Skip to content

Newsletter

Subscribe to get notified about product launches, special offers and news

✅ 100% Tested CNC Spare Parts — New & Refurbished, all checked before dispatch

  • Home
  • CNC Forum

Need help?

Call us +91 8802212394
jj.automation@outlook.com

Follow Us

  • Facebook
  • Instagram
  • YouTube
  • Fanuc
  • Mitsubishi
  • Siemens
  • Haas
  • Shop by Category
  • CNC Controllers
  • Servo Drives
  • Servo Motors
  • PCB Boards
  • Encoders
  • Cable & Accessories
  • Services
  • PLC Drives Repair
  • PLC Servo Motor Repairs
  • Tech Blog
  • Fanuc Articles
  • Mitsubishi Articles
  • Siemens Articles
  • Haas Articles
  • General Articles
  • About Us
  • Contact Us
  • FAQs
  • Fanuc Drives
  • Fanuc Servo Drives
  • Fanuc Spindle Drives
  • Fanuc Power Supply Modules
  • Fanuc Power Backup Failure Module (PBFM)
  • Fanuc PCB Boards
  • Fanuc Controller System
  • Fanuc Motherboards
  • Fanuc Axis PCB Boards
  • Fanuc CPU PCB Boards
  • Fanuc Graphic PCB Board
  • Fanuc I/O PCB Boards
  • Fanuc Power Supply Units
  • Fanuc Motors & Encoders
  • Fanuc Servo Motors
  • Fanuc Spindle Motors
  • Fanuc Motor Encoders
  • Fanuc Spindle Sensors
  • Fanuc Display Spares
  • Fanuc Colour LCD
  • Fanuc Monochrome LCD
  • Fanuc CRT Display
  • Fanuc Display Accessories
  • Fanuc Cables
  • Fanuc Feedback Cables
  • Fanuc Power Cable
  • Fanuc Optical Cables
  • Fanuc Communication Cables
  • Fanuc Misc Cables
  • Fanuc Cooling Fans
  • Fanuc Drive Fans
  • Fanuc Controller Fans
  • Fanuc Spindle Motor Fans
  • Fanuc Misc Fans
  • Fanuc Accessories
  • Fanuc Fuses
  • Fanuc Batteries
  • Fanuc Teach Pendents
  • Fanuc Keyboards
  • Fanuc Keysheets
  • Fanuc Connectors
  • Mitsubishi Drives
  • Mitsubishi Servo Drive Units
  • Mitsubishi Spindle Drive Units
  • Mitsubishi Power Supply Units
  • Mitsubishi Multi Axis Servo Unit
  • Mitsubishi PCB Boards
  • Mitsubishi CNC Control Units
  • Mitsubishi Main Cards
  • Mitsubishi Memory Cards
  • Mitsubishi Expansion Cards
  • Mitsubishi I/O Cards
  • Mitsubishi Power Supplies
  • Mitsubishi Motors & Encoders
  • Mitsubishi Servo Motors
  • Mitsubishi Spindle Motors
  • Mitsubishi Servo Encoders
  • Mitsubishi Spindle Encoders
  • Mitsubishi Display Spares
  • Mitsubishi Colour LCD
  • Mitsubishi Monochrome LCD
  • Mitsubishi CRT Display
  • Mitsubishi Backlight Inverter
  • Mitsubishi Cable
  • Mitsubishi Feedback Cables
  • Mitsubishi Power Cable
  • Mitsubishi Optical Cables
  • Mitsubishi Communication Cable
  • Mitsubishi Misc Cable
  • Mitsubishi Cooling Fans
  • Mitsubishi Drive Fans
  • Mitsubishi Control Unit Fans
  • Mitsubishi Spindle Motor Fans
  • Mitsubishi Misc Fans
  • Mitsubishi Accessories
  • Mitsubishi Fuses
  • Mitsubishi Keyboards
  • Mitsubishi Keysheets
  • Mitsubishi Teach Pendents
  • Mitsubishi Connectors
  • Mitsubishi Batteries
  • Siemens Drives
  • Siemens Infeed Modules
  • Siemens Power Modules
  • Siemens HF Commutating Reactor
  • Siemens Line Filters
  • Siemens Monitoring Modules
  • Siemens Capacitor Modules
  • Siemens PCB Boards
  • Siemens Operator Panel
  • Siemens TCU/PCU
  • Siemens CCU/NCU
  • Siemens PPU
  • Siemens MCP
  • Siemens I/O Module
  • Siemens Motors & Encoders
  • Siemens Servo Motors
  • Siemens Spindle Motors
  • Siemens Encoders
  • Siemens Display Spares
  • Siemens Colour LCD
  • Siemens Monochrome LCD
  • Siemens CRT Display
  • Siemens Display Accessories
  • Siemens Cable
  • Siemens Drive Clique Cables
  • Siemens Motor Power Cables
  • Siemens Drive Bus Cables
  • Siemens PROFINET Cables
  • Siemens MPI/DP Cables
  • Siemens Misc Cables
  • Siemens Cooling Fans
  • Siemens Drive Fans
  • Siemens Controller Fans
  • Siemens Spindle Motor Fans
  • Siemens Misc Fans
  • Siemens Accessories
  • Siemens Hand Held Unit
  • Siemens Fuses
  • Siemens MDA Keyboards
  • Siemens Connectors
  • Siemens Keysheets
  • Siemens Batteries
  • Haas PCB Boards
  • Haas MAINCON Processor Board
  • Haas MOCON PCB Board
  • Haas I/O PCB Board
  • Haas Operator Interface PCB Board
  • Hass PSUP PCB Board
  • Haas 8M PCB Board
  • Haas Tool Changer Board
  • Haas Amplifiers
  • Hass Servo Amlifiers
  • Haas Vector Drives
  • Haas Servo Motors
  • Haas Axis Motors
  • Haas Spindle Motors
  • Haas Tool Changer Motors
  • Haas Magazine Motors
  • Haas Servo Cables
  • Haas Encoder Cables
  • Haas Power Cables
  • Haas Other Cables
  • Haas Encoders
  • Hass Encoders (Mitsubishi)
  • Haas Encoders (Yasakawa)
  • Haas Encoders
  • Haas Accessories
  • Haas LCD
  • Haas CRT Display
  • Haas RJH(Remote Jog Handle)
  • Haas Keypad
  • Haas Fuse
  • Fanuc Repair
  • Fanuc PCB Repair
  • Fanuc Servo Motor Repair
  • Fanuc Special Repairs
  • Mitsubishi Repair
  • Mitsubishi PCB Repair
  • Mitsubishi Servo Motor Repair
  • Mitsubishi Special Repair
  • Siemens Repair
  • Siemens PCB Repair
  • Siemens Servo Motor Repair
  • Siemens Special Repair
  • Haas Repair
  • Haas Controller Repair
  • Haas Drives Repair
  • Haas Servo Motor Repair
JJAutomation JJAutomation
Login
0
Cart

Your cart is empty

Shop our products
  • Home
  • Fanuc
    • Fanuc Drives
      • Fanuc Servo Drives
      • Fanuc Spindle Drives
      • Fanuc Power Supply Modules
      • Fanuc Power Backup Failure Module (PBFM)
    • Fanuc PCB Boards
      • Fanuc Controller System
      • Fanuc Motherboards
      • Fanuc Axis PCB Boards
      • Fanuc CPU PCB Boards
      • Fanuc Graphic PCB Board
      • Fanuc I/O PCB Boards
      • Fanuc Power Supply Units
    • Fanuc Motors & Encoders
      • Fanuc Servo Motors
      • Fanuc Spindle Motors
      • Fanuc Motor Encoders
      • Fanuc Spindle Sensors
    • Fanuc Display Spares
      • Fanuc Colour LCD
      • Fanuc Monochrome LCD
      • Fanuc CRT Display
      • Fanuc Display Accessories
    • Fanuc Cables
      • Fanuc Feedback Cables
      • Fanuc Power Cable
      • Fanuc Optical Cables
      • Fanuc Communication Cables
      • Fanuc Misc Cables
    • Fanuc Cooling Fans
      • Fanuc Drive Fans
      • Fanuc Controller Fans
      • Fanuc Spindle Motor Fans
      • Fanuc Misc Fans
    • Fanuc Accessories
      • Fanuc Fuses
      • Fanuc Batteries
      • Fanuc Teach Pendents
      • Fanuc Keyboards
      • Fanuc Keysheets
      • Fanuc Connectors
  • Mitsubishi
    • Mitsubishi Drives
      • Mitsubishi Servo Drive Units
      • Mitsubishi Spindle Drive Units
      • Mitsubishi Power Supply Units
      • Mitsubishi Multi Axis Servo Unit
    • Mitsubishi PCB Boards
      • Mitsubishi CNC Control Units
      • Mitsubishi Main Cards
      • Mitsubishi Memory Cards
      • Mitsubishi Expansion Cards
      • Mitsubishi I/O Cards
      • Mitsubishi Power Supplies
    • Mitsubishi Motors & Encoders
      • Mitsubishi Servo Motors
      • Mitsubishi Spindle Motors
      • Mitsubishi Servo Encoders
      • Mitsubishi Spindle Encoders
    • Mitsubishi Display Spares
      • Mitsubishi Colour LCD
      • Mitsubishi Monochrome LCD
      • Mitsubishi CRT Display
      • Mitsubishi Backlight Inverter
    • Mitsubishi Cable
      • Mitsubishi Feedback Cables
      • Mitsubishi Power Cable
      • Mitsubishi Optical Cables
      • Mitsubishi Communication Cable
      • Mitsubishi Misc Cable
    • Mitsubishi Cooling Fans
      • Mitsubishi Drive Fans
      • Mitsubishi Control Unit Fans
      • Mitsubishi Spindle Motor Fans
      • Mitsubishi Misc Fans
    • Mitsubishi Accessories
      • Mitsubishi Fuses
      • Mitsubishi Keyboards
      • Mitsubishi Keysheets
      • Mitsubishi Teach Pendents
      • Mitsubishi Connectors
      • Mitsubishi Batteries
  • Siemens
    • Siemens Drives
      • Siemens Infeed Modules
      • Siemens Power Modules
      • Siemens HF Commutating Reactor
      • Siemens Line Filters
      • Siemens Monitoring Modules
      • Siemens Capacitor Modules
    • Siemens PCB Boards
      • Siemens Operator Panel
      • Siemens TCU/PCU
      • Siemens CCU/NCU
      • Siemens PPU
      • Siemens MCP
      • Siemens I/O Module
    • Siemens Motors & Encoders
      • Siemens Servo Motors
      • Siemens Spindle Motors
      • Siemens Encoders
    • Siemens Display Spares
      • Siemens Colour LCD
      • Siemens Monochrome LCD
      • Siemens CRT Display
      • Siemens Display Accessories
    • Siemens Cable
      • Siemens Drive Clique Cables
      • Siemens Motor Power Cables
      • Siemens Drive Bus Cables
      • Siemens PROFINET Cables
      • Siemens MPI/DP Cables
      • Siemens Misc Cables
    • Siemens Cooling Fans
      • Siemens Drive Fans
      • Siemens Controller Fans
      • Siemens Spindle Motor Fans
      • Siemens Misc Fans
    • Siemens Accessories
      • Siemens Hand Held Unit
      • Siemens Fuses
      • Siemens MDA Keyboards
      • Siemens Connectors
      • Siemens Keysheets
      • Siemens Batteries
  • Haas
    • Haas PCB Boards
      • Haas MAINCON Processor Board
      • Haas MOCON PCB Board
      • Haas I/O PCB Board
      • Haas Operator Interface PCB Board
      • Hass PSUP PCB Board
      • Haas 8M PCB Board
      • Haas Tool Changer Board
    • Haas Amplifiers
      • Hass Servo Amlifiers
      • Haas Vector Drives
    • Haas Servo Motors
      • Haas Axis Motors
      • Haas Spindle Motors
      • Haas Tool Changer Motors
      • Haas Magazine Motors
    • Haas Servo Cables
      • Haas Encoder Cables
      • Haas Power Cables
      • Haas Other Cables
    • Haas Encoders
      • Hass Encoders (Mitsubishi)
      • Haas Encoders (Yasakawa)
      • Haas Encoders
    • Haas Accessories
      • Haas LCD
      • Haas CRT Display
      • Haas RJH(Remote Jog Handle)
      • Haas Keypad
      • Haas Fuse
  • Shop by Category
    • CNC Controllers
    • Servo Drives
    • Servo Motors
    • PCB Boards
    • Encoders
    • Cable & Accessories
  • Services
    • Fanuc Repair
      • Fanuc PCB Repair
      • Fanuc Servo Motor Repair
      • Fanuc Special Repairs
    • Mitsubishi Repair
      • Mitsubishi PCB Repair
      • Mitsubishi Servo Motor Repair
      • Mitsubishi Special Repair
    • Siemens Repair
      • Siemens PCB Repair
      • Siemens Servo Motor Repair
      • Siemens Special Repair
    • Haas Repair
      • Haas Controller Repair
      • Haas Drives Repair
      • Haas Servo Motor Repair
    • PLC Drives Repair
    • PLC Servo Motor Repairs
  • Tech Blog
    • Fanuc Articles
    • Mitsubishi Articles
    • Siemens Articles
    • Haas Articles
    • General Articles
  • About Us
    • Contact Us
    • FAQs
  • CNC Forum

Fanuc

Fanuc Spindle Alarm 31 (AL-31, Motor Lock / Speed Detection Fault) — Causes, Diagnosis & Fixes

AL-31JJ AutomationJul 31, 2026

Join Us

A short sentence describing what someone will receive by subscribing

100% free, Unsubscribe any time!

Follow us

Pan-India Shipping

Delivery in 3–7 business days via BlueDart, DTDC & FedEx.

100% Tested Parts

Every part — new or used — is fully tested before dispatch.

24x7 Technical Support

CNC engineers on call for breakdowns & repairs — +91 8802212394.

Secure Payments

Pay safely via UPI, cards & bank transfer.

Your trusted source for genuine Fanuc, Mitsubishi & Siemens CNC spare parts. New & used parts — 100% tested before dispatch. Repairs, AMC & on-site service across India.

📞 +91 8802212394
✉ jj.automation@outlook.com
📍 Gurugram, Haryana 122004

  • Search
  • About Us
  • Contact Us
  • Refund Policy
  • Terms of Service
  • Shipping Policy
  • Privacy Policy
  • Your Privacy Choices

Stay Updated

Subscribe for the latest CNC spare parts availability, technical tips, and exclusive offers from JJ Automation.

Country/region
Country/region

© 2026 JJAutomation
Powered by Shopify

Follow Us

© 2026 JJAutomation
Powered by Shopify

  • Opens in a new window.
Chat with us!