力士樂(lè)kdv系列伺服驅(qū)動(dòng)器維修：F822 Motor Encoder Failure: Signal too Small電機(jī)編碼器故障：信號(hào)太小。Description:說(shuō)明：The motor encoder signals are monitored. 監(jiān)測(cè)電機(jī)編碼器信號(hào)。
If the signal amplitudes as measured via AK1 and AK2 are outside of the allowable region between Uss = 12.0V and Uss = 18.0 V, then the error message appears. 如果通過(guò)AK1和AK2測(cè)量的信號(hào)幅度在Uss=12.0V和Uss=18.0V之間的允許范圍之外，則出現(xiàn)錯(cuò)誤消息。
The drive becomes torque-free and an optional brake is immediately activated.驅(qū)動(dòng)器無(wú)扭矩，可選制動(dòng)器立即啟動(dòng)。
Cause:
1. Defective feedback cable.
反饋電纜有缺陷
2. Defective feedback.
反饋有缺陷。
Remedy:補(bǔ)救措施：
For 1. Check the feedback cable.Lay the power cables separate from the feedback cable..檢查反饋電纜。將電源電纜與反饋電纜分開(kāi)敷設(shè)。
The cable shield must be connected to the drive controller.
(See also project reference of the drive control).
電纜屏蔽必須連接到驅(qū)動(dòng)器控制器。（另請(qǐng)參見(jiàn)驅(qū)動(dòng)控制的項(xiàng)目參考）。
For 2. Exchange motor.更換電機(jī)。
Note: This error can only be cleared in parametrization mode (phase
2). As a result of this error, the encoder emulation is switched off.
注：此錯(cuò)誤只能在參數(shù)化模式（第2階段）下清除。由于此錯(cuò)誤，編碼器仿真被關(guān)閉。
轉(zhuǎn)載請(qǐng)注明出處：上海仰光電子科技專業(yè)伺服驅(qū)動(dòng)器維修,伺服電機(jī)維修
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