oH3
Motor Overheat (PTC input)
Yaskawa · P1000 AC Drive
What does oH3 mean?
The motor's internal PTC thermistor input has triggered, indicating that the motor has exceeded its safe operating temperature. This protects the motor from thermal damage.
Repair Steps & Checklist
Click steps to track your progress.
Browse all codes in this manual (60)Verified technical data. Last updated: March 2026
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Source: Yaskawa P1000 AC Drive