RATTAN QUERCUS Owner's Manual page 24

11. TRIP Reset
Enter display settings,choose trip reset, the default setting is no.
Choose " yes " will reset trip odometer.
Error Code
21
22
23
24
25
30
12. Slow Start
Enter Advanced Settings, choose Slow Start. Select the value
( range for " 1-4 " ) by pressing the " + " or " - " button. Short press
the " i " button to save the settings.
Current Abnormality
Throttle Abnormality
Motor Phase Abnormality
Motor Hall Signal Abnormality
Brake Abnormality
Communication Abnormality
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Definition