LogrobotLM

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FANUC Alarm VARS-063 — … CMOS lost/reallocated

Manufacturer wording — [%s]%s CMOS lost/reallocated
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC VARS-063 (“… CMOS lost/reallocated”): The CMOS memory for the named variable was corrupted. First check: The named variable will be set to Uninitialized in the process and might need to be set back to a valid initial value.

Updated 2026-09-17 · LogrobotLM reference

Description

The CMOS memory for the named variable was corrupted. This named variable was reallocated as a result of the corruption.

Remedy

The named variable will be set to Uninitialized in the process and might need to be set back to a valid initial value. In general, the only way to recover is an initial start.

Related codes

VARS-061No more user types availableVARS-062No variable or program nameVARS-107Illegal array operationVARS-124BASE

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 →