Service; General Warning Information On Installation Work; Tightening Torques; Troubleshooting - Invacare Storm4 Service Manual

6 Service

6.1 General warning information on installation
work
CAUTION!
Risk of injury and damage to property, if the
maximum speed reduction on a mobility device
with a lifter does not function correctly
The mobility device's control unit must reduce
the maximum possible speed as soon as the lifter
is raised.
– Test the maximum speed reduction for correct
function after any maintenance work or
modifications to the mobility device.

6.2 Tightening torques

CAUTION!
Risk of damage to mobility device due to
improperly tightened screws, nuts or plastic
connections.
– Always tighten screws, nuts etc. to the stated
tightening torque.
– Only tighten screws or nuts which are not listed
here fingertight.
The tightening torques stated in the following list are based
on the thread diameter for the nuts and bolts for which no
specific values have been determined. All values assume
dry and de-greased threads.

6.3.2 Drive fault diagnosis

Problem
Mobility device will
not start
1533060-M
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 discharge
battery
Power supply to
remote interrupted
Remote defective
Various causes
Remote status display
flashing
Thread
M4
M5
M6
M8
M10
M12
M14
M16

6.3 Troubleshooting

6.3.1 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
diferent 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®.
Solution
Engage drive motors
Replace batteries
Pre-charge batteries
Check main fuse
Check cables between
modules for loose
connections or damage
Replace remote
Assess error code
Service
Tightening torque in
Nm ±10%
3 Nm
6 Nm
10 Nm
25 Nm
49 Nm
80 Nm
120 Nm
180 Nm
Documentation
See corresponding
remote manual
See 6.9.15 Removing
batteries, page 46
See user manual
See 6.9.18 Main fuse,
page 47
See 6.9.19 Cables, page
48
See corresponding
remote manual
See corresponding
remote manual
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