Product Manual
35
OREGON® Cordless Tool System 
CHAIN SAW MODEL CS300
TROUBLESHOOTING
AA 1214 - F/N 573259
SYMPTOM POSSIBLE CAUSE RECOMMENDED ACTIONS
Steady alarm 
beeping when 
trigger pulled
Heavy use has 
overheated the motor
Let the saw cool down and then resume cutting.
Chain brake is engaged
Before starting, make sure the hand guard is in its 
most rearward position (chain brake disengaged). 
For correct hand guard position, see “Starting the 
Saw” in this manual.
Battery pack does 
not charge
Battery pack over/under 
temperature protection 
is activated
This may occur when the saw is run continuously or 
exposed to high ambient temperatures. Allow the 
battery pack to reach the acceptable temperature 
before charging. See “Battery Pack and Charger” in 
this manual.
Dirty or damaged 
contacts on battery 
pack or charger
Inspect the contacts on the both the battery pack 
and charger. If necessary, clean according to the 
instructions in this manual. Reinsert battery pack 
into the charger, making sure it is fully seated.
Battery pack is at the 
end of its life
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 chain 
saw. 
Charger faulty
Have the function checked at an approved service 
location.
Low cut time per 
battery charge
Dull chain See “Sharpening with PowerSharp®” in this manual.
Worn chain
Replace the chain. See “Replacing a Worn Saw 
Chain and Sharpening Stone” in this manual. 
Dry chain
Check the oil level. Refill oil reservoir if necessary. 
See “Filling the Bar and Chain Oil Reservoir” in this 
manual. 
Over tensioned chain See “Tensioning the Saw Chain” in this manual.
Improper cutting 
technique
Follow guidelines in “Cutting” in this manual.
Debris in side cover
Remove battery pack, then remove side cover and 
clean out debris.
Battery pack not fully 
charged
Recharge. See “Battery Pack and Charger” in this 
manual.
Blinking orange 
light on charge 
state indicator
Charger short circuit, 
charger over current, 
over voltage limit, open 
circuit on battery pack, 
or charge/pre-charge 
time out error
1. Make sure the charger cord is connected to both 
the charger and the electrical outlet. 
2. Make sure the charger is receiving the correct 
voltage. 
3. Try charging another battery pack designed for 
this charger. 
If this does not correct the problem, have the 
function checked at an approved service location. 










