List of Power Chair Fault Codes

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Power chairs, or mobility scooters, range from budget-friendly to top-of-the-line cruising vehicles. Whether they're used to facilitate an athlete recovering from injury or to assist the elderly with daily groceries and yardwork, power chairs are relied upon as much as cars, trucks and SUVs. When the power chair stops working or experiences a failure, it usually responds by letting its user know the reason by giving a fault code. Reading fault codes are a simple way to quickly fix the chair and be back on the way to mobility.

Batteries

  • 1 = A fault code of "1" means that there is low battery voltage (the chair requires at least 15 volts).

    2 = A fault code of "2" means the battery voltage is too high (there should not be more than 28 volts running through the chair).

    Check that the proper charger has been used on the batteries (remember that eventually, batteries do come to a lifespan end and must be replaced).

Lighting

  • 0 (zero) = You will receive a fault code of zero when the chair key is turned to "On" but there is no indicator light. The battery may not be connected to the controller or pumping out enough voltage to support the lighting.

Brakes/Controller

  • 5 = One of the parking brakes (either right or left) is the source of the fault. They may be corroded or disconnected. Verify that field coil resistance is between 20 and 100 Ohms and that brakes have been assembled and mounted tightly and properly.

Motor

  • 3 = The fault is in the left motor. Resistance for the motor contacts must be higher than 1 MEG Ohm.

    4 = The fault is in the right motor. Resistance for the motor contacts must be higher than 1 MEG Ohm.

    7 = The fault is in the joystick. The joystick must be released and in the neutral position on when you turn on the chair. If not, it may signal a fault.

Other

  • 6 = The fault is in the controller. The controller may have blown a fuse or circuit.

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