Max Rebartier RB401T-E(CE) Mode D'emploi Et Consignes De Sécurité page 21

<When no buzzer sounds but malfunction is suspected>
Symptom
Main switch is "ON" but
does not work
The tool does not
operate even if placed
against the rebar and
lowered.
Product does not
function
Tying is not proper
Twisted off
Tension is too loose
Tie form is notably
deformed
Increased frequency of
jamming
LED blinks
Possible cause
Dead battery
The arm or curl guide is hitting an
obstruction.
Auto Power-off feature operated
Wire is touching rebars while tying
Rebar size is not applicable
Tension adjustment dial is too tight
Rebar size is not applicable
Tension adjustment dial is too
loose
Worn or broken parts
Tool is at an angle
Switch to a new battery and confirm
whether it works
Use rebar within the applicable
diameter.
Change the Attachment to the short
type.
Try switching the Main switch (Fig.1.e)
from OFF to ON
Tie so that wire is not touching rebars
Use with supported rebars diameters
Adjust Torque dial (Fig.1.c)
Use with supported rebar diameters
Adjust Torque dial tighter (Fig.1.c)
Immediately discontinue operation and
set the Main switch (Fig.22.e) at "OFF"
and remove the Battery pack
(Fig.22.5) before consulting. Then
contact the dealer where the tool was
purchased or MAX CO., LTD.
authorized distributors.
The LED blinks when the tool is not
facing downward while in standby,
but this is not an error. Face the tool
downward when performing actual
tying.
21
Procedures to follow