Washer
O ring
Battery
Operation
Phenomenon
Noise
(metallic or
other noise)
Enabled
Low
vibration
No
vibration
Humming
noise
No sound
Disabled
Turning it
for a short
period of
time to stop
the operation
1English1
Determine depending on the wear (visual)
Determine depending on the wear (visual)
Determine depending on charger display
(visual)
TROUBLESHOOTING
Bad bearings
(Rough, Worn)
Deterioration of the grease
Wear of head assembly
(bearing mounting part)
Motor abnormality
Battery abnormality
Fracture of flexible shaft
Damage to spring assembly
Bad bearings
(Locking/Broken)
Motor abnormality
Battery failure
Broken lead wire
Motor abnormality
Low voltage protection in
battery
Over heat protection in
battery
English
Cause
-15
Upon found
Upon found
Upon found
Action
Replace the bearings.
Replace the grease.
Replace head assembly.
Replace the motor.
Replace the battery.
Replace flexible shaft.
Replacement of spring
assembly.
Replace the bearings.
Replace the motor.
Charging/Replacing
Batteries.
Repair or replace motor.
Replace the motor.
Replace the battery
Replace the battery or
cooling battery