Flex FX0511 Operator's Manual page 10

There are indicator lights on the battery adapter and the power supply respectively. To interpret the
meaning of different light colors and flashing patterns, refer to the table below:
Mode
Battery adapter
Power supply
* If the red light on the power supply is flashing because of overheating, disconnect the plug from
the outlet and allow the power supply to cool down. When the temperature drops some, but does
not yet return to normal level, the power supply indicator light will turn steady yellow. Only when
the temperature drops to normal and the power supply indicator light turns green, the plug can be
reconnected to power supply, otherwise the temperature sensor will not reset properly.
NOTE: If the battery adapter is malfunctioning, the indicator light on the power supply will be off.
Indicator
Flashing red
Red light on for 1
second, then off
Steady red
Yellow light on for 1
second, then off
Flashing green
Steady green
Steady yellow*
Flashing red*
Meaning
Power suspended.
Self-inspection. Normal
operation.
Power suspended.
Self-inspection. Normal
operation.
Normal operation.
Battery adapter is not
attached to power tool.
Normal operation.
Battery adapter is
attached to power tool.
Temperature
protection.
Power suspended.
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Actions
Disconnect the plug, wait for
the red light to go out and
then reconnect the plug.
N/A
Disconnect the plug and send
the power adapter to a FLEX
Factory Service Center or
Authorized FLEX Service
Station.
N/A
N/A
N/A
Power supply cannot be used
due to high temperature.
(Can be used once the power
supply is cooled).
Disconnect the plug, wait for
the red light to go out and
then reconnect the plug.