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702：Rotor position at synchronous machine is unknown同步電機的轉(zhuǎn)子位置未知。

The rotor position of the synchronous drive is unknown. 同步驅(qū)動器的轉(zhuǎn)子位置未知。

鮑米勒伺服控制器702報警維修：

Either the rotor position offset or the absolute position could not be read from

the encoder or the synchronous drive is used with a incremental encoder and a rotor position identification has not been executed yet.無法讀取轉(zhuǎn)子位置偏移或絕對位置編碼器或同步驅(qū)動器與增量編碼器一起使用，并且轉(zhuǎn)子位置識別尚未執(zhí)行。

The error is also set if the encoder is switched off but the motor configuration needs an encoder. 如果編碼器關(guān)閉，但電機配置需要編碼器，也會設(shè)置錯誤。

Reset of the error is possible. The error is set again if the cause of the error has not been corrected.可以重置錯誤。如果錯誤原因尚未糾正，則會再次設(shè)置錯誤。

Cause: 原因：

For some encoders, the absolute position can partially no longer be read out due to contamination of the code dial.

對于某些編碼器，由于碼盤受到污染，絕對位置部分無法再讀取。

Remedy: 補救措施：

Replace encoder.更換編碼器。

Cause: 原因：

Encoder cable defective

編碼器電纜有缺陷

Remedy: 補救措施：

Checking of encoder cable, and replacements if applicable

檢查編碼器電纜，如有更換

Cause: 原因：

Encoder defective.編碼器有缺陷。

Remedy:補救措施：

Replace encoder and carry out new notch angle run!

更換編碼器并運行新的缺口角度！