SECTION
SYMPTOM | PROBABLE CAUSE | SOLUTIONS | |
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| Low tire pressure. | Inflate tires to the proper tire pressure (30 psi). | |
| Motor engagement handles are dis- | Engage motor engagement handles. | |
| engaged. |
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Wheelchair will not | Batteries require charging. | Charge batteries. Make sure the setting on the | |
| charger is correct. | ||
drive. |
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| Charger plugged in. | Unplug charger from wall outlet before operating | |
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| the wheelchair. | |
| Circuit breaker tripped. | Press the reset button. Refer to Resetting the Cir- | |
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| cuit Breaker on page 54. | |
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| Damaged connector or worn | Ohm out motors. Replace motor if high reading is | |
Motor chatters or | brushes. | present. Normal reading is | |
Bad motor. | |||
runs erratically, or | |||
| page 29. | ||
only one motor |
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turns. | Controller malfunction. | Check for error codes with programmer. Refer to | |
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| electronics manual provided. | |
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Wheelchair veers | Uneven tire pressure. | Inflate tires. | |
to the left or right |
| Replace tires if worn. | |
when driving on |
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level surface. | Motors out of balance. | Use programmer to balance motors. | |
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E09/E10 error code | Bad motor connection. | Check all connections. Ohm out each brake coil. | |
Bad brake coil. | Normal reading is | ||
will not go away. | |||
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Excessive clicking | Bad bearing in motor. | Replace motor. | |
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coming from | Loose wheel hardware. | Tighten hardware, (use removable Loctite™ on | |
motor. | |||
| hardware). Follow torque settings in this manual. | ||
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Motor stutters. | Poor connection or worn drive | Check drive cylinders and replace if necessary. | |
cylinder. |
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Motor fails to start | Battery voltage is too low. | Check batteries and recharge if necessary. | |
after initial installa- |
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tion. | Bad connection. | Check connector. | |
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Only one drive | One motor is disengaged. | Engage motor engagement handle. | |
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wheel turns. | Electrical malfunction. | Replace motor. | |
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Joystick erratic or | Electrical malfunction. | Replace joystick. | |
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does not respond | Controller programmed improperly. | Reprogram controller. Refer to electronics man- | |
as desired. | |||
| ual provided. | ||
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Wheelchair does | Poor battery terminal connection. | Clean the battery terminal connectors. | |
not respond to |
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commands. |
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Part No. 1125078 | 23 | At’m and At’m QT |
