MY22Z0a - 12_1.0_25.07.2022
241
Troubleshooting, fault clearance and repair
9.1.8 Problems with hub gear
Symptom Cause Remedy
A noise is heard when the
pedals are turning.
All gear speeds except 1.
This is not a malfunction.
A noise is heard when the
pedelec is pushed
backwards.
All gear speeds except 1.
Noises and vibrations
occur on switching on.
All gear speeds.
Gear shifting feels
different, depending on
the gear speed.
All gear speeds.
A noise is heard
whenever the rider isn’t
pedalling while riding.
All gear speeds.
The gears are difficult to
engage.
The cable has not been installed
properly.
Contact specialist dealer.
The gear shift unit has been set to the
override state.
Contact specialist dealer. (readjust gear shift unit)
Gears cannot be engaged
smoothly.
Shift cable tension setting not correct.
Carefully pull the adjusting sleeve away from the shifter
housing, turning it as you do so.
Check the gear shift function after each adjustment.
The gear speed cannot be
changed.
The cable was not set correctly.
Contact specialist dealer. (Reset gear shift unit; check
whether the gear speed can be changed when the wheel is
detached from the frame.)
Strange noises are
produced
When switching gears
Contact specialist dealer.
When pedalling
The gear speed shown on
the indicator differs from
the speed in the hub.
The cable was not set correctly.
Contact specialist dealer.
The internal unit has a defect.
The hub rotates with
difficultly only or does not
rotate smoothly.
The cone is firmly positioned.
Contact specialist dealer.
The internal unit has a defect.
Contact specialist dealer.
A rattling noise is heard
when pedalling.
The section around the cone is
damaged.
Contact specialist dealer.
Free rotation is not
smooth if the rider does
not pedal.
Contact specialist dealer.
The brakes are too
sensitive.
Contact specialist dealer.
The brakes are not strong
enough.
Contact specialist dealer.
The rider needs to push
the pedals too far back
before the brakes
engage.
Contact specialist dealer.
The wheels block if the
pedelec is pushed
backwards.
Contact specialist dealer.
Table 65: Error solution for limit stop
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