Skil HD529401 Owner's Manual page 158

Defective Charger
If the charger self-inspection fails to react when the charger is plugged in, the causes include
no power to the charger, bad contacts, or a defective charger. Check to see if the charger self-
inspection can be activated when the charger is plugged in again or plugged into a different
outlet. If it still fails, have the charger serviced by an Authorized SKIL Service Station.
Defective Battery Pack
If the charger detects a problem, the red Defect Indicator will begin flashing. Remove and
re-insert the battery pack in the charger. If the Defect Indicator flashes a second time, try
charging a different battery pack.
a) If a different battery pack charges normally, have the first defective battery pack serviced by
an Authorized SKIL Service Station.
b) If a different battery pack also indicates "defective," the charger may be defective. Have the
charger serviced by an Authorized SKIL Service Station.
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