Invacare AVIVA RX Series, Service Manual

Page: 19 / 68

Service
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 Other symptoms Possible cause Solution
Documentation
The remote status
display illuminates
normally and shows
an error code.
Drive motors
disengaged
Engage drive motors. See user manual.
Batteries defective Replace batteries. See 6.12 Batteries,
page 58 .
Completely discharged
battery Pre-charge batteries. See user manual.
Check status of circuit
breaker. See user manual. Power supply to
remote interrupted
Check cables between
modules for loose
connections or
damage. See 6.12.6 Checking
Cables, page 62 .
Remote status display
does not illuminate
Remote defective Replace remote. See 6.11.1 Replacing
Power Module, page
54
.
Mobility device will
not start
Remote status display
flashing
Various causes
Assess error code. See remote manual.
Batteries defective
(unstable voltage) Replace batteries. See 6.12 Batteries,
page 58 .
Mobility device
judders in drive mode
None
Drive motor(s)
defective Replace motor(s). See 6.9.1 Replacing
Motor-Gearbox Unit,
page 37
.
None Drive motors running
asymmetrically
Change programming
to synchronise motors.
See LiNX service
manual.
Mobility device pulls
to left or right
Tyre visibly dented Not enough tyre
pressure Check tyre pressure,
replace inner tube
and/or valve if
necessary.
Bad connections Check all connecting
cables. See 6.12.6 Checking
Cables, page 62 .
Error message does
not disappear
None
Motor brake defective Measure internal
resistance of brakes,
replace motor if
defective. See 5.2 Testing Motor
Brake, page 15
and 6.9.1 Replacing
Motor-Gearbox Unit,
page 37
.
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