Invacare REA Dahlia 30, Service Manual

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Troubleshooting
6 Troubleshooting
6.1 Troubleshooting electrical system
WARNING!
Risk of personal injury and damage to the product.
– The wheelchair must be unplugged from the main power source before opening or repairing electrical parts.
Symptom Possible cause Remedy
Mains are not connected Connect mains
Fuse in the control unit is blown Replace the control unit Mains indicator does not light up
Control unit is defective Replace the control unit
Motor plug is not fully inserted into the
control unit Insert the motor plug properly into the
control unit
The motor is defective Replace the motor
Motor cable is damaged Replace the cable
Mains indicator lights up, but the motor
is not running. The relay in the control
unit makes a clicking noise
Control unit is defective Replace the control unit
Control unit is defective Replace the control unit Mains indicator lights up, but the motor
is not running. No relay sound is heard
from the control unit
Hand control is defective Replace the hand control
Control unit is defective Replace the control unit
Control unit is in order except for one
direction on one channel
Hand control is defective Replace the hand control
Motor is running, but the piston rod
does not move
The motor cannot lift full load
Motor noise, but no movement of
piston rod
Piston rod operates inwards and not
outwards
Motor is damaged Replace the motor
6.2 Limitation areas — Troubleshooting
When adjusting the centre of gravity, some settings can
cause limitations in some positions. This can happen for
example when adjusting the:
• Seat tilt
• Seat depth
• Backrest recline
The following sections will give some examples of the
possible limitations, but also suggestions about solutions.
6.2.1 Seat tilt
A
B
A
C
When the seat is tilted, the backrest attachment A can
collide with the rear wheel axle
B
or the rear wheel
attachment C .
Possible solutions:
• Move the rear wheel attachment C further backwards.
• Turn the rear wheel attachment
C
in order to have the
rear wheel positioned further backwards.
• Choose the low mounting position for the rear wheel
attachment
C .
This will increase the seat height, to compensate,
use a longer front wheel fork.
A
• Use the tilt reduction bushing
A
in order to avoid the
limitation.
The seat tilt will have slightly reduced angling
possibilities.
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