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9. All of the speed indication LEDs on my powerchair controller are flashing. What does this mean?
This will depend on which type of powerchair controller is fitted to the chair. If the unit is a VSI or VR2, then the speed of the powerchair is being reduced by an inhibit signal. Some manufacturers require the speed of a chair to be reduced in a particular instance e.g. a seating actuator has been raised above a certain height. As the seat moves above the desired height, it will switch in a particular electrical resistance, which the controller is able to detect. The VSI or VR2 will then reduce the speed of the chair accordingly. The flashing speed indicators show the end-user that the reduction in speed is due to the action of a specified inhibit rather than as a result of a fault If the controller fitted to the powerchair is a Pilot+ system, then the flashing LEDs can mean one of 2 things. If all 5 LEDs are flashing & the battery gauge is steady, then the end user has simply pressed the 'mode' button. This causes the LEDs to flash, indicating to the end user that they are in 'speed adjust' mode. The powerchair's speed is then adjusted in the normal way by moving the joystick to the left or right. Once the joystick is moved forward or backwards, drive mode is entered & the LEDs will stop flashing. If the battery gauge is showing 7 flashing bars, in addition to the 5 flashing speed LEDs, then the control system is indicating a communications fault. The most likely cause of a communications error is a defective cable between the power module & joystick module. The cable should be checked for continuity and replaced if found to have a fault. If the problem persists then either the power module or the joystick module could be defective. If possible, eliminate the faulty part by 'swapping out' & then return the unit to our Customer Services Department for repair. |