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| 9 TROUBLESHOOTING |
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SYMPTOM |
| PROBABLE CAUSE | SOLUTIONS |
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JOYSTICK FAULT displays and the |
| The joystick or input device is | Replace joystick or input device. |
wheelchair does not drive. |
| sending a value outside of the |
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| reverse, forward, left or right limits |
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| (Error codes E01, E02, E03 or E04). |
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NEUTRAL TESTING displays. |
| The joystick neutral test has failed | Release the joystick and try to get the joystick back into the |
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| (Error code E18). | |
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BAD JOYSTICK CAL VALUES displays and | The joystick calibration values are | Recalibrate the joystick (joystick throw procedure). | |
the wheelchair does not drive. |
| outside of the expected range |
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| (Error code E19). |
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CTRL NOT CONNECTED |
| The MPJ or Display module is not | Check the connections between the joystick or display and |
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| communicating with the control | the controller. Turn the power off and then back on. Replace |
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| module (Error code E200). | the controller if necessary. |
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CTRL COM FAULT displays and the |
| The controller has determined a | Turn the wheelchair off and back on. |
wheelchair drives slowly. |
| fault during a previous |
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| process (Error code E41). |
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MISSING CONFIGURATION displays at | One or more devices have been | Reconnect the device. | |
power up. |
| removed or disconnected from the |
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| wheelchair. |
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| The Proportional or Digital | This is normal behavior. |
ATTENDANT ACTIVE and | displays. | Attendant control is active and can |
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be used to drive the chair. |
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Batteries draw excessive current when | Battery failure. | Have batteries checked for shorted cell. Replace if necessary. | |
charging. |
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| Contact Dealer/Invacare for service. |
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| Electrical malfunction. |
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Part No 1163181 | 95 | Invacare® FDX® |