Charger Fault Diagnosis - Invacare TDX SP2 Series Service Manual

Problem Other symptoms
Scraping noise or None
motor blocked
None
Gearbox makes
clicking noise
None
Gearbox loses oil
None
Irregular running
None
Batteries not being
charged
LEDs blinking on
charger
None
Short charging period
None
Mobility device runs
too slowly

8.3 Charger fault diagnosis

Symptom
No LEDs illuminating on charger
Batteries do not charge
1195667-E
Possible cause
Clutch(es) defective
Bearing defective
Gearbox defective
Gearbox defective
Drive wheel loose
Sealing ring on drive
shaft defective
Drive shaft movable
or bent
Fuse burnt out, cable
defective
Batteries defective
Charger defective
One of the batteries
could be defective
Remote defective
Batteries defective
Possible cause
Charger not connected to mains supply Make sure that charger has been
No mains supply
Defective mains supply cable
LEDs are burnt out
An internal fuse might be burnt out
Fuse on mobility device has burnt out
Charger not connected to mobility
device
No mains supply
Defective mains supply cable
Solution Documentation
Replace clutch
Replace motor
Replace gearbox
Replace gearbox
Tighten drive wheel,
secure bolts with
Loctite if necessary
Replace gearbox if
sealing ring defective
Check carbon brushes
for oil wetting, replace
motor if brushes wet
Check drive shaft,
replace gearbox, if
defective
Check for blown
battery fuse
or damaged
cables/connectors.
Replace wiring
harness.
Replace batteries
Replace charger See charger user
manual.
Replace batteries
Replace remote
Replace batteries
Solution
plugged in
Check mains supply with voltmeter
Check mains supply cable. Replace
damaged cables or send charger to
Invacare® Service for repair
Send charger to Invacare® Service for
repair
Send charger to Invacare® Service for
repair
Check mobility device fuses.
Make sure that charger has been
connected to mobility device
Check mains supply with voltmeter.
Check mains supply cable. Replace
damaged cables or send charger to
Invacare® Service for repair
Troubleshooting
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