Velotric Thunder 1ST Manual page 20

Troubleshooting
Problem
Ebike does not work (No power):
Insufficient battery power
Faulty connections
Improper turn on sequence
Battery non-functional
Ebike rocks back and forth:
Wobble fork
Gap between stem and stem spacer
Gap between lower end of head tube &
front fork
Irregular acceleration and/or reduced top speed:
Insufficient battery power
Motor does not respond when the ebike is powered on:
Insufficient battery power
Brakes are applied
Loose wiring
Loose or damaged motor plug wire
Motor damaged
Controller damaged
PAS sensor damaged
Reduced range:
Low tire pressure
Low battery
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Most Common Solutions
Charge the battery
Clean and repair the connectors
Turn on the ebike with proper sequence
Contact us through help@velotricbike.com
Adjust the fork
Close up the gap
Close up the gap
Charge the battery or contact us through
help@velotricbike.com
Charge the battery
Disengage the brakes
Reconnect or replace the wiring
Secure or replace the motor plug wire
Replace the motor
Replace the controller
Replace PAS the sensor
Inflate tires to PSI stamped on sidewall
Charge the battery
Driving with too many hills, headwind,
braking, or excessive load
Battery discharged for long period without
regular charges
Brakes rubbing
Faulty, damaged, or aged battery
Battery will not charge:
Charger not well connected
Charger damaged
Battery damaged
Wiring damaged
Battery non-functional
Battery overdischarged
Ambient temperature below 41°F (5°C) or
above 104°F (40°C)
Wheel or motor makes strange noises:
Loose motor cable connection
Damaged wheel spokes or rim
Damaged motor wiring
Charger indicator flashes red while charging:
Charging abnormality
Front/rear light cannot be illuminated:
Damaged light
Damaged controller
Damaged Remote (PAS control panel)
OR you can contact us through help@velotric.bike.com and we will get you back as soon as
possible.
Assist with pedals or adjust route
Recharge the battery. If range decline persists,
contact us through help@velotricbike.com
Adjust the brakes
Replace the battery
Adjust the connections
Replace the charger
Replace the battery
Replace the wiring
Replace the battery
Replace the battery
Keep the battery in an environment with an
ambient temperature of 50°F to 77°F (10°C to
25°C) for at least 1 hour
Reconnect the cable
Repair or replace the wheel spokes or rim
Replace the motor
Unplug the charger and contact us through
help@velotricbike.com
Replace the light
Replace the controller
Replace the Remote (PAS control panel)
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