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SV0304
APC ALARM: PARITY ERROR
Fanuc · Alpha i Series Servo Amplifier
Was bedeutet SV0304 ?
A parity error was detected during data transfer from the absolute-position detector, making it impossible to obtain the correct machine position. This error points to a potential defect in the absolute-position detector, its cable, or the servo interface module.
Häufige Ursachen
- Parity bit error in the data transmitted by the APC.
- Corrupted data bits in the transmission stream.
- Faulty APC encoder generating incorrect parity.
- Environmental noise corrupting data during transfer.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify parity setting (even/odd) in CNC communication parameters.
- 2
Measure APC encoder output for signal integrity and bit stability.
- 3
Check APC encoder for loose internal connections.
- 4
Shield communication cables to prevent external interference.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Fanuc Alpha i Series Servo Amplifier