August 2021 Service and Repair Manual
Battery Charger
Part No. 1309020GT GS
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-30m • 32m • 30 • 32 • 46 • 55 205
Charger Error Codes
Description
Possible Causes
E-0-2-1 High battery voltage detected while
charging
Battery voltage too high as
detected by charger profile.
Check battery voltage and cable
connections.
Confirm charger profile is
programmed for correct battery
type.
Self clearing when condition has
been corrected.
E-0-2-2 Low battery voltage detected while
charging
Battery voltage too low as
detected by charger profile.
Check battery voltage and cable
connections.
Confirm charger profile is
programmed for correct battery
type.
Self clearing when condition has
been corrected.
E-0-2-3 High AC voltage AC voltage greater than 270 VAC. Connect to a stable AC source
between 85 - 270 VAC / 45 - 65
Hz.
Self clearing when condition has
been corrected.
E-0-2-4 Failure to initialize Charger failed to turn on correctly. Disconnect AC input and battery
pack for 30 seconds.
Contact Genie Product Support.
E-0-2-5 Low AC voltage oscillation AC voltage unstable. Connect to a stable AC source
between 85 - 270 VAC / 45 - 65
Hz.
Using an undersized generator.
Self clearing when condition has
been corrected.
E-0-2-6 Script failure Software update failed. Confirm USB Flash Drive is
formatted with correct software.
If software update continues to fail,
contact Genie Product support.
E-0-2-7 USB over current fault USB over current protection has
been tripped.
Remove and re-insert USB Flash
Drive.
Use different USB Flash drive.
E-0-2-8 Charge profile incompatibility Selected charger profile is not
compatible with charger software.
Update charger software.
Confirm charger profile is
programmed for correctly.
Updating current firmware and
error occurs, contact Genie
Product Support.