Invacare TDX SP2 Service Manual page 44

Invacare® TDX® SP2 Series
Problem
Motors do not run
Motor makes clicking
noise
Scraping noise or
motor blocked
Gearbox makes clicking
noise
44
Other symptoms Possible cause
None
Bad connections
Fuse burnt out
Batteries defective
Cabling to power
module or remote
defective
Power module
defective
Corroded contacts Contacts defective
None
Clutch(es) defective
Bearing defective
Collector defective
None
Clutch(es) defective
Bearing defective
Gearbox defective
None
Gearbox defective
Drive wheel loose
Documentation
Solution
Check all cabling See 6.7.15 Checking
cable, page 38.
Check cabling and See 6.7.15 Checking
replace fuse cable, page 38 and
6.7.13 Checking and
replacing main fuse,
page 37.
Replace batteries See 6.7.6 Replacing
batteries, page 33
and6.7.9 Replacing
batteries/replacing
battery cables, page 35.
Check cabling See 6.7.15 Checking
cable, page 38.
Replace power module See 6.7.1 Replacing
power module, page 31.
Check cabling, replace See 6.7.15 Checking
if necessary cable, page 38.
Replace clutch See 6.4.7 Replacing
motor/gearbox unit,
page 23.
Replace motor See 6.4.7 Replacing
motor/gearbox unit,
page 23.
See 5.1 Testing
Measure internal
resistance of motor, motor, page 11
replace motor if and 6.4.7 Replacing
motor/gearbox unit,
defective
page 23
Replace clutch See 6.4.4 Replacing
motor/gearbox clutch,
page 22.
Replace motor See 6.4.7 Replacing
motor/gearbox
unit, page 23 and
6.4.4 Replacing
motor/gearbox clutch,
page 22.
Replace gearbox See 6.4.7 Replacing
motor/gearbox
unit, page 23
and6.4.4 Replacing
motor/gearbox clutch,
page 22.
Replace gearbox See 6.4.7 Replacing
motor/gearbox
unit, page 23 and
6.4.4 Replacing
motor/gearbox clutch,
page 22.
Tighten drive wheel, See 6.4.7 Replacing
secure bolts with motor/gearbox unit,
Loctite if necessary page 23.
1532486-L