SECTION
SYMPTOM | PROBABLE CAUSE | SOLUTIONS | |
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| Heavy load on the motors forcing | Leave power On and allow controller to count | |
| controller into the current rollback | down, and recharge the batteries overnight with | |
| mode. | power On. | |
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| Blown fuse in battery wiring | Replace battery wiring harness. Refer to | |
| harness. | Connecting/Disconnecting Battery Cables on | |
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| page 101. | |
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Motor is running | Damaged motor. | Replace brushes if necessary, or replace | |
| motor/gearbox if internal damage is determined. | ||
then fails to restart |
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| Refer to Replacing Motor Brushes on page 116 or | ||
when stopped. |
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| Removing/Installing the Motor on page 112. | ||
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| Ohm out motor to check for possible internal | |
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| damage (worn out brushes may be possible). | |
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| Refer to Motor Testing on page 31 or Replacing | |
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| Motor Brushes on page 116. | |
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| |
| Controller power stage board or | Replace controller or send to Invacare for repair. | |
| relays may be damaged. | Refer to Replacing the Controller on page 125. | |
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| |
| Controller senses heavy load and | Stop driving and let electronics cool. | |
| has entered the current rollback |
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Motor runs but | mode. |
| |
loses power. |
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Batteries are going bad. | Replace batteries. Refer to Removing/Installing | ||
| |||
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| Batteries from/into Battery Tray on page 99. | |
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| |
Wheelchair loses | Bad Connection on wheelchair. | Turn power “Off”, wait 10 seconds and turn | |
| power back “On”. | ||
all power while |
| ||
| Check joystick connection. | ||
driving. |
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| Check battery connection and fuses. | ||
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Battery
SYMPTOM | PROBABLE CAUSE | SOLUTIONS | |
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| |
| Blown battery fuse or damaged cables. | Check cables for damage or replace battery wiring | |
Batteries won’t |
| harness. Refer to Connecting/Disconnecting | |
Batteries sat discharged too long. | Battery Cables on page 101. | ||
charge. | |||
| Replace batteries. Refer to Removing/Installing | ||
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| ||
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| Batteries from/into Battery Tray on page 99. | |
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| One or both batteries may be bad (if | Check each battery and replace if needed. Refer to | |
Short Charge Time | batteries charge up to soon). | Removing/Installing Batteries from/into Battery | |
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| Tray on page 99. | |
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Part No. 1125075 | 27 | Pronto® Series |
