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FANUC Alarm TPIF-166FWD/BWD in left window only

FANUC TPIF-166 (“FWD/BWD in left window only”): When the focus is in the right hand window of the teach pendant, you cannot execute the program. First check: Press DISP to change the focus to the left hand window.

Updated 2026-08-29 · LogrobotLM reference

Description

When the focus is in the right hand window of the teach pendant, you cannot execute the program.

Remedy · Remède

Press DISP to change the focus to the left hand window. Use DISPLAY menu item EDIT <--> EDIT to swap the right hand program with the left hand program.

Frequently asked · Questions fréquentes

What does FANUC alarm TPIF-166 mean?
FANUC TPIF-166 (“FWD/BWD in left window only”): When the focus is in the right hand window of the teach pendant, you cannot execute the program.
How do you troubleshoot FANUC alarm TPIF-166?
Press DISP to change the focus to the left hand window. Use DISPLAY menu item EDIT <--> EDIT to swap the right hand program with the left hand program.

Related codes / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →