Oregon ST250 Original Instruction Manual page 28

TROUBLESHOOTING
SYMPTOM
Battery pack over/under
temperature protection
is activated
Dirty or damaged
contacts on battery
Battery pack does
pack or charger
not charge
Battery pack is at the
end of its life
Charger faulty
Improper cutting
technique
Higher cutting speed
than necessary
Low cut time per
battery charge
Grass wound between
shaft and trimmer head
Battery pack not fully
charged
Charger short circuit,
charger over current,
Blinking orange
over voltage limit, open
light on charge
circuit on battery pack,
state indicator
or charge/pre-charge
time out error
28
POSSIBLE CAUSE
This may occur when the trimmer/edger is
run continuously or exposed to high ambient
temperatures. Allow the battery pack to reach the
acceptable temperature range before charging. See
"Charging the battery pack".
Inspect the contacts on both the battery pack and
the charger. Clean as described in "Maintenance
and cleaning", then reinsert into the charger and
make sure it is fully seated.
All batteries have a limited life. If the battery pack
is more than two years old or has been recharged
frequently, it may be time to replace it. Replace
only with the battery pack specified for this
trimmer/edger.
Have the function checked at an approved service
location.
Follow guidelines for the operation you are
performing. See "Trimming" or "Edging".
Apply less pressure to the throttle trigger.
See "Correcting grass bind".
See "Charging the battery pack".
1. Make sure the charger cord is connected to both
2. Make sure the charger is receiving the correct
3. Try charging another battery pack designed for
If this does not correct the problem, have the
function checked at an approved service location.
OREGON® CORDLESS TOOL SYSTEM
TRIMMER/EDGER MODEL ST250
RECOMMENDED ACTIONS
the charger and the electrical outlet.
voltage.
this charger.
AE 0213 - F/N 558938