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4.3 ERROR CODES
4.3.1 ERROR CODES ON CONTROL PANEL
If the tool or the battery pack is abnormal, an error code blinks on the control panel.
Before requesting repair, take the following action.
Send it for repair if there is no improvement even after the following action.
Display
Abnormality in the tool's internal
memory or the communication line,
wireless communication, etc.
The battery pack is hot.
The motor of the tool is hot.
Abnormality in the connectors between
the tool and the battery pack
Overload, failure in the motor, etc.
Error in USB communication with the
Tool Manager software
Break in the USB cable, external noise
Abnormality, failure, etc. in the tool's
circuit
Error in wireless communication with
the controller
The operation range limitation function
is active (only when using EYFRW2)
① Abnormality, failure, etc. in the torque
sensor
② Excessive work time (Excessive
measurement data)
③ Judged NOK
The button battery inside the tool has
run out.
Excessive batch workload in [Wireless
Communication Mode]
(Excess of the capacity of memory
temporarily storing communication data)
CAUTION
• Overload protection (E5) may function if you tighten or loosen the bolt that has been
tightened up.
EN
Possible cause
Remove and attach the battery pack once, and then restart
the tool.
If the problem persists, perform the initialization.
(With "E1" displayed, press and hold the LED button for
about 10 seconds.)
In Wireless Communication Mode, also check the condition
of the controller.
Interrupt work, and replace the battery pack, or wait for the
battery pack temperature to fall before use.
Interrupt work, and wait for the motor temperature to fall
before use.
Check whether there is any foreign body or wear in the
connectors.
Or replace the battery pack.
Check whether the job suits the capacity of the tool.
Check the USB cable for connection.
Replace the USB cable.
Change the workplace.
Restart the tool and the controller.
Check for communication, with another normal tool.
If the error persists, contact the manufacturer of the controller.
• Remove and then set the battery pack within the wireless
coverage before using again.
• If the problem persists after you remove and then set
the battery pack, check the controller and the peripheral
devices.
①
: Pull the trigger switch and restart the tool.
②③ : Work again in [Stand Alone Mode], and check the
error description from the history log. Reconsider the
configured parameters.
Reconsider the workload in a batch.
Select a setting other than [After Batch Complete] for Set
[Graph Sending/Storing Timing].
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