JLG X20J Plus Operator Manual - Manual (Page 110)

LED Indicator
RED LED indicates that the battery is in the initial charging phase.
YELLOW LED indicates that the battery has reached 80% of recharge.
GREEN LED, staggered with red flashings, indicates that battery rea‑
ched the balance/maintenance phase.
Further information are available in the description of the Charge
Curve.
Example: RED LED on with short shutdowns indicates a constant vol‑
tage phase.
Warnings (two‑tone beep)
A two‑tone beep and flashing LED indicates that an alarm situation occurred.
In case of alarm the battery charger stops supplying power.
BOOM LIFT MODELS X20JPLUS
JLG
106 X20JPR0020413
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7
2
6
4
8
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Condition Type of Warning Description (Action)
Beep + flashing RED Battery presence
Battery disconnected or not compliant
(Check the connection and the nominal
voltage).
Beep + flashing YELLOW Thermal probe
Thermal probe disconnected during
recharge or out of functioning range
(Check the connection of the probe and
gauge the temperature of the battery).
Beep + flashing GREEN
Timeout
Phase 1 and/or phase 2 longer than the
maximum permitted (check the capacity
of the battery).
Beep + flashing RED‑YEL‑
LOW
Battery Power
Loss of control of output current
(Failure of control logic).
Beep + flashing
RED‑GREEN
Battery voltage
Loss of control of output voltage (Bat‑
tery disconnected or failure of control
logic).
Beep + flashing
YELLOW‑GREEN
Selection
An unused configuration has been selec‑
ted (Check the position of the selector).
Beep + flashing
RED‑YELLOW‑GREEN
Thermal
Semiconductors overheating
(Check the functioning of the fan).