Code 31: SERVO MALFUNCTION 1
Issue Description & Safety Warning
The Mazak Mazatrol Matrix CNC has triggered a critical SERVO MALFUNCTION 1 alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Type of error: C — Servo (malfunction of the servo control mechanism) Stopped status: H — Emergency stop Clearing procedure: M — Power off -> eliminate cause -> power back on Display colour: Red Cause: The servo (power-off level) is abnormal. Action: Require Mazak Technical Center or Technology Center to replace the servo amplifier.
Source: Mazak Mazatrol Matrix — Parameter List, M-Codes, Alarm Manual (Section 3 Alarm)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Mazak Mazatrol Matrix CNC Alarms
Mazak controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 31 on the Mazatrol Matrix CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Mazak's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 714 Mazak Mazatrol Matrix CNC codes.
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