FM-20: 充電器發出新嘅大聲嗡嗡聲或內部鬆動嘅響聲

FM-20 充電器發出新嘅大聲嗡嗡聲或內部鬆動嘅響聲

• Hollow or unstable surface amplifies normal vibration
• Internal magnetic component is vibrating excessively
• Impact loosened an internal mount or component
• Housing fit or foot support is no longer stable
• An internal electrical or mechanical fault is developing

1. The charger returns to normal quiet operation on a stable surface, or the abnormal-noise charger is removed from service.

1. If no hazard or damage exists, perform one supervised comparison with a room-temperature known-good pack and stop immediately if heat, odor, interruption, or visible change appears.
2. If the loud buzz or internal rattle remains new or abnormal, remove the charger from service for authorized evaluation or replacement.
3. Unplug the charger and remove the battery before evaluating the new noise; do not shake or open the housing.
4. Place the charger on a solid level surface and inspect for impact marks, loose feet, cracks, heat, odor, or debris; use FM-12, FM-15, FM-16, or FM-18 if present.

这是完整维修手册中所含故障排除指南的预览。

• DCB115出現新嘅大聲電流嗡嗡聲或鬆動嘅零件響聲，之前冇。冇煙、火花、燒焦氣味、異常熱度、液體、可見外殼裂紋或充電中斷。

  DCB115出現新嘅大聲電嗡嗡聲或者之前冇嘅 拔掉充電器電源同拆除battery先評估新嘅聲音；唔好搖動或打開外殼。

• 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。