Tag: yaskawa

All the articles with the tag "yaskawa".

• Yaskawa A1000 VFD AL-29 - Causes & Fix

  29 Jun, 2026

  AL-29 does not exist in Yaskawa A1000 documentation. Likely a misread code (CPF29 control circuit error) or third-party alarm label.

• Yaskawa A1000 PF Fault - Causes & Fix

  12 Jun, 2026

  PF means input phase loss or severe voltage imbalance on the incoming AC supply. Check incoming line fuses and wiring first.

• Yaskawa A1000 oL2 Fault - Causes & Fix

  10 Jun, 2026

  oL2 on a Yaskawa A1000 means inverter/drive overload. The drive protected itself from overheating. Most often caused by heavy load.

• Yaskawa A1000 CPF12 Fault - Causes & Fix

  10 Jun, 2026

  CPF12 means internal control-board memory or CPU failure. Most common fix: cycle power once, then replace the control board if fault returns.

• Yaskawa GA800 A.144 Fault - Causes & Fix

  9 Jun, 2026

  A.144 is not a standard GA800 fault code. Verify the exact display-may be A.14 or misread. Check motor wiring, encoder connections, and option cards.

• Yaskawa GA800 A.137 Fault - Causes & Fix

  9 Jun, 2026

  A.137 is not a standard GA800 code in published manuals. Check for misread display or machine-specific parameter fault; reset and verify wiring.

• Yaskawa GA800 A.121 Fault - Causes & Fix

  9 Jun, 2026

  A.121 is not a documented GA800 fault code. Verify the exact display and model. Most likely a misread alarm or wrong drive series.

• Yaskawa GA800 A.116 Fault - Causes & Fix

  8 Jun, 2026

  A.116 means multi-function input open alarm on GA800 VFDs. Most often an open interlock, E-stop, or loose wiring. Check control circuit.

• Yaskawa GA800 A.112 Alarm - Causes & Fix

  8 Jun, 2026

  A.112 on a Yaskawa GA800 is an alarm for missing or invalid run/reference input. Most often the command source is set wrong on the keypad.

• Yaskawa GA800 E50 Fault Code - Causes & Fix

  6 Jun, 2026

  E50 on a Yaskawa GA800 VFD signals an external fault input from an interlock or safety device. The most common fix is locating and clearing the tripped field switch or relay.

• Yaskawa GA800 E40 Fault - Causes & Fix

  6 Jun, 2026

  E40 is not documented in standard GA800 manuals. Confirm the exact code on the display and check wiring, option cards, and control board.

• Yaskawa GA800 E06 Fault Code - Causes & Fix

  4 Jun, 2026

  E06 fault on Yaskawa GA800 VFD is not defined in standard documentation. Check your drive's display and manual for the exact code meaning.

• Yaskawa GA800 E05 Fault - Causes & Fix

  4 Jun, 2026

  E05 on a Yaskawa GA800 VFD signals a communication or watchdog error on the industrial network interface. Most often fixed by reseating network cables or correcting node addressing.

• Yaskawa GA800 oC Fault — Overcurrent Fix

  21 May, 2026

  Yaskawa GA800 oC (Overcurrent) means the output current sensors on at least one of the U, V, or W phases saw current exceed roughly 200% of the drive's...

• Yaskawa GA800 oV Fault — DC Overvoltage Fix

  21 May, 2026

  Yaskawa GA800 oV (DC Overvoltage) means the internal DC bus climbed above approximately 820 VDC on a 480V-class drive (or 410 VDC on a 240V-class) while the...

• Yaskawa GA800 Uv1 Fault — DC Undervoltage Fix

  21 May, 2026

  Yaskawa GA800 Uv1 (DC Bus Undervoltage) means the DC bus dropped below the L2-05 threshold (default 380 VDC for a 480V-class drive, 190 VDC for a...

• Yaskawa U1000 Fault Codes: Complete Guide

  Updated: 1 May, 2026

  Yaskawa U1000 matrix drive fault codes and diagnostics. Fault codes, causes, and technician-level troubleshooting for U1000 industrial drives.

• Yaskawa J1000 Fault Codes — VFD Troubleshooting Guide

  26 Apr, 2026

  Yaskawa J1000 fault codes OC, OV, UV, OL1, OL2, OH, GF explained. Diagnose and fix overcurrent, overvoltage, overload, and ground faults on J1000 AC drives.

• Yaskawa Sigma-7 SGD7S Servo Drive Alarm Codes — Diagnosis & Fix

  24 Apr, 2026

  Yaskawa Sigma-7 SGD7S servo drive alarm codes explained — AL.10 overcurrent, AL.16 encoder error, AL.20 regenerative overload, AL.30 regen circuit, and more. Step-by-step fixes and parts table.

• Yaskawa A1000 Fault Code OC — Overcurrent Diagnosis & Fix

  24 Apr, 2026

  Yaskawa A1000 OC fault code means overcurrent — the drive detected output current exceeding 200% of rated current. Here's how to diagnose the motor, load, and drive parameters causing it.

• Yaskawa V1000 Complete Fault Code Guide — All Faults and Fixes

  22 Apr, 2026

  Complete fault code guide for the Yaskawa V1000 microdrive, covering major alarm and fault codes, causes, and step-by-step troubleshooting.

• Yaskawa V1000 OC Fault — Overcurrent

  22 Apr, 2026

  Yaskawa V1000 VFD OC fault means overcurrent has been detected. Learn the causes, how to diagnose OCA, OCb, and OC fault types, and how to fix the Yaskawa V1000 OC fault.

• Yaskawa VFD Fault Codes — Complete Reference (V1000, A1000, GA700)

  22 Apr, 2026

  Yaskawa VFD fault codes: all major faults for V1000, A1000, J1000, and GA700 drives including OC, OV, UV, GF, and OH faults.

• Yaskawa GA700 Fault UV1 — Main Circuit Undervoltage Causes & Fix

  22 Apr, 2026

  What Yaskawa GA700 fault UV1 means, why main circuit undervoltage trips the drive, and how to fix it step by step.