Troubleshooting steps
Check motor and cable insulation verify connections are dry replace damaged components
Danfoss VFD
Alarm 15 – Earth fault
Ground fault detected
Details
Drive detected current leakage to ground indicating insulation failure.
Error typealarm
MeaningEarth fault
Typical causesMotor insulation failure cable damage moisture
SolutionsCheck motor and cable insulation verify connections are dry replace damaged components
Severitycritical
Catalog references
Vendor Information
DanfossAlarm 15
Utilities
Troubleshooting Steps
Related
Related Danfoss VFD Codes
FAQ
Common questions
Is the motor safe to use?
Not until insulation is repaired. Ground faults can cause serious damage.
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Discussion & Experiences
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