News
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15 October - 2026
IC693CPU366 Loss of Synchronization Fix for PLC Redundancy
Fix IC693CPU366 Loss of Synchronization in GE Fanuc Series 90-30. Learn causes, diagnostics, and bumpless switchover best practices.
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14 October - 2026
Fixing GE Fanuc IC693CPU372 STOP Mode Lockout
Fix GE Fanuc IC693CPU372 STOP mode errors with software overrides and diagnostic steps.
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13 October - 2026
IC693CPU374 System Fault: Flash Memory or Firmware?
IC693CPU374 System Fault lockup? Learn flash memory, firmware, and RAM causes. Diagnostic steps for GE Fanuc Series 90-30 PLC downtime.
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12 October - 2026
IC693PWR325 Internal Fuse Replacement Guide
IC693PWR325 internal fuse guide: 5A time-delay, Bussmann MDL-5, Littelfuse 313005, and replacement tips.
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11 October - 2026
GE Fanuc CPU350 to CPU360 Migration: Fix Logicmaster 90 Recognition
Fix Logicmaster 90 recognition for GE Fanuc CPU350 to CPU360 migration. Firmware, software, and Proficy steps.
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09 October - 2026
IC693CPU321 Watchdog Timeout: Scan Overrun vs Hardware Failure
Diagnose IC693CPU321 watchdog timeout in Series 90-30 PLC. Learn scan overrun vs hardware failure causes, firmware fixes, and power supply checks.