Invacare Tornado Service Manual page 17

Tornado
PROBLEM
Wheelchai
r does not
drive
smoothly
Batteries
cannot be
charged
Wheelchai
r drives
too slowly
OTHER POSSIBLE
SYMPTOMS CAUSE
Status display Speed
on remote reduction
flashes 2x, switch on the
drive mode lifter may be
display shows defective or
"U" disconnected
None
Batteries may
be defective
(voltage not
stable)
Drive motor(s)
may be
defective
None Batteries may
be defective
LEDs on the Charger may
charger are be defective
flashing
Status display Seat lifter is not
on remote in driving
flashes 2x, position (either
drive mode too high or too
display shows low), and has
"U" activated the
automatic
speed
reduction.
Speed-
reduction
micro-switch on
the seat lifter
may be badly
adjusted
None Remote may
be defective
Batteries may
be defective
Page 16
Service Manual
SOLUTION REFERENCE
• Replace
See "Adjusting and
replacing the speed
cable or
reduction switch" on
switch
page 40
• Replace the
See "Replacing
batteries" on page 29
batteries
• Replace the
See "Replacing the drive
motors" on page 24
drive motor(s)
• Replace the
See "Replacing
batteries" on page 29
batteries
• Replace the
See User Manual of the
charger
charger
• Return seat
See User Manual
lifter to driving
position
• Adjust the
See "Adjusting and
replacing the speed
micro-switch
reduction switch" on
page 40
• Replace the
See "Replacing the
remote" on page 38
remote
• Replace the
See "Replacing
batteries" on page 29
batteries
As at:19.03.2004