News

Adminubestplc - 25 October - 2026

IC693CPU360 Restarts: Thermal Shutdown vs Power Ripple

Diagnose IC693CPU360 PLC restarts caused by thermal shutdown or 5V ripple. Practical test steps and fixes inside.

Adminubestplc - 19 October - 2026

IC693CPU370 Checksum Error: RAM vs Packet Loss

Diagnose IC693CPU370 check-sum errors: RAM corruption vs serial packet loss. Field thresholds and fixes inside.

Adminubestplc - 14 October - 2026

Fixing GE Fanuc IC693CPU372 STOP Mode Lockout

Fix GE Fanuc IC693CPU372 STOP mode errors with software overrides and diagnostic steps.

Adminubestplc - 12 October - 2026

IC693PWR325 Internal Fuse Replacement Guide

IC693PWR325 internal fuse guide: 5A time-delay, Bussmann MDL-5, Littelfuse 313005, and replacement tips.

Adminubestplc - 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.

Adminubestplc - 07 October - 2026

IC693PWR325 Fuse Guide: Specs, Replacements & Maintenance

IC693PWR325 fuse specs, Bussmann MDL-5 alternatives, and maintenance tips for GE Fanuc PLC power modules.