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3 Troubleshooting Guide
3.1 Troubleshooting Guide
《TROUBLE》
Does not operate
(spin)
《CHECK》
<CHECK BATTERY PACK>
If no less than 10.8V DC is available across the (+)
and (-) terminals, the battery pack is OK.
Note: The battery pack is sold separately as an
optional accessory. See the nearest sales dealer
for details. The battery pack has a limited life.
The pack should be replaced if
- after being charged for the rated charging time
the battery voltage is less than 10.8V or the
usable time is extremely short.
<CHECK TERMINAL CONNECTIONS BETWEEN
MAIN UNIT AND BATTERY PACK>
• There are no much gull.
• Terminal connections are not blackened and allow
conduction.
• Terminal connections are not rusty or deformed.
<CHECK MOTOR AND PCB BLOCK>
After attaching the battery pack, removing the tool
housing, and removing the motor and gear case block,
pull the trigger and check whether the motor operates.
<CHECK MOTOR PINION>
Verify that the pinion is not cracked.
<CHECK LEAD WIRE>
Check if there is no breakage of lead wires.
<CHECK DRIVING BLOCK>
Check whether the motor operates after attaching the
spindle block and hammer block
ＯＫ
ＯＫ
ＯＫ
ＯＫ
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3
《REMEDY》
ＮＯ
Replace battery pack.
ＮＯ
Replace motor and
PCB block.
ＮＯ
Replace motor and
PCB block.
ＮＯ
Replace motor and
PCB block.
ＮＯ
Replace motor and
PCB block.
ＮＯ
Replace spindle
block or hammer
block.
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