Invacare 2GTR Wheelchair User Manual


 
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
2G Tarsys®Powered Seating System 22 Part No 1114842
Troubleshooting
NOTE: Refer to Reference Documents on page 2 for complete mechanical and electrical
troubleshooting guides on the base.
NOTE: Refer to the Electronics Manual listed in Reference Documents on page 2 for additional
troubleshooting information and explanation of error codes.
SYMPTOM PROBABLE CAUSE SOLUTIONS
Wheelchair power ON
but does not drive
System tilted or reclined
beyond drive lock-out
angle (20°).
Return to neutral position (upright). Refer to Operating
Powered Seating Systems on page 127.
Seating system not
functioning or working
intermittently.
Low batteries.
Faulty electrical
connection.
Seat has been driven
under a heavy load for an
extended period of time.
Charge batteries.
Check all connections.
Allow time for the electronics to cool down (light duty
use).
Tilt and/or recline
functions DO NOT
respond.
Open motor connection
or bad switch.
Possible programming
error.
E06 or E07
potentiometers
calibration error code.
Blown fuse in auxiliary
power connectors on
wiring harness.
Use the MKIV™remote programmer to check the
Current Status menu.
Verify TRCM/TAC programming.
Recalibrate potentiometers. Refer to the MK
5
EX
Electronics Service manual that is listed in Reference
Documents on page 2.
Replace fuse, and possibly wiring harness.
Tilt and/or recline
functions DO NOT stop
at the desired position
(excessive “drift”).
NOTE: It is normal to
have some amount of
“drift”. However it
should not be more
than 5°.
Programming error for
tilt/recline limits.
Bad potentiometers or
potentiometers out of
calibration.
Damaged tilt actuator.
Use the MKIV remote programmer to verify correct
TRCM/TAC programming.
Recalibrate potentiometers or replace. Refer to the MK
5
EX Electronics Service manual that is listed in Reference
Documents on page 2, Removing/Installing the Tilt
Potentiometer on page 150, or Removing/Installing the
Recline Potentiometer on page 155.
Replace tilt actuator. Refer to Removing/Installing the Tilt
Actuator on page 131.