OPEN ON ANY
MEASUREMENT
Joystick Error
Symptoms:
The batteries are fully charged.
All electrical components are connected correctly.
An error code is displayed when the joystick is powered on.
The joystick is in the neutral (centered) position when the unit is powered on.
Diagnosis:
There is an input communications error.
NOTE: If a module is removed from the system, this fault may appear.
Solution:
Use the following procedure to find the source of the error:
Ensure that the BUS
cables and comm-
unication devices are
connected correctly.
123
456
1 2 3
4 5 6
Measure Resistance
Measure Resistance
Measure Resistance
Measure Resistance
Measure Resistance
Measure Resistance
BUS CABLE OR
BUS CABLE EXTENSION CONNECTORS
1 2 3
4 5 6
1 2 3
4 5 6
1 2 3
4 5 6
1 2 3
4 5 6
Measure Resistance
Measure Resistance
MULTIPLIER BUS CABLE
Replace the BUS
cable extension or
BUS cable and retest
the system.
LESS THAN 1 OHM FOR
ALL MEASUREMENTS
If the power chair is equipped with
multiple input devices, is there a multiplier
on the BUS line?
Contact Quantum Tech-
nical Service for further
troubleshooting assis-
tance.
NO
YES
LESS THAN 1 OHM FOR
ALL MEASUREMENTS
Contact Quantum
Technical Service for
further troubleshooting
assistance.
OPEN ON ANY
MEASUREMENT
Replace the multiplier
and retest the system.
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