Overview Components; Troubleshooting; Operational Faults; Drive Fault Diagnosis - Invacare AVIVA RX Series Service Manual

Invacare® AVIVA™ RX series

6.4 Overview Components

6.5 Troubleshooting

6.5.1 Operational Faults

Proceed as follows if you have any problems:
1. First assess the possible cause of the problem using the following table.
2. Check the remote status display. Evaluate the flash error code.
3. Carry out the necessary checks and repairs as recommended in the following table.
The various power modules can be fitted in connection with different remotes in the mobility device. Rectification of
operational faults depends on the power module fitted. The power modules used are described in the corresponding
controls manual.
The tables for rectification of operational faults listed in the following chapters are only an excerpt from the original
manufacturer's manuals. You can obtain the original manuals from Invacare.

6.5.2 Drive Fault Diagnosis

Problem
Mobility device will
not start
Mobility device
judders in drive mode
Mobility device pulls
to left or right
Error message does
not disappear
20
Other symptoms Possible cause
The remote status Drive motors
disengaged
display illuminates
normally and shows
an error code.
Remote status display Batteries defective
does not illuminate
Completely discharged
battery
Power supply to
remote interrupted
Remote defective
Remote status display Various causes
flashing
None Batteries defective
(unstable voltage)
Drive motor(s)
defective
None Drive motors running
asymmetrically
Tyre visibly dented Not enough tyre
pressure
None
Bad connections
Motor brake defective
Documentation
Solution
Engage drive motors. See user manual.
See 6.12 Batteries,
Replace batteries.
page 59.
Pre-charge batteries. See user manual.
Check status of circuit See user manual.
breaker.
Check cables between See 6.12.6 Checking
modules for loose Cables, page 62.
connections or
damage.
Replace remote. See 6.11.1 Replacing
Power Module, page
55.
Assess error code. See remote manual.
Replace batteries. See 6.12 Batteries,
page 59.
See 6.9.1 Replacing
Replace motor(s).
Motor-Gearbox Unit,
page 38.
See LiNX service
Change programming
manual.
to synchronise motors.
Check tyre pressure,
replace inner tube
and/or valve if
necessary.
Check all connecting See 6.12.6 Checking
cables. Cables, page 62.
Measure internal See 5.2 Testing Motor
resistance of brakes, Brake, page 16
and 6.9.1 Replacing
replace motor if
Motor-Gearbox Unit,
defective.
page 38.
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