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27Everest with Captain Seat Owner's Manual GF0600050RevE06, August 2006
WARNING: Do not use battery chargers not supplied by Graham-Field Health Products.
Battery chargers not supplied by Graham-Field Health Products could dam-
age the controller and the battery charger. Electrical arcing could result,
which could cause severe personal injury, explosion, and fire.
Charging the batteries
Note: Before charging the batteries, read the rest of this manual, especially the Battery Charger section.
Note: As a safety feature, the wheelchair is inoperable during charging.
1. Ensure that power to both wheelchair and battery charger is OFF.
2. Connect battery charger output connector to receptacle on bottom of hand control.
3. North America: Plug the battery charger AC connector into a properly grounded, 115 volt, 60 cycle
single phase power outlet.
Note: Ensure that the battery charger AC voltage switch is set on the appropriate voltage for your loca-
tion.
4. Place battery charger power switch in the ON position. e green status indicator LED will illu-
minate when battery charger power is switched on, then flash a different pattern for each charging
mode automatically selected by the battery charger:
Always off: No AC power
Always on (nonflashing): Batteries not connected
Flash 1/2 second on, 1/2 second off: Fast charge (normal
charge)
Flash 2 seconds on, 2 seconds off: Float charge (almost fin-
ished)
Flash 4 times, 1 second on, 1 second off: Maintain charge
(charge complete)
Flash 2 times, 1 second off: Deep charge (batteries severely
discharged)
e battery capacity level indicator LEDs will illuminate one
at a time to show the state of battery charge: ≤30% (red),
50% (red), 70% (yellow), 85% (yellow), or 100% (yellow).
When the batteries are fully charged, the battery capacity level
indicator's 100% LED will illuminate and the status indicator will show maintain mode.
5. Allow adequate time to bring the batteries up to a full charge—the actual time required to recharge
the batteries will depend on discharge condition. e charger supplied with the wheelchair is auto-
matic, and will not damage the batteries if left connected after batteries are fully charged.
6. When batteries are fully charged, place battery charger power switch in the OFF position.
7. Remove battery charger output connector from hand control receptacle.
Note: If you experience a problem with your battery charger, please see Troubleshooting, battery charger
in the TROUBLESHOOTING section
status
indicator
battery capacity
level indicator