Battery Troubleshooting - JLG TOUCAN 1010 Service Manual

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4.10. Battery troubleshooting

Serious accidents resulting in complete destruction of a traction battery are relatively rare. If small problems
encountered on a battery in use are rapidly and correctly determined, battery life and operation can be improved.
Symptoms
Electrolyte overflow.
Inequal electrolyte specific
gravity or electrolyte specific
gravity too low.
Low voltage in the cells in open
circuit.
Battery cells temperature too
high.
Battery not able of supporting
regular operation.
Models
Toucan 1010
Edition 04-2006
BATTERY - CHARGER
PREVENTION = AUTONOMY AND LONG LIFE
Probable causes
Filling done before the charge.
Cells overfilled.
Overcharge.
Filling done before the charge.
Loss of electrolyte due to overflow.
Stratification of the electrolyte.
Electrolyte specific gravity too low.
Short-circuit.
Problem with the charger.
Bad air circulation during charge.
Cell weak or faulty
Cells shorted.
Battery under charged.
Cell faulty.
Faulty cable or connection.
Battery at the end of its service life.
Solutions
Fill battery cells after the charge.
Never charge battery if electrolyte
specific gravity is above 1,240 kg/l.
Fill battery cells after the charge.
Perform an equalization charge.
Contact your JLG Distributor/Product
Support.
Refer to "electrolyte specific gravity too
low".
Clean battery top.
Get the charger checked by a
technician.
Open access doors to batteries during
charge.
Leave the battery to cool down when
disconnected before charge.
Reduce temperature of the area where
the battery is charged (artificial
ventilation).
Change battery cell.
Perform an equalization charge.
Replace faulty cell.
Check wires condition and connections.
Replace the battery.
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