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Haas VF-Series CNC

Haas VF-Series CNC Error Codes

Complete alarm and error code reference for the Haas VF-Series CNC. Browse all 461 documented fault codes below, each linking to a detailed troubleshooting guide.

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Complete Alarm List (Page 1 of 3)

Comm. Failure with MOCON

X Servo Error Too Large

Y Servo Error Too Large

Z Servo Error Too Large

A Servo Error Too Large

X Servo Overload

Y Servo Overload

Z Servo Overload

A Servo Overload

Shuttle In Fault

Shuttle Out Fault

Turret Rotate Fault

Spindle Orientation Fault

Spindle High Gear Fault

Spindle Low Gear Fault

Low Air Pressure

Low Lube or Low Pressure

Spindle Drive Fault

Tool Not Clamped

Power Down Failure

Tool Clamp Fault

X Motor Over Heat

Y Motor Over Heat

Z Motor Over Heat

A Motor Over Heat

X Motor Z Fault

Y Motor Z Fault

Z Motor Z Fault

A Motor Z Fault

Spindle Not Locked

Time-out- Call Your Dealer

Spindle Turning

Z and Tool Interlocked

Low Thru Spindle Coolant

X-axis Z Ch Missing

Y-axis Z Ch Missing

Z-axis Z Ch Missing

A-axis Z Ch Missing

MOCON Watchdog Fault

Video/Keyboard PCB Failure

Keyboard Failure

X-Axis Drive Fault

Y-Axis Drive Fault

Z-Axis Drive Fault

A-Axis Drive Fault

X Zero Ret Margin Too Small

Y Zero Ret Margin Too Small

Z Zero Ret Margin Too Small

A Zero Ret Margin Too Small

Spindle Direction Fault

Spindle Ref Signal Missing

Tool Load Exceeded

Ground Fault Detected

Over Heat Shutdown

Over Voltage Shutdown

Divide by Zero!

Low Pressure Transmission Oil S

Pallet/Fixture Not Clamped

Spindle Not Turning

B or TT Servo Error Too Large

B Servo Overload

B Motor Overheat

B Motor Z Fault

B Axis Z Ch Missing

B Axis Drive Fault

B Zero Ret Margin Too Small

Coolant Spigot Failure

100 Hours Unpaid Bill

Precharge Failure

Parameter CRC Error

Setting CRC Error

Ball Screw CRC Error

Offset CRC Error

Programs CRC Error

Internal Program Error

Queue Advance Error

Queue Allocation Error

Queue Cutter Comp Error

Insufficient Memory

Program Integrity Error

Program RAM CRC Error

No. of Programs Changed

Free Memory PTR Changed

EPROM Speed Failure

X Axis Phasing Error

Y Axis Phasing Error

Z Axis Phasing Error

A Axis Phasing Error

B Axis Phasing Error

C Axis Phasing Error

Door Lock Failure

X Transition Fault

Y Transition Fault

Z Transition Fault

A Transition Fault

B Transition Fault

C Transition Fault

Jog Handle Transition Fault

Spindle Transition Fault

Jog Handle Cable Fault

Spindle Enc. Cable Fault

Spindle Z Fault

Spindle Motor Overload

Spindle Following Error

Automatic Door Fault

Unknown Mocon Alarm

Empty Prog or No EOB

String Too Long

Cursor Data Base Error

Number Range Error

Prog Data Begins Odd

Program Data Error

Prog Data Struct Error

Memory Overflow

Electronics Overheat

Spindle Overheat

No Tool In Spindle

Current Tool Unknown

Program Data Error

Invalid DPRNT Format

Language Version

Rotary CRC Error

Parameter CRC Missing

Ball Screw CRC Missing

Rotary CRC Missing

Macro Variable File CRC Error

Tool Changer Fault

Tool Door Out of Position

Door open @ M95 Start

C Servo Error Too Large

C Servo Overload

C Motor Overheat

C Motor Z Fault

C Axis Z Ch Missing

C Axis Drive Fault

C Zero Ret Margin Too Small

X Axis Linear Scale Z Fault

Y Axis Linear Scale Z Fault

Z Axis Linear Scale Z Fault

A Axis Linear Scale Z Fault

X Axis Linear Scale Z CH Missing

Y Axis Linear Scale Z CH Missing

Z Axis Linear Scale Z CH Missing

A Axis Linear Scale Z CH Missing

X Axis Linear Scale Cable Fault

Y Axis Linear Scale Cable Fault

Z Axis Linear Scale Cable Fault

A Axis Linear Scale Cable Fault

Low Air Volume/Pressure During ATC

320V Power Supply Fault

Invalid Chamfer or Corner Rounding Distance in G01

No End Move for G01 Chamfer Corner Rounding

Move Angle Too Small in G01 Corner rounding

Invalid Plane Selection in G01 Chamfer or Corner Rounding

ATC Double Arm Out of Position

ATC Shuttle Out of Position

Invalid R In G02 or G03

Invalid X, Y, or Z In G02 or G03

Invalid I, J, Or K In G02 Or G03

Invalid Q In Canned Cycle

Invalid I, J, K, or Q In Canned Cycle

Subroutine Nesting Too Deep

Exceeded Max Feed Rate

1-200 of 461