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型号

症状

The bit passed initial insertion, but backs out, falls free, or loses drive while the chuck body stays secure.
The motor runs normally, but the LED is dead, dim, or intermittent with trigger use.
The trigger returns normally and power drops, but the anvil repeatedly coasts instead of stopping promptly.
The motor can be heard, but the front output remains still in both directions with the bit removed.
The bit rotates, but no impact pulses begin when a correct fastener provides normal resistance.
The accessory catches or stops in the material and the tool reacts sharply in the hand.
The collar pulls, but the bit will not come out, or a short/broken piece is recessed in the chuck.
WORKLIGHT COMES ON, BUT THE MOTOR WILL NOT START
A straight bit traces a visible circle at no load instead of rotating on a stable centerline.
NO WORKLIGHT OR MOTOR RESPONSE
The release button moves poorly or the pack remains trapped on the tool rails.
The housing, handle, rails, nose, vents, lens, or accessory mount is cracked or loose.
The direction button jams, will not hold center lock, or the tool runs in only one direction.
The quick-release collar is stuck, has limited travel, or does not spring back after it is pulled.
The trigger binds or does not spring fully OFF, or the motor keeps running after the trigger is released.
The trigger lights the work area, but the motor stays silent and the quick-release chuck does not turn.
Kerah menarik tetapi aksesori yang terpasang tidak keluar, atau potongan patah terjebak di chuck.
工具完全死機 - 無LED或MOTOR
The tool or pack becomes unusually hot, or operation stops only after heat builds.
The tool starts and runs at no load, but stops abruptly on an ordinary fastener with no jam or twist.

故障模式

part