SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
All Wheelchairs
General Troubleshooting
SYMPTOM | PROBABLE CAUSE | SOLUTIONS |
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Limited driving distance. | Batteries not charged long | Charge batteries overnight or ensure 8 hours of |
| enough. | charge time between use. Ensure correct setting |
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| on charger. |
| Batteries weak; wont hold | Replace Batteries. |
| charge. |
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Batteries not charging. | Charger not working. | Have charger replaced. Contact Dealer/Invacare. |
| Battery connections loose. | Check all connections. Secure connections. |
| No current at wall outlet. | Switch to another wall outlet. |
| Bad connection on charger, | Replace charger or internal repairs may be |
| charger cable, plug or | required. Contact Dealer/Invacare. |
| internal wiring problem. |
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Batteries draw excessive | Battery failure. | Have batteries checked for shorted cell. Replace |
current when charging. |
| if necessary. |
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Charger indicator shows low | Batteries weak, wont hold | Replace Batteries. |
charge level immediately | charge. |
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after charging. | Electrical malfunction. | Contact Dealer/Invacare. |
| Charger malfunction. | Replace charger. Contact Dealer/Invacare. |
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Battery indicator flashes the | Weak Batteries. | Replace batteries. |
charge level is low | Charger malfunction. | Replace charger. Contact Dealer/Invacare. |
immediately after recharging. | Electrical malfunction | Contact Dealer/Invacare. |
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Wheelchair will not drive. | Motor release levers are | Engage motor release levers. |
| disengaged. |
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| Batteries require charging. | Charge batteries. Make sure the setting on the |
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| charger is correct. |
| Charger plugged in. | Unplug charger from wall outlet before |
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| operating the wheelchair. |
| Circuit breaker tripped. | Reset circuit breaker. If breaker trips again, it |
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| may indicate need for internal repair. Contact |
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| Dealer/Invacare. |
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Motor “chatters” or runs | Electrical malfunction. | Contact Dealer/Invacare. |
irregularly. |
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Only one drive wheel turns. | Electrical malfunction. | Contact Dealer/Invacare for service. |
| One motor lock is | Engage motor lock. |
| disengaged. |
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Joystick erratic or does not | Electrical malfunction. | Contact Dealer/Invacare for service. |
respond as desired. | Controller programmed | Reprogram controller (Refer to electronics |
| improperly. | manual supplied with wheelchair). |
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Wheelchair does not | Poor battery terminal | Have terminals cleaned. |
respond to commands. | connection. |
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Power indicator off - even | Electrical malfunction. | Contact Dealer/Invacare for service. |
after recharging. |
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Pronto® M51™ Base with SureStep® | 24 | Part No. 1148076 |