Graham Field LF2090 Personal Lift User Manual


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LF2020-INS-LAB-RevC12
9
CHARGING THE BATTERIES
Charge the batteries after assembly.
1. Ensure the control box power switch is ON (i.e., the red button is up).
2. Insert the charger plug into the battery box charging socket (the top slot).
3. Insert the other charger plug into the power supply.
4. All LED indicator lights should be ON during charging.
5. When one green LED indicator light illuminates, the batteries require approximately two to
three hours to be fully charged.
6. When only the red LED indicator light illuminates, the batteries require approximately seven to
nine hours to be fully charged.
s NOTICE: Do not charge the batteries for more than twelve hours.
7. Unplug the charger FIRST before using the lift.
Info: The lift will not operate while the batteries are charging.
The lift will not operate while the red reset button is down.
8. Replace the batteries when frequent charging is required.
Important Charging Information
Push lift to an appropriate location and charge the batteries with the charger provided.
s NOTICE: Avoid unplugging the pendant and actuator from the control box. Frequent
plugging and unplugging of the pendant and actuator to and from the control box may
damage the control box.
CHECKING BATTERY CAPACITY
Info: To check remaining battery capacity, press the battery indicator (blue circle with
battery symbol) while the lift is not in motion. Remaining battery capacity is indicated by
LED indicator lights and explained in the following table.
Red Amber Green Green Green Status
ON ON ON ON ON Fullycharged
ON ON ON OFF OFF Needscharge
ON ON/OFF OFF OFF OFF Chargeimmediately—DONOTuselift
OFF OFF OFF OFF OFF Badbatteriesorbadconnection
ALARM BUZZERS
The control box has an alarm buzzer that provides information on the status of the batteries and
the lift. To stop the buzzer, push down the RED RESET button or press the battery indicator.
Buzzer type Status Note
2beepspersecond
Lowbattery(red/amberlightsilluminate)
Chargebatteriesimmediately
3beepspersecond Lowbattery(redlightilluminates) Chargebatteriesimmediately
6beepspersecond Verylowbattery(nolightsilluminate) Chargebatteriesimmediately
3beepseveryothersecond
Badbattery(nolightsilluminate) Replacebatteriesimmediately
3longbeeps Overloaded.Batteriesarechargedbut
liftdoesnotlift
Maximumloadcapacityexceeded
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