Toshiba EC650: Injection Servo Overload — Troubleshooting Guide
Tensile data verified against MatWeb.com database & manufacturer datasheets · Last updated July 2026
Published: 2026-07-02
Toshiba EC650 alarm indicates an injection servo drive overload. Check for mechanical binding in the injection unit or a failing servo amplifier module.
Toshiba EC650 alarm indicates an injection servo drive overload. Check for mechanical binding in the injection unit or a failing servo amplifier module.
Alarm Details
| Alarm Code | EC650 |
|---|---|
| Brand / Machine | Toshiba |
| Severity | High (Machine Stop) |
| Component | Servo Drive Module |
| Affected Systems | Injection Axis |
Troubleshooting Protocol
Identify which zone/component triggered the alarm. Record error code and timestamp.
Power down, lock out, inspect affected component for damage or leakage.
Test resistance/continuity with multimeter. Verify SSR and fuse integrity.
Use OEM-approved part. Document replacement in machine log.
Restart, test cycle, verify alarm cleared, log root cause and repair.
Equivalents & Cross-References
| Equivalent / Alternate | Action |
|---|---|
| Fanuc SV0300 | |
| Sumitomo Demag E101 |
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References & Industry Standards
- ASTM International. Standard Specifications for Engineering Plastics & Thermoplastics. astm.org
- UL Prospector. Plastics & Elastomers Material Database. ulprospector.com
- MatWeb. Material Property Data for Engineering Thermoplastics. matweb.com
- ISO 1043. Plastics — Symbols and Abbreviated Terms. iso.org