature sensor
MeaningSpindle overheating temperature sensor fault
Typical causesCheck spindle temperature verify sensor check cooling
Solutionshigh
Severity300502
Catalog references
System Information
SINUMERIK 840D sl300503
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
Sensor fault?
Possible. Check temperature sensor connections and readings.
Community
Discussion & Experiences
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