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Haas alarm

102 Servos Off

The servo motors are turned off.

Stops the machineHaas Classic and NGC controls (mills and lathes)

What it means

The servo motors are turned off. This shows up after an emergency stop and when another alarm has shut the servos down.

Common causes

  • Emergency stop pressed
  • Another alarm turned the servos off (look at the alarm list)
  • Door or other safety circuit

What to check first

  1. Look at the full alarm history. The alarm right before 102 is usually the cause
  2. Release the E-stop and press reset
  3. If 102 is alone and won't clear, note what the machine was doing

Lock out the machine before reaching into it. Never bypass a door switch or interlock to clear an alarm.

When to call a repair tech

If it keeps coming back with no other alarm, call a Haas-experienced tech.

Repair companies that work on Haas

See all Haas repair

Quick answers

What does Haas alarm 102 mean?

The servo motors are turned off. This shows up after an emergency stop and when another alarm has shut the servos down.

What causes Haas alarm 102?

Emergency stop pressed. Another alarm turned the servos off (look at the alarm list). Door or other safety circuit.

How do I fix Haas alarm 102?

Look at the full alarm history. The alarm right before 102 is usually the cause. Release the E-stop and press reset. If 102 is alone and won't clear, note what the machine was doing. If it keeps coming back with no other alarm, call a Haas-experienced tech.

Alarm numbers and text can differ by control model, software version and machine builder. This page is a starting point from people who have worked on these machines, not a replacement for your machine builder's manual.

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