Skip to content
cropped cropped cropped CNC University 1 1 1.png
  • Toggle website search
Menu Close

Fanuc Controller

  1. Home>
  2. Fanuc Controller

SV0441 ABNORMAL CURRENT OFFSET IN FANUC OI SERIES

  • Post author:Deepika Varshney
  • Post published:01/01/2026
  • Post category:Fanuc Controller
  • Post comments:0 Comments

ALARM SV441 & ALARM SV0016 Understanding FANUC SV441 Alarm: Abnormal Current Offset FANUC SV441 alarm indicates an abnormal current offset in the servo amplifier, where the current detector registers an…

Continue ReadingSV0441 ABNORMAL CURRENT OFFSET IN FANUC OI SERIES

SP9012(S) OVERCURRENT POWER CIRCUIT

  • Post author:Deepika Varshney
  • Post published:22/12/2025
  • Post category:Fanuc Controller
  • Post comments:0 Comments

Fanuc alarm SP9012 indicates an overcurrent condition in the spindle power circuit (DC link), typically triggered when the spindle amplifier detects abnormally high current flow and trips to protect power…

Continue ReadingSP9012(S) OVERCURRENT POWER CIRCUIT

SR1591 TV ERROR IN FANUC CONTROLLER

  • Post author:Deepika Varshney
  • Post published:04/12/2025
  • Post category:Fanuc Controller
  • Post comments:0 Comments

Understanding TV Check in FANUC CNC Controllers: A Comprehensive Technical Guide Introduction One of the most commonly misunderstood parameters in FANUC CNC controllers is the TV Check (Tape Vertical Check),…

Continue ReadingSR1591 TV ERROR IN FANUC CONTROLLER

SP 9027: (S) DISCONNECT POSITION CODER

  • Post author:Deepika Varshney
  • Post published:29/11/2025
  • Post category:Fanuc Controller
  • Post comments:0 Comments

SP 9027 Alarm on display SP9027 Means: Communication between the Spindle Position coder and the spindle amplifier Module is disconnected or abnormal. External encoder (Position Coder) is to provide direct…

Continue ReadingSP 9027: (S) DISCONNECT POSITION CODER

SP9031 (S) MOTOR LOCK/ VELOCITY SIGNAL LOSS IN FANUC CONTROLLER

  • Post author:Deepika Varshney
  • Post published:23/11/2025
  • Post category:Fanuc Controller
  • Post comments:0 Comments

SP9031 alarm is generated by the spindle amplifier module when it detects a difference between the commanded spindle speed and the actual motor performance. Alarm code corresponds to AL-31 on…

Continue ReadingSP9031 (S) MOTOR LOCK/ VELOCITY SIGNAL LOSS IN FANUC CONTROLLER

Parameter Calculation for different pitch ball screw for Fanuc Controller

  • Post author:Deepika Varshney
  • Post published:15/11/2025
  • Post category:Fanuc Controller
  • Post comments:2 Comments

In other way we can say calculation of Flexible Feed Gear ratio (FFG) for different ball screw for linear Axis. for this we need to collect following data. Machine Detection…

Continue ReadingParameter Calculation for different pitch ball screw for Fanuc Controller
  • 1
  • 2
  • 3
  • 4
  • Go to the next page

Recent Posts

  • SV0441 ABNORMAL CURRENT OFFSET IN FANUC OI SERIES
  • SP9012(S) OVERCURRENT POWER CIRCUIT
  • SR1591 TV ERROR IN FANUC CONTROLLER
  • SP 9027: (S) DISCONNECT POSITION CODER
  • SP9031 (S) MOTOR LOCK/ VELOCITY SIGNAL LOSS IN FANUC CONTROLLER

Recent Comments

  1. Deepika Varshney on SV0442(Nth )PS PRE-CHARGE FAILURE,SP9033(S)PS PRE-CHARGE FAILURE Fanuc Controller
  2. Dilip Renke on SV0442(Nth )PS PRE-CHARGE FAILURE,SP9033(S)PS PRE-CHARGE FAILURE Fanuc Controller
  3. SP9031 (S) MOTOR LOCK/ VELOCITY SIGNAL LOSS IN FANUC CONTROLLER - CNC University on How to check Servo Axis and Spindle load in Fanuc 0i-T and 0i-M series
  4. Ram singh on 231885:Encoder 1 DRIVE-CLiQ(CU):Cyclic data transfer error
  5. Sanjay on SV 366/SV 367:PULSE MISS (INT)/COUNT MISS(INT) FANUC 0i-T CONTROLLER

Archives

  • January 2026 (1)
  • December 2025 (2)
  • November 2025 (11)
  • October 2025 (17)

Categories

  • Alarm Investigation (1)
  • Fanuc Controller (21)
  • Hydraulic power pack (2)
  • Hydraulics (1)
  • Siemens Controller (2)
  • Siemens Controller (7)

Home Page

  • About Us
  • CNC Forum
  • Contact Us
  • Disclaimer
  • Privacy Policy

© 2025 CNC University by Deepika Varshney I All Rights Reserved