Welkin WKES001, User Manual

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18
Q: What happens if the battery discharges while riding?
A : Pedal assistance will stop when battery charge reaches a minimum level (check level on the
console,if applicable). Lights (if applicable) may still function for a period. Your bike can be
ridden without pedal assistance.
Troubleshooting
Malfunction Possible Cause Possible Solution
Pedal assistance not
working
1. Under-charged battery.
2. Battery no longer
serviceable.
3.
Battery charger faulty.
4. Motor electrics or switches
damaged/faulty.
1.
Charge the battery. Follow
the battery care procedures
2. Have the battery checked,
Replace if faulty.
3. Have charger checked.
Replace if faulty.
4. Seek diagnosis and repair
from authorized service
centre.
Reduced range
and/or speed
1. Under-charged battery.
2. Battery no longer
serviceable.
3. Low tyre pressure.
4. Brakes dragging.
5. Terrain, headwind, etc.
1. Charge the battery, Follow
the battery care procedures.
2. Have the battery checked,
Replace if faulty.
3. Inflate to recommended
pressure.
4. Adjust.
5. Normal
Gear change (where
applicable) rough /
not changing
1. Derailleur cables sticking /
stretched / damaged.
2. Derailleurs / shifter not
correctly set.
1. Lubricate / adjust / replace
cables.
2. Adjust.
Chain slip / Jumping off
sprockets
1. Worn sprockets.
2. Stretched chain.
3. Front sprocket loose / out
of true.
4. Sprocket teeth bent /
broken.
5. Derailleur / shifter not
correctly adjusted.
1. Replace.
2. Replace.
3. Re-true / tighten.
4. Replace.
5. Adjust.
Clicking noises
when pedaling
1. Stiff chain link.
2. Loose pedals / bearings.
3. Loose bottom bracket /
bearings.
4. Bent bottom bracket or
pedal bolt.
1. Lubricate chain.
2. Tighten / adjust bearings.
3. Tighten / adjust bearings.
4. Replace.
5. Tighten.