ABB Error 50296 — SMB memory / data mismatch
WarningABB 50296 (“SMB memory / data mismatch”): The data stored in the SMB does not match the controller's (robot memory vs cabinet). Likely part: Mémoire SMB / Mémoire armoire (memory SMB / memory cabinet).
Updated 2026-09-17 · LogrobotLM reference
What it means
The data stored in the SMB does not match the controller's (robot memory vs cabinet). Typical after swapping an SMB, a motor or restoring a system.
What to check
- Decide which side holds the TRUE data (cabinet vs SMB) before any transfer.
- Follow the update direction accordingly; verify axis calibration afterwards.
Part to check / replace
ABB 50296 points to the hardware below — start here before ordering.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →