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Chapter 5 : Diagnostics 27
5 Diagnostics
SHARK is not user serviceable. Specialized tools are necessary for the
repair of any SHARK component.
5.1 Introduction
A flashing SHARK Information Gauge indicates there is an abnormal condition
somewhere on the powerchair. The components that SHARK provides fault
information for include, the motors, the park brakes, the batteries, the cabling
and the SHARK modules themselves.
Note that joystick OONAPU (Out Of Neutral At Power Up) is not a fault.
Simply by removing your hand from the joystick and allowing it to return
to the neutral position, the fault will immediately clear.
If the condition persists after removing your hand, the joystick may be
damaged. Consult a service agent.
The nature of the abnormal condition is indicated by a flash code . This is a
sequence of flashes, separated by a pause, followed by a repetition of the
sequence. The number of flashes relates to the condition. For instance, four
flashes of the SHARK Information Gauge, a pause, followed by four flashes,
etc. indicates a right motor fault. Five flashes would indicate a left park brake
fault.
Depending on the severity of the condition, the powerchair may or may not
allow driving. In some cases the chair may be allowed to drive but in a
reduced speed (‘limp’) mode.