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Troubleshooting (1)
Symptom/Panel Display
Torque displayed on the panel
does not reach the pre-set
torque. ( *1 )
Main Unit
Reaches to the pre-set torque
and stops automatically before
the nut/bolt is bottomed out.
Even though the throttle lever is
pressed, the spindle slowly rotates
in the reverse direction against the Batteries are not properly placed
Battery
rotative direction (Reverse Lever). in the battery housing.
Controller
(XX is indicated with 2 digit
number)
(X is indicated with 1 digit number)
Others
( *1 )
If something wrong with the machine, please release the throttle lever and stop operating the machine.
( *2 )
Please refer the next page "troubleshooting (2) and (3)" for error codes.
Causes
Air pressure is decreased when
operating.
The torque can be set incorrectly. the value again.
Abnormality on the thread surface Replace the nut/bolt with new one.
(due to seizure of thread or others)
Batteries are not inserted.
is displayed.
( *2 ) Batteries are running low.
is displayed and turned
off immediately.
Failure of the controller (CPU).
( *2 )
is displayed and turned
off immediately.
Troubles other than the main unit. Please refer the next page.
( *2 )
is displayed and turned Exceeded the torque limit for
off immediately.
loosening.
may be displayed in this case.
Measures
Eliminate the cause and check the
air compressor or others.
Check the pre-set torque and re-set
Insert batteries.
Securely set batteries in place.
Replace batteries with new ones.
Please refer the next page.
Please refer the next page.
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