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Yaskawa A1000 AC Drive

Yaskawa A1000 AC Drive Error Codes

Complete alarm and error code reference for the Yaskawa A1000 AC Drive. Browse all 280 documented fault codes below, each linking to a detailed troubleshooting guide.

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Complete Alarm List (Page 2 of 2)

Cooling Fan Maintenance Time

Capacitor Maintenance Time

Soft Charge Bypass Relay Maintenance Time

IGBT Maintenance Time (50%)

Drive Overheat Warning

Code oH3 (Alarm)

Code oH5 (Alarm)

Motor Overheat (NTC Input)

Code oL3 (Alarm)

Code oL4 (Alarm)

Code oL5 (Alarm)

Mechanical Weakening Detection 1

Code oS (Alarm)

Code ov (Alarm)

DC Bus Overvoltage

MEMOBUS/Modbus Comm. Test Mode Complete

Code PGo (Alarm)

PG Disconnect (for Control Mode with PG)

Code PGoH (Alarm)

PG Hardware Fault (detected when using a PG-X3 option card)

Motor Switch during Run

MEMOBUS/Modbus Communication Test Mode Error

Code THo (Alarm)

Thermistor Disconnect

IGBT Maintenance Time (90%)

Code UL3 (Alarm)

Undertorque Detection 1

Code UL4 (Alarm)

Undertorque Detection 2

Code voF (Alarm)

Output Voltage Detection Fault

Drive Capacity Setting Fault

Parameter Range Setting Error

Multi-Function Input Selection Error

Terminal Board Mismatch Error

Run Command/Frequency Reference Source Selection Error

Control Method Selection Error

Multi-Function Analog Input Selection Error

Parameter Selection Error

PID Control Selection Fault

V/f Data Setting Error

Carrier Frequency Setting Error

Pulse Monitor Selection Error

rque Control Setting Error

Energy Savings Constants Error

Online Tuning Parameter Setting Error

PG-F3 Setting Error

Excessive V/f Setting (detected only during Rotational Auto-Tuning and displayed after Auto-Tuning is complete)

Motor Iron-Core Saturation Coefficient (detected only during Rotational Auto-Tuning and displayed after Auto-Tuning is complete)

Rated Current Setting Alarm (displayed after Auto-Tuning is complete)

Adjusted Slip Calculation Error

Resistance Tuning Error

Leakage Inductance Alarm

No-Load Current Alarm

Motor Data Error

STOP Button Input

Line-to-Line Resistance Error

No-Load Current Error

Rated Slip Error

Acceleration Error

Motor Direction Error

Motor Speed Fault

Current Detection Error

Leakage Inductance Error

Motor Speed Error 2

rque Saturation Error

Inertia Detection Error

Reverse Prohibited Error

Induction Voltage Error

PM Inductance Error

Stator Resistance Error

Z Pulse Correction Error

High Frequency Injection Parameter Tuning Error

Writing Parameter Settings (flashing)

Control Mode Mismatch

Error Writing Data

Copy Unit Error

Drive Model Mismatch

Communication Error

Model Voltage Class Capacity Mismatch

Error Reading Data

Reading Parameter Settings (flashing)

Voltage Class Capacity Mismatch

Parameter settings in the drive and those saved to the copy function are not the same

Comparing Parameter Settings (flashing)

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