Diagnostic Indicators - Flex FX4331 Operator's Manual

TEMPERATURE PROTECTION MODE
The temperature protection mode will protect
the tool when it is used at extreme cold/hot
temperatures (outside the recommended
ambient operating temperature range), or
the tool overheats/freezes during use. If this
happens, the tool will not run and the power
button/ indicator LED lights will flash alternately.
Allow the tool to warm up or cool down before
use.
Problem
Temperature of the
battery pack is too
high.
Battery pack
undervoltage.
Temperature of
the electronic
components is too
high after continuous
operation.
Poor connection
or other electric
connection failure
The tool came to a
stall. Or short circuit
Electronic
components failure.
Indicator light
under power
switch
Flash
Flash
Off
Off
Flash at the same time
Off

DIAGNOSTIC INDICATORS

The indicator LED lights under the power switch
and the mode button also provide feedback to
indicate problems with the tool and/or battery
pack. Refer to the table below to interpret the
message behind the flashing LED lights and
possible solutions.
Indicator light
light under
under " "
Off
Off
Flash alternately
Off
Flash at the same time
-16-
Indicator
Solution
" "
Allow the battery
Off
pack to cool down
or use a different
battery pack.
Off
Allow the tool to
cool down.
Remove and
reattach the
battery pack, then
restart the tool.
Off
Or contact
authorized service
center for repairs.
Restart the tool.
Or contact
authorized service
center for repairs.
Contact
authorized service
center for repairs.