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コード 207312: <location>Bypass LSS:

問題の説明と安全警告

Siemens SINUMERIK 840D CNC は重大な <location>Bypass LSS: アラームをトリガーしました。製造サイクル中に機器への二次的損傷や部品の破損を防ぐために、資格のあるオペレーターまたはメンテナンス技術者による直ちの対応が必要です。電気キャビネットにアクセスする前に、必ず標準の安全およびLOTO手順が遵守されていることを確認してください。

公式トラブルシューティング手順

Message value: Fault cause: %1 bin Drive object: SERVO, VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY Cause: Fault value: Bit field BYPASS_CONTACTOR_ERROR_STATE Bit 1 BYPASS_CONTACTOR_ERR_FBK_ON_MISSING Switch "Closed" feedback signal missing Bit 2 BYPASS_CONTACTOR_ERR_FBK_OFF_MISSING Switch "opened" feedback signal missing Bit 3 BYPASS_CONTACTOR_ERR_TOO_SLOW Switch feedback signal too slow: After switching, the system waits for the posit ive feedback signal. If the f eedback signal is received later than the specified time, then a fault trip (shutdown) is issued. Bit 6 BYPASS_CONTACTOR_ERR_BYPASS_INCONSISTENCY Line Side Switch feedback signal is not consistent with the bypass state: When powering up or for STAGING, the Line Side Sw itch is closed without this having been requested from the bypass. See also: p1260 (Bypass configuration), r1261 (Byp ass control/status word), p1266 (Bypass, control command), p1267 (Bypass changeover source confi guration), p1269 (Bypass switch feedback signal), p1274 (Bypass switch monitoring time) Remedy: - check the transfer of the feedback signals. - check the switch

Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

Siemens SINUMERIK 840D CNC のアラームについて

Siemens によって構築された産業用コントローラーは、内部回路と機械的リンケージを保護するための広範な診断システムで設計されています。SINUMERIK 840D CNC が 207312 のようなエラーコードをスローする場合、通常、指令値と実際のセンサーフィードバック間の不一致を示します。

完全アラーム一覧: 4014 Siemens SINUMERIK 840D CNC コードs.

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