Machine Alarms
73 entries in this category — Page 4 of 4
Injection molding machine alarm codes and diagnostic guides for Netstal, Arburg, Engel, Sumitomo Demag, KraussMaffei, Wittmann Battenfeld, Fanuc Roboshot, Haitian, Milacron, and other precision molding equipment. Each alarm entry provides: error code definition, root cause analysis, step-by-step troubleshooting procedures, cross-reference to equivalent alarms on other machine brands, and preventive maintenance recommendations. Essential for maintenance technicians, process engineers, and production managers reducing injection molding downtime.
Netstal ELION 4200 Clamp Force Monitoring Error — Troubleshooting Guide
Severity: High (Machine Stop) · Clamp Force Sensor / Strain Gauge Bridge / Tie Bar
Netstal ELION 4200 indicates that the clamp force closed-loop control system has detected a deviation exceeding the configured tolerance band...
View Details →Arburg SELOGICA 6200 Screw Recovery Timeout Alarm — Root Cause & Fix
Severity: High (Cycle Interruption) · Screw Drive Motor / Heater Bands / Non-Return Valve
Arburg SELOGICA alarm 6200 is triggered when the screw recovery (plasticizing) time exceeds the programmed maximum. This means the screw is taking...
View Details →Sumitomo Demag E330 Injection Pressure Spike Alarm — Diagnostics & Repair
Severity: High (Machine Stop) · Injection Pressure Transducer / Hydraulic Proportional Valve / Mold Blockage
Sumitomo Demag alarm E330 is triggered when the injection pressure transducer detects a pressure spike exceeding the maximum setpoint during the...
View Details →KraussMaffei MC66 Backpressure Instability Alarm — Troubleshooting
Severity: Moderate (Process Warning — does not stop production but produces inconsistent parts) · Backpressure Hydraulic Circuit / Non-Return Valve / Barrel Temperature Control
KraussMaffei MC66 is a process warning — not a machine-stop alarm — indicating that the backpressure during screw recovery (plasticizing) is...
View Details →Fanuc Roboshot SV0600 Injection Unit Servo Overload — Causes & Solutions
Severity: High (Machine Stop) · Injection Servo Motor / Amplifier / Ball Screw / Linear Guides
Fanuc Roboshot SV0600 is a servo amplifier overload alarm for the injection axis. The Fanuc servo amplifier monitors the motor current and...
View Details →Fanuc Roboshot SV0441 Servo Alarm: Motor Overload or Excessive Current Draw — Troubleshooting Guide
Severity: High (Machine Stop) · Servo Motor / Amplifier
Fanuc Roboshot SV0441 indicates the servo amplifier has detected excessive current draw from the servo motor — typically caused by mechanical...
View Details →Arburg Error 320: Injection Unit Thermocouple Failure
Severity: High (Machine Stop) · Injection Unit Thermocouple
Arburg Error 320: Barrel heating zone 3 thermocouple signal lost. Check thermocouple wiring and connector at zone 3. Common after mold changes...
View Details →Engel Alarm 405: Nozzle Contact Force Below Setpoint
Severity: High (Machine Stop) · Nozzle Contact Force Sensor
Engel Alarm 405: Nozzle contact force below setpoint. The injection unit nozzle is not sealing against the sprue bushing. Check carriage cylinder...
View Details →KraussMaffei Error E120: Clamp Pressure Below Minimum
Severity: Medium (Cycle Interrupt) · Mold Clamp Pressure Switch
KraussMaffei Error E120: Clamp pressure below minimum during injection. Mold may not be fully closed or clamp force setting is insufficient for...
View Details →Fanuc Roboshot SV0300: Servo Amplifier Overcurrent
Severity: High (Servo Off) · Servo Amplifier Overcurrent
Fanuc Roboshot Alarm SV0300: Servo amplifier overcurrent detected on injection axis. Check for mechanical binding in injection unit, excessive...
View Details →Sumitomo Demag Error E101: Plasticizing Motor Overload
Severity: High (Machine Stop) · Servo Drive Overload
Sumitomo Demag Error E101: Plasticizing motor overload. Screw rotation torque exceeds limit. Possible causes: material bridging in hopper, barrel...
View Details →Toshiba EC650: Injection Servo Overload — Troubleshooting Guide
Severity: High (Machine Stop) · Servo Drive Module
Toshiba EC650 alarm indicates an injection servo drive overload. Check for mechanical binding in the injection unit or a failing servo amplifier module.
View Details →Haitian Error E77: Injection Pressure Sensor Malfunction
Severity: High · Pressure Transducer
Haitian E77 indicates the injection pressure sensor is returning implausible values. Check wiring and verify with calibrated gauge.
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