Troubleshooting; Operational Faults; Drive Fault Diagnosis - Invacare Pronto M41 Series Service Manual

Invacare® Pronto™ M41 Series
IMPERIAL
inch
25/32
51/64
13/16
53/64
27/32
55/64
7/8

6.4 Troubleshooting

6.4.1 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.

6.4.2 Drive Fault Diagnosis

Problem
Mobility device will
not start
Mobility device
judders in drive mode
Mobility device pulls
to left or right
20
Other Symptoms Possible Cause
Drive motors
The remote status
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
Various causes
Remote status display
flashing
None
Batteries defective
(unstable voltage)
Drive motor(s)
defective
None
Drive motors running
asymmetrically
Tyre visibly dented Not enough tyre
pressure
METRIC
mm
19.8438
20.2406
20.6375
21.0344
21.4313
21.8281
22.2250
Solution
Engage drive motors.
Replace batteries.
Pre-charge batteries.
Check cabling.
Replace remote.
Assess error code.
Replace batteries.
Replace motor(s).
Change programming
to synchronise motors.
Check tyre pressure,
replace inner tube
and/or valve if
necessary.
Documentation
See user manual.
See 6.12.5 Replacing
Batteries, page 43.
See user manual.
See 6.11.6 Checking
Cables, page 39.
See LiNX service
manual.
See remote manual.
See 6.12.5 Replacing
Batteries, page 43.
See 6.8.1 Replacing
Motor, page 26.
See LiNX service
manual.
1568396-C