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501
Negative Overtravel Limit Exceeded
Fanuc · Alpha i series AC Servo Motor
Hva betyr 501 ?
The machine has exceeded its negative stroke limit. This indicates a physical limit switch activation or an incorrect move command, which can cause mechanical interference or damage.
Vanlige årsaker
- Negative stroke limit switch (*-OT) is incorrectly connected or activated
- Incorrect move command specified, leading to overtravel
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Check whether *-OT is connected correctly
- 2
Check whether a correct move command is specified
- 3
Move the tool in the opposite direction in jog mode, then perform a reset
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Fanuc Alpha i series AC Servo Motor