Mazak MAZATROL Alarm 1901 (Battery Low - Memory Backup)

Mazak CNC Minor Power Supply

Model: MAZATROL MATRIX / SmoothX | Code: 1901

Applicable Systems
MAZATROL MATRIX MAZATROL Smooth INTEGREX

Symptoms

Alarm 1901: Battery Low - Memory Backup. The memory backup battery is low. Parameters and programs may be lost after power off.

Possible Causes

  • Hardware or software issue related to: Battery Low - Memory Backup
  • Component failure or communication error
  • Environmental factor (temperature, power, contamination)
  • Configuration or parameter error

Troubleshooting Steps

  1. Step 1: Read alarm 1901 on the Mazak CNC display and note the full message
    Alarm code and description captured for diagnosis
  2. Step 2: Check machine status and identify any visible mechanical, electrical, or pneumatic issues
    Fault condition identified or confirmed as intermittent
  3. Step 3: Consult the Mazak maintenance manual for alarm-specific procedures
    Root cause identified per Mazak guidelines
  4. Step 4: Apply the recommended fix and reset the alarm
    Alarm cleared and machine resumed normal operation

How to Reset

To reset alarm 1901: 1) Address the root cause. 2) Press the RESET key on the CNC panel. 3) If alarm persists, cycle power to the control. Caution: Repeated alarms without fixing the cause may cause damage.

Frequently Asked Questions

  • Q: What does Mazak alarm 1901 mean?

    Alarm 1901 indicates: Battery Low - Memory Backup. The memory backup battery is low. Parameters and programs may be lost after power off.

Related Mazak Fault Codes

Source: Mazak MAZATROL Matrix/SmoothX Maintenance Manual, helmanCNC.com

Category: CNC