| Alarm Code | Axis Affected | Description | |------------|---------------|-------------| | 414 | X axis | X-axis digital servo system error | | 424 | Y axis | Y-axis digital servo system error | | 434 | Z axis | Z-axis digital servo system error |
: Internal damage to the Servo Amplifier Module (e.g., a burned-out IGBT).
To repack a faulty component:
[ 414 Z-Axis Alarm Occurs ] │ ┌──────────────┴──────────────┐ [ Power Cycle ] [ Check LED on Amp ] │ │ Does alarm clear immediately? Is it 8, 9, or A? ├── Yes -> Intermittent ├── Yes -> Short Circuit Test └── No -> Persistent └── No -> Check Comm/Voltage Step 1: Perform an Insulation and Ground Test (Megger Test) Turn off the main machine breaker and lock out power.
A faulty encoder or disconnected feedback cable can cause the system to lose its "sense" of position. Diagnostic Cheat Sheet fanuc 414 servo alarm z axis detect error repack
20 Mar 2021 — How to Diagnose a Fanuc 414 Servo Alarm: * Access the electronics cabinet with the power on (WARNING: Hazardous voltage inside). * TIE Industrial Fanucworld Diagnose a Fanuc High Current Alarm in 10-Steps
Complete Guide to Resolving the Fanuc 414 Servo Alarm (Z-Axis Detect Error & Repack) The Fanuc 414 Servo Alarm Go to product viewer dialog for this item. | Alarm Code | Axis Affected | Description
: Open the electronics cabinet (while powered) and look for an 8, 9, or A on the servo amplifier's LED. 8 : L-axis (typically first axis) 9 : M-axis (typically second axis) A : N-axis (typically third axis).
You cannot fix a problem you do not understand. Here are the six primary reasons for this alarm, ranked by probability. ├── Yes -> Intermittent ├── Yes -> Short