Yamaha DRIVE2 AC 2019 Owner's/Operator's Manual page 43

Troubleshooting
1. LED Error Codes (For Battery Condition)
Incorrect reassembly may result in a risk of electric shock or fire. The
following procedures are intended only to determine if a malfunction may
exist in the charger.
To reduce the risk of electric shock, always disconnect the charger's AC cord
set plug from AC power and its DC cord set plug from batteries before
attempting any maintenance or cleaning.
Do not operate the charger if it is malfunctioning. Personal injury or property
damage could result.
J0E
MAINTENANCE
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