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FANUC Alarm PNT1-285 — TPE Header size mismatch

FANUC PNT1-285 (“TPE Header size mismatch”): The teach pendant program header size is inadequate. First check: Try selecting the program, then selecting DETAIL, then NEXT, then END.

Updated 2026-09-17 · LogrobotLM reference

Description

The teach pendant program header size is inadequate. The program might have been created on an older software version. Or, the program header information might not be stored correctly.

Remedy

Try selecting the program, then selecting DETAIL, then NEXT, then END. If this does not work, create a new teach pendant program, and paste the lines from the old program into it.

Related codes

PNT1-283out of(strt,end)ext1 at line…PNT1-284TPE's motion group must be 1PNT1-286Uninitialized TPE position in program …PNT1-326Robot is bypassed

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 →