The main Shimano error codes
Error message
W010 A high-temperature
abnormality was detected
in the drive unit.
W101 (W011) No bicycle
speed signal was detected
from the speed sensor.
W012 The crank may be
installed in the wrong
direction.
W103 (W013) Sensor
initialization could not be
completed normally
W030 Two or more assist
switches connected to the
system
E010 An abnormality was
detected in the drive unit.
E011 – System operation
error occurred
E012 Sensor initialization
could not be completed
normally.
Restrictions
Solutions
Assistance will
Do not ride the bicycle with the assist mode enabled until
be lower than
the drive unit temperature drops.
normal.
If the error persists, contact your place of purchase or a
distributor for assistance.
The maximum
Have your place of purchase perform the following.
speed up to
Install the speed sensor in the appropriate location.
which assist is
Install the magnet in the appropriate location.
provided will
(Refer to the ""Disc brake"" section in ""General
be lower than
operations"" or to the STEPS series dealer's manual for
normal.
how to install the removed magnet.)
If the error persists, or if the information above does not
apply, contact your distributor for assistance.
-
Have your place of purchase perform the following.
Re-install the crank in the specified direction, then turn
the power back ON.
If the error persists, contact your distributor for
assistance.
Assistance will
Press the battery power button to turn the power OFF
be lower than
and then ON again without placing your feet on the
normal.
pedals.
If the error persists, contact your place of purchase or a
distributor for assistance.
Not possible
If this error appears, consult your dealer.
to shift gears
with electronic
derailleurs
Assist will not be
Refer to the SHIMANO STEPS user's manual and perform
provided when
the following.
riding
Turn the power OFF and then ON again.
If the error persists, stop using it and contact your place
of purchase or a distributor for assistance.
No power assist
Restart the power system. If no improvement, connect
while riding.
unit to E-TUBE and follow instructions. If error persists,
contact place of purchase.
Assist will not be
Press the battery power button to turn the power OFF
provided when
and then ON again without placing your feet on the
riding.
pedals.
Or, have your place of purchase perform the following.
Adjust the chain tension.
If the error persists, contact your distributor for
assistance.
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