Special control maintenance tasks
INFORMATION
Every special control must be examined by an authorised specialist at least once per year to make sure that it is
properly functional and safe for driving.
The proper functionality of the respective special control must be verified each time before the wheelchair is used.
The actions described in the following table should be performed at the specified intervals either by the user or the
attendants.
Component Task Prior to every use Weekly
Control device as a whole Verify proper functionality:
verify function of buttons,
verify function of special
control components
X
Joystick control Automatic reset to mid-
position (neutral position)
X
Wear and tear parts
(e.g.tubes of sip and puff
control)
Visual inspection X
Mechanical attachment of
the control device
Check that the movable
parts of the control device
are properly fixed
X
Screw connections Check for firm fit X
7.3 Repair
WARNING
Prohibited repairs
Severe user injuries, damage to the product due to adjustment and installation errors
► Only carry out the repairs described in this section.
► Other repairs may not be completed by the product user but only by instructed, qualified personnel.
7.3.1 Replacing a defective bulb
NOTICE
Use of incorrect bulbs
Damage/melting of the connecting cables due to excess current flow
► Note that the LED lighting may only be replaced with original lighting.
The LED lighting is maintenance-free. If repairs are required, the qualified personnel who fitted or delivered the
wheelchair can help.
7.3.2 Replacing a battery
Batteries may only be replaced by authorised personnel.
7.4 Troubleshooting
INFORMATION
In the event of communication problems in the bus system of the controls, the system triggers an emergency stop
and thus prevents any uncontrolled functions.
► Note that after every emergency stop, you have to turn the power wheelchair control unit on again.
► If the driving function is still not available after turning the control unit on again, activate pushing mode by
releasing the brake.
► Inform the qualified personnel immediately.
7.4.1 Types of notifications
Warning
A warning indicates a status or malfunction of one or several components of the power wheelchair. The function of
components without errors is not restricted.
104
Maintenance and repair
Juvo
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