failure mode

FM-21: 砂光機喺普通負載下反覆熄火

工具空載運行,但喺正常輕度打磨時反覆斷電。

诊断概览

工具空載運行,但喺正常輕度打磨時反覆斷電。

可能根本原因

  • Battery protection opens under load
  • Contacts or battery are weak
  • Vents are blocked or tool is overheated
  • Pad/drive friction or controller fault

快速检查

  1. The sander runs continuously under ordinary light sanding load.

维修预览

  1. Set O, remove the battery, let both cool, and clear every external vent.
  2. 確認墊自由移動、新砂碟、輕壓力同無阻塞嘅塵路。
  3. 用已知良好嘅充電battery重複短暫測試。
  4. 如果斷電喺普通負載下重現,停止使用並使用授權維修服務。

这是完整维修手册中所含故障排除指南的预览。

常见修复

  • 端子接觸點
  • 無刷 motor 同風扇

相关症状

  • 砂光機喺普通負載下反覆熄火

    工具空載運行,但喺正常輕度打磨時反覆斷電。

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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