IX. Troubleshooting
We have engineered your Ultra Motor bike to be a safe and reliable transportation
vehicle. However, from time-to-time, things can go wrong. The following is intended to
be a general guide for diagnosing and remedying simple issues that may happen.
Problem:
Bicycle does not turn on
Possible cause #1:
Dead battery
Solution #1:
Recharge the battery (Please see the instruction for proper charging
of the battery in Section VIII and/or in the Instruction Manual
supplied with the battery.
Possible cause #2:
The battery is improperly installed on the bike.
Solution #2:
Open the battery compartment cover. Insure that the power
connector is securely plugged into the battery receptacle. (Please
refer to page 23.)
Problem:
Bicycle turns “ON” (start-up self test happens and state-of-
charge indicator LEDs illuminate) but motor does not run.
Possible cause #1:
A brake lever is applied. (When the brakes are applied, a signal is
sent to the controller to turn power to the motor “OFF”.)
Solution #1:
Do not apply the brakes when attempting to power the bike. Insure
that the brake levers are fully forward when using the bicycle.
Possible cause #2:
The motor power connector is unplugged.
Solution #2:
Insure that the motor power connector is securely connected. (See
photo below.)
Repairing a flat tire
These steps mean that the likelihood of your having a flat tire is very remote. However,
if you do have to repair a tire, it is important to know the correct procedure for removing
and reinstalling the wheels.
Release the caliper brakes
The following procedure is required to open clearance between the brake pads to allow
the wheel/tire to disengage from the frame. The photo sequence shown in the following
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