failure mode

FM-08: 速度刻度盤無法轉動全範圍

斷電時,速度撥盤卡住或唔能夠行過標記範圍。

诊断概览

斷電時,速度撥盤卡住或唔能夠行過標記範圍。

可能根本原因

  • Packed dust around the dial
  • Impact damage to dial or top cover
  • Dial is pinched by housing distortion
  • Internal speed-control mechanism fault

快速检查

  1. The dial moves smoothly through the complete range.

维修预览

  1. Remove the battery and dry-brush the gap around the speed dial.
  2. - 輕輕轉動撥盤全範圍
  3. 檢查頂蓋有無撞擊變形接觸撥盤。
  4. 如果自由行程未恢復,停止使用工具並進行控制維修。

这是完整维修手册中所含故障排除指南的预览。

常见修复

  • 速度控制撥盤

相关症状

  • 速度刻度盤無法轉動全範圍

    斷電時,速度撥盤卡住或唔能夠行過標記範圍。

包含在完整手册中

  • root cause analysis
  • tools needed
  • step-by-step repair procedure
  • diagrams
  • exploded views
  • post-repair checks

公开页面仅显示预览。购买完整手册以下载全部维修步骤、图示和验证流程。

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