Code End7: No-Load Current Alarm
Issue Description & Safety Warning
The Yaskawa A1000 AC Drive has triggered a critical No-Load Current Alarm alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Code type: Auto-tuning fault/alarm Manual section: Yaskawa A1000 Troubleshooting The entered no-load current value was outside the allowable range. Check and correct faulty motor wiring. Auto-Tuning results were less than 5% of the motor rated current. Double check the data that was entered for the Auto-Tuning process.
Source: Yaskawa AC Drive A1000 High Performance Vector Control Drive Technical Manual (SIEP C710616 21H)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Yaskawa A1000 AC Drive Alarms
Yaskawa controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code End7 on the A1000 AC Drive identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Yaskawa's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 280 Yaskawa A1000 AC Drive codes.
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