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LiteRider PTC_Owner’s Manual Rev A_121911
VII. OPERATION
THERMAL ROLLBACK
Your LiteRider PTC is equipped with a safety system. A microprocessor monitors the
operating temperatures of the controller. In the event of excessive heat occurring in the
controller, the controller will decrease the speed of your chair. This is done to reduce the
load on the electrical system and allow the components to dissipate heat. The controller will
automatically set the chair’s speed back to full normal when the operating temperature
returns to normal levels.
THE MAIN CIRCUIT BREAKER
The main circuit breaker is another safety feature incorporated into your LiteRider PTC.
This device monitors the amount of current being drawn from the batteries when the chair
is in use. When the motors are heavily strained and too high a current draw is being placed
on the batteries, the main circuit breaker will trip and bring your chair to a stop. The main
circuit breaker is located under the battery box handle.
RESET BUTTON
If the main circuit breaker trips, please wait for approximately 1 minute and then push the
reset button to reset the main circuit breaker. See figure 18.
NOTE: Usually, the thermal rollback feature is more sensitive than the main circuit
breaker. We recommend that you turn off the power to the chair and wait for five minutes
when the chair suddenly loses speed or power. Doing so will allow the overheated electrical
components to cool to their normal operating temperatures.
28
Figure 18