ABB PLCs Troubleshooting & Procedures
ABB is a global leader in industrial robotics and automation. ABB robots run RobotWare on IRC5 and OmniCore controllers, programmed in RAPID.
Step-by-step procedures
- ABB AC500 — ERR LED Diagnosis & Clearing (diagack) — An ABB AC500 ERR LED carries a class-and-number error code you read in Automation Builder. Find the flagged module, fix the cause, then clear with 'diagack all' in the PLC Browser or the Diag/OK buttons.