Code 701105: PLC-MD wrong (temperature monitoring 5th axis)
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical PLC-MD wrong (temperature monitoring 5th axis) 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
PLC machine parameter "14512[41]Bit4" is set to 1 (without temperature monitoring), but the PLC input signal "Temperature monitoring 5th axis" is registered. Read disable Feed Stop 1. Correct PLC machine parameter. 2. As soon as the bit is correctly set, switch off the control with the [Control OFF] key. 3. Turn on the control with the key [Control ON]. Message is cleared. If the machine has a torque motor, temperature monitoring is active. The bit must be set to 0.
Source: CHIRON Error Message Overview, all series (Siemens control, V2.0.6, 2012)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Chiron Siemens-Control CNC Alarms
Chiron controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 701105 on the Siemens-Control CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Chiron's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 545 Chiron Siemens-Control CNC codes.
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