ROLL-ROAD EMMA - Trouble Shooting

36
 Basic Troubleshooting
No
Symptoms
Possible Causes
Solutions
1
Speed-governing fault or
max. speed reduced
 Too low cell Voltage
 Speed-governing throttle damage
 Spring inside throttle goes stuck or fails
 Charge the cell
 Go for the distributor for replacement
2
Motor not working
 The cells connecting line becomes loose
 .Speed governing throttle damaged
 Motor output line becomes loose or damaged
 Reconnect it:
 Ask the distributor for replacement
 Ask a repair store for help
3
Continuous riding mileage
is not sufficient after
charging.
 Low tire pressure
 Low battery power or charger fails
 .Aging of the cell or damaged
 Driving on rough terrain
 Great headwind, frequent braking and starting, heavy
load on bike
 Inspect tire
 Fully charge the cell or replace the
charger
 Replace the cell
 Adjust route
 Adjust bike load,include pedal assist
use
4
Charger fails to charge
 Charger nor properly connected
 Fuse inside the cell box fused
 Battery packs connecting wire falls off
 Inspect connections
 Replace the fuse
 Weld connecting wires
5
Other symptoms
 Fault that you cannot determine; the inside of the
motor, cell, controller, charger, etc. damaged
Please ask the distributor for repair, do not
open these parts by yourself. 0therwise,
warranty will not be provided.