Applicable Systems
Haas CNC Mill (VF/VM Series)
Symptoms
Haas communication alarm. Error 1016 indicates a network or data transfer fault. Alarm 1016 is displayed on the Haas control.
Possible Causes
- Haas CNC control system fault
- Servo or spindle drive fault
- Program or parameter error
- Mechanical or safety interlock fault
Troubleshooting Steps
- Step 1: Read the alarm message on the Haas HMI for alarm 1016
Alarm description displayed - Step 2: Refer to the Haas alarm manual for the specific error code
Alarm cause and remedy identified - Step 3: Investigate the affected subsystem per the diagnostic procedure
Root cause identified - Step 4: Correct the fault and press RESET to clear the alarm
Alarm clears
How to Reset
Correct the fault and press RESET on the Haas HMI. Refer to the Haas Alarm Manual for detailed troubleshooting.
Frequently Asked Questions
- Q: What does Haas alarm 1016 mean?
Communication Alarm 1016: Haas communication alarm. Error 1016 indicates a network or data transfer fault.
- Q: How do I clear Haas alarms?
Correct the underlying fault as described in the alarm message, then press RESET on the Haas control to clear the alarm. For critical alarms, power cycle the machine after addressing the root cause.
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Source: Haas Alarm Manual, Haas Automation, Inc.
Category: CNC
Published: 2026-10-11
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