Mercury Boulevard Series - Page 24

E L E C T R I C B I C Y C L E M A N U A L – B O U L E V A R D S E R I E S
Page 24
6. E-bike Troubleshooting – Dealer use only
Step 3: Change to a new controller to test;
Step 4: Change to a new wiring harness to test;
E). Error“30”communication abnormity:
Step 1: Check whether the connector of display , the controller and wiring harness are loose or damaged, or whether the
contact pin is inserted crookedly;
Step 2: Change to a new display to test;
Step 3: Change to a new controller to test;
Step 4: Change to a new wiring harness to test;
Problem: Motor does not assist when pedaling, the display and throttle work fine
The Display lights up, the motor works when the throttle is used or the 6km/h walk function is used, but there is no assistance when
the rider pedals.
Solutions：
A). Check that the sensor works normally;
Please check the space between Magnets disc and sensor (2-3mm is normal);
Please check if the sensor light is flashing or not when the bike is pedaled;
B). Check whether the contact pin between the controller and the sensor is disconnected or inserted crookedly;
C). Change to a new controller to test.