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The battery lacks sufficient charge
Charge the battery completely
The battery is not installed correctly
Remove and reinstall the battery
The trigger lockout was not engaged
Press and hold the trigger lockout before squeezing the trigger
Device protection systems have engaged
Remove the battery, allow it to cool for 30 seconds, then reinstall
the battery
The blades are jammed by debris
Stop the motor, wait for all moving parts to stop, remove the battery,
and allow the unit to cool. Carefully remove the debris
The blades are damaged
Have the unit repaired by an authorized service center
The battery charger is not plugged in
Plug the battery charger into a 120V 60hz AC source
The battery is not fully inserted into the battery charger
Remove and then reinsert the battery into the battery charger
completely
The battery and/or charger are too hot or too cold
Make sure the battery and charger are in an environment between
32° and 104° F (0° and 40° C). Allow time for the battery and/or
charger to warm up or cool down.
The battery and/or battery charger are no longer functional
Refer to the
Warranty
section for replacement information
TROUBLESHOOTING
PROBLEM
SOLUTION
The battery is not fully charged
Charge the battery completely
The battery and/or battery charger are no longer functional
Refer to the
Warranty
section for replacement information
If further assistance is required, contact an authorized service center.
THE BATTERY WILL NOT CHARGE
THE BATTERY DIES QUICKLY
THE MOTOR RUNS, BUT THE BLADES WILL NOT MOVE
THE MOTOR STOPS WHILE IN USE, BUT THE BATTERY STILL HAS SUFFICIENT CHARGE
THE MOTOR WILL NOT RUN
Summary of Contents for RM4020
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