20
10. Troubleshooting
No power assistance
when the bike is
powered on
The bike is not being powered
1. Check if the battery is installed correctly
2. Check if battery power is low
3. Make sure the controller connector is
connected
Mileage is insufficient
1. Battery is not fully charged
1. Check if the charger is working properly
2. Tire pressure is low
2. Check tire pressure before riding
3. Frequent braking/starts/overload riding
3. Learn suitable riding behavior
4. Battery is old or degraded after long use
4. Replace battery
5. Low temperature, battery retention
5. Normal phenomenon
Battery cannot be
charged
1. Charger is not properly plugged in
1. Check if the plug is loose
2. Battery temperature too low
2. Wait until temperature goes back to normal
3. Battery temperature too high
3. Check the wire connection inside
Display not working
1. No power
2. Adapter faulty
3. Meter faulty
1. Check battery connection, voltage and
recharge
2. Contact after-sales service for
replacement
The motor does not
work when powered on
1. Brake is working
2. Display M key faulty
1. Check the brake
2. Contact after-sales service to check the
display
Summary of Contents for Fattwenty
Page 1: ...Opvouwbare elektrische fiets...
Page 3: ...04 1 Product en accessoires Gebruikers handleiding Adapter...
Page 15: ...16 6 Opvouwen en dragen...
Page 20: ...Electric Folding Bike...
Page 22: ...04 1 Product and Accessories Adapter User Manual...
Page 34: ...16 6 Folding and carrying guide...
Page 39: ...Elektro Klapprad...
Page 41: ...04 1 Produkt und Zubeh r Adapter Benutzer handbuch...
Page 53: ...16 6 Anleitung f r das Zusammenklappen und Tragen...
Page 58: ...V lo lectrique pliant...
Page 60: ...04 1 Produit et accessoires Adaptateur Mode d emploi...
Page 72: ...16 6 Porter le v lo repli...