SECTION
SYMPTOM | PROBABLE CAUSE | SOLUTIONS |
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Battery indicator flashes the charge | Battery failure. | Check batteries for shorted cell. |
level is low - immediately after |
| Replace if necessary. |
recharge. |
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| Malfunctioning battery charger. | Contact Dealer/Invacare for Service. |
| Electrical malfunction. | Contact Dealer/Invacare for Service. |
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Battery indicator flashes the charge | Batteries not charged. | Have charger checked. |
level is low - too soon after being |
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recharged. | Weak batteries. | Replace batteries if necessary. Contact |
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| Dealer/Invacare for Service. |
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Motor “chatters” or runs irregular. | Electrical malfunction. | Contact Dealer/Invacare for Service. |
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Joystick erratic or does not respond | Damaged motor coupling. | Contact Dealer/Invacare for Service. |
as desired. |
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| Electrical malfunction. | Contact Dealer/Invacare for Service. |
| Controller programmed | Contact Dealer/Invacare to have |
| improperly. | controller reprogrammed. |
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Wheelchair does not respond to | Poor battery terminal | Have terminals cleaned. |
commands. | connection. |
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Power indicator Off - even after | Electrical malfunction. | Contact Dealer/Invacare for Service. |
recharging. |
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Checking Battery Charge Level
The following “Do’s” and “Don’ts” are provided for your convenience and safety.
DON’T | DO |
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Don’t perform any installation or maintenance | Read and understand this manual and any service |
without first reading this manual. | information that accompanies a battery and charger before |
| operating the wheelchair. |
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Don’t perform installation or maintenance of | Move the wheelchair to a work area before cleaning |
batteries in an area that could be damaged by | terminals, or opening battery box. |
battery spills. |
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Don’t make it a habit to discharge batteries to | Recharge as frequently as possible to maintain a high charge |
the lowest level. | level and extend battery life. |
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Don’t use randomly chosen batteries or chargers. | Follow recommendations in this manual when selecting a |
| battery or charger. |
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Don’t put new batteries into service before | Fully charge a new battery before using. |
charging. |
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Don’t tip or tilt batteries. | Use a carrying strap to remove, move or install a battery. |
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Don’t tap on clamps and terminals with tools. | Push battery clamps on the terminals. Spread clamps wider if |
| necessary. |
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Don’t mismatch your battery and chargers. | Use ONLY a GEL charger for a GEL battery. |
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Part No 1143153 | 31 | Pronto® M91™Base with SureStep® |