Currier Tech 750 DD Series Service Manual download pdf (Page 8)

Currie Technologies // Service Manual (Version 2008a)

CONTROLLERS

The controller is the “brain” of the system; it takes the input

signals from sensor/throttle and converts it into pulses that the

motor can use. The controller is also “smart”. If it senses there

is no input coming in after ﬁ ve minutes, it turns the bike

off to conserve battery power. Therefore if the power switch

is in the “on” position and the lights on the battery gauge are

off and there is no power to the hub motor, the controller most

likely went into stasis mode. To reset, cycle the switch “OFF”

and “ON”.

If the battery pack voltage is low (<21v) the controller will

automatically turn off to prevent irreparable damage to

the battery pack. At or near this point, the motor may start

shuddering (vibrating or making a strange shaking noise).

Recharge battery before using again.

ELECTRONIC COMPONENTS

BRAKE INHIBITORS

A microswitch housed inside of the brake lever body activates

when the brake lever in pulled thus cutting power to the motor.

Depending on your model of hybrid electric bicycle you may

have one or two brake inhibitors.

If the brake inhibitor needs replacing the entire brake lever

assembly will need to be replaced as the microswitch is not

removable from the brake lever body.

Location of microswitch housed

inside of the brake lever body

Brake Lever with Brake Inhibitor

Example of controller

used in RMB Series

Example of controller used

in Enlightened Series

Example of controller

used in EZGO Series

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Currier Tech 750 DD Series Service Manual Page 8