Haas Alarms

Alarm: 656 V CABLE FAULT – Haas Mill Haas Alarm Description: Cable from V-axis encoder does not have valid differential signals.

Alarm: 656 INVALID I, K, OR R IN G01 – Haas Lathe Haas Alarm Description: The move distance in the block commanded with chamfering or corner rounding is less than…

Alarm: 655 U CABLE FAULT – Haas Mill Haas Alarm Description: Cable from U-axis encoder does not have valid differential signals.

Alarm: 655 MISMATCH AXIS WITH I, K CHAMFERING – Haas Lathe Haas Alarm Description: I, (K) was commanded as X-axis (Z-axis) in the block with chamfering.

Alarm: 654 W ZERO RET MARGIN TOO SMALL Haas Alarm Description: This alarm will occur if the home/limit switches move or are misadjusted. This alarm indicates that the zero return…

Alarm: 653 V ZERO RET MARGIN TOO SMALL Haas Alarm Description: This alarm will occur if the home/limit switches move or are misadjusted. This alarm indicates that the zero return…

Alarm: 652 U ZERO RET MARGIN TOO SMALL Haas Alarm Description: This alarm will occur if the home/limit switches move or are misadjusted. This alarm indicates that the zero return…

Alarm: 651 Z AXIS IS NOT ZEROED – Haas Mill Haas Alarm Description: The Z-axis has not been zeroed. In order to continue Tool Change Recovery, the Z-axis must be…

Alarm: 650 DC BUS OVER VOLTAGE – Haas Mill Haas Alarm Description: DC Bus Overvoltage. The DC bus voltage has been raised too high. The most common cause is an…

Alarm: 649 DC BUS UNDER VOLTAGE – Haas Mill Haas Alarm Description: DC Bus Undervoltage. The DC Bus voltage has dropped too low. This alarm occurs during charge up with…

Alarm: 648 DC BUS SHORTED – Haas Mill Haas Alarm Description: A shorted 320VDC bus condition was detected upon power-up. The DC bus monitor detected an improper charge-up. This can…

Alarm: 647 REGEN LOAD SHORTED – Haas Mill Haas Alarm Description: A shorted Regen load condition was detected. This is caused by shorted cables on the regen load or shorted…

Alarm: 646 VAC INPUT PHASE – Haas Mill Haas Alarm Description: VAC Input Phase Fault. A phase loss or drop of the frequency in the incoming AC line was detected….

Alarm: 645 AMPLIFIER GROUND – Haas Mill Haas Alarm Description: Amplifier Ground Fault. A ground short was detected in the output of the amplifiers or spindle drive. This can be…

Alarm: 644 APC-LOW AIR PRESSURE – Haas Mill Haas Alarm Description: A low air pressure condition was detected during pallet changer operation. Check that the air supply is 100 psi,…

Alarm: 643 LOW BRAKE OIL A-AXIS – Haas Mill Haas Alarm Description: The oil level in the air/oil booster, supplying hydraulic pressure to the A-axis brake, is low. The booster…

Alarm: 642 642 APC-PIN CLEAR SWITCH FAULT – Haas Mill Haas Alarm Description: One of the pallet changer pin clear switches was contacted unexpectedly. The most likely cause is debris…

Alarm: 641 APC-UNKNOWN CHAIN LOCATION – Haas Mill Haas Alarm Description: Neither chain location switch is tripped, so the control cannot locate the chain position. This can occur if a…

Alarm: 640 APC-MISSING PALLET @ REC – Haas Mill Haas Alarm Description: Pallet change sequence halted because receiver switch not activated. Pallet either unclamped or not on receiver. Ensure pallet…

Alarm: 639 APC-DOOR NOT CLOSED – Haas Mill Haas Alarm Description: The automatic door did not close (in the allowable time) when necessary after an APC function has been performed….

Alarm: 638 APC-DOOR NOT OPEN – Haas Mill Haas Alarm Description: The automatic door did not open (in the allowable time), or may have fallen during an APC function. This…

Alarm: 637 APC UNLOAD-SWITCH MISSED PAL 2 – Haas Mill Haas Alarm Description: Pallet #2 did not return from the receiver to the APC in the allowable amount of time….

Alarm: 636 APC UNLOAD-SWITCH MISSED PAL 1 – Haas Mill Haas Alarm Description: Pallet #1 did not return from the receiver to the APC in the allowable amount of time….

Alarm: 635 APC-PAL NUM CONFLICT REC & CH – Haas Mill Haas Alarm Description: Pallet Number Conflict Receiver and Pallet Changer: The pallet number in memory does not agree with…

Alarm: 634 APC-MISLOCATED PALLET – Haas Mill Haas Alarm Description: A pallet is not in the proper place on the APC. The pallet must be pushed back against the hard…

Alarm: 633 APC-CLAMP ERROR – Haas Mill Haas Alarm Description: The pallet did not clamp in the amount of time allowed by Parameter 316. This alarm is most likely caused…

Alarm: 632 APC-UNCLAMP ERROR – Haas Mill Haas Alarm Description: The pallet did not unclamp in the amount of time allowed. This can be caused by a bad air solenoid,…

Alarm: 631 PALLET NOT CLAMPED – Haas Mill Haas Alarm Description: Vertical Mills: APC-Pallet not clamped or home. Do not move X or Y axes until APC is in safe…

Alarm: 630 APC-DOOR SW FAULT-SWITCH NOT EQUAL TO SOLENOID – Haas Mill Haas Alarm Description: The APC Door Switch indicates the door is open but the solenoid shows the door…

Alarm: 629 APC-PIN CLEAR/HOME SWITCH FAULT – Haas Mill Haas Alarm Description: A pin clear switch was contacted when all pallets were at their home positions. The most likely cause…

Alarm: 629 EXCEEDED MAX FEED PER REV – Haas Lathe Haas Alarm Description: For G77, reduce diameter of part or change geometry. For G5, reduce X or Z travel.

Alarm: 628 ATC ARM POSITIONING ERROR – Haas Mill Haas Alarm Description: This alarm is generated by the tool changer if: • The arm was being moved from the Origin…

Alarm: 627 ATC ARM MOTION – Haas Mill Haas Alarm Description: Generated by the side mount disk type tool changer if the tool arm failed to move within the time…

Alarm: 626 TOOL POCKET SLIDE ERROR – Haas Mill Haas Alarm Description: This alarm is generated by the tool changer if the tool pocket has not moved to its commanded…

Alarm: 625 CAROUSEL POSITIONING ERROR – Haas Mill Haas Alarm Description: Generated by tool changer if conditions are not correct when: • Carousel or tool arm was started and illegal…