FANUC Alarm PRIO-083 — STOP Digital I/O is not recovered
Error- Hardware
- I/O Link and process I/O
- Controllers
- R-J3iB / R-30iA
- FANUC class
- PAUSE.G
- Hardware family
- FANUC I/O Link, process I/O board, fuse and output alarms
FANUC PRIO-083 (“STOP Digital I/O is not recovered”): Digital output port states are not recovered when semi-hot start is enabled be I/O device configuration or assignments have changed. First check: Cold start the application.
Updated 2026-10-22 · LogrobotLM reference
Description
Digital output port states are not recovered when semi-hot start is enabled be I/O device configuration or assignments have changed. All outputs will be reset to OFF.
Remedy
Cold start the application.
Field diagnosis
At semi-hot start, the output state could not be restored because the I/O configuration or assignment has changed; all outputs are reset to OFF.
What to check
- Perform a Cold start of the application.
- Note: After a process board replacement, this code is expected once.
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 →