TROUBLESHOOTING & ERRORS

W010 – Drive unit temperature higher than normal

Restrictions:
Power assist may be lower than usual.

Remedy:
Stop using until temperature drops. If no improvement, contact place of purchase.

W011 – Cannot detect travel speed

Restrictions:
Max power assist speed may be lower than usual.

Remedy:
Check that speed sensor is properly installed. If no improvement, contact place of purchase.

W012 – Crank installed in incorrect direction or drive-unit setting angle

Remedy:
Reinstall the crank in the correct direction and angle, then turn power back on. If no improvement, contact your local dealer. 

W013 – Initialization of torque sensor not completed successfully

Restrictions:
Power assist may be lower than usual.

Remedy:
With foot off the pedal, press battery power button and turn on power again. If no improvement, contact place of purchase.

W030 – Two or more assist switches connected to the system

Restrictions:
Not possible to shift gears with electronic derailleurs 

Remedy:
If this error appears, consult your dealer.

W031 – Chain tension may not yet be adjusted or installation angle of cranks needs to be checked

Restrictions:
Assist functions don’t work, including power gear shifting.  

Remedy:
Visit dealer to have chain tension and installation angle of cranks checked.

W032 – Electronic derailleur may have been installed in place of mechanical derailleur

Restrictions:
Power assist in [WALK] mode may be lower than usual (NOTE: [Walk] mode may not be accessible in certain regions outside EU.)

Remedy:
Reinstall the derailleur for which the system is configured to support. If no improvement, contact place of purchase. 

E010 – System error detected

Restrictions:
No power assist while riding.

Remedy:
Restart the power system. If no improvement, connect unit to E-TUBE and follow instructions. If error persists, contact place of purchase. 

E011 – System operation error occurred

Restrictions:
No power assist while riding.

Remedy: 
Restart the power system. If no improvement, connect unit to E-TUBE and follow instructions. If error persists, contact place of purchase. 

E013 – Anomaly detected in drive unit’s firmware

Restrictions:
No power assist while riding. 

Remedy:
Restore drive unit's firmware by connecting to E-TUBE. If error persists, contact local dealer. 

E014 – Speed sensor may be installed in the wrong position

Restrictions:
No power assist while riding.

Remedy:
Amend position of speed sensor and magnet unit, turn on power and rotate crank clockwise until error resolves. This may take up to 100 rotations.

E020 – Communication error detected between battery and drive unit

Restrictions:
No power assist while riding.

Remedy:
Let your dealer check that the cable between drive unit and battery is properly connected. If cable is damaged, replace with new one. 

E021 – Battery connected to drive unit conforms with system standards but is not supported

Restrictions:
No power assist while riding.

Remedy:
Press battery’s power button to turn it on again. If no improvement, contact place of purchase.

E022 – Battery connected to drive unit does not conform with system standards

Restrictions:
A shutdown of all system functions.

Remedy:
Press battery’s power button to turn it on again. If no improvement, contact place of purchase.

E030 – “Total number of gears” setting for motor unit doesn’t match number of gears in internal geared hub

Restrictions:
No power assist while riding.

Remedy:
Let your dealer configure motor unit so that “total number of gears” setting matches number of gears in internal geared hub.

E031 – Chain tension may not yet be adjusted or cranks may not be installed in proper position

Restrictions:
Assist functions don’t work, including power gear shifting.

Remedy:
Let your dealer adjust chain tension and installation angle of cranks. Then select “Yes” in response to W031, which displays when power is turned on for the first time.

E043 – Error detected in bike computer’s firmware

Restrictions:
No power assist while riding.

Remedy:
Let your dealer restore bike computer’s firmware using E-TUBE.

Complete list

Where to find more troubleshooting warnings and errors?
For a complete list, visit our tech page at si.shimano.com.