Oregon Scientific HT275 Original Instruction Manual page 23

SYMPTOM
Low cut time per
battery charge
Blinking orange
light on charge
state indicator
Hedge Trimmer Model HT275
Troubleshooting
POSSIBLE CAUSE
Cutting blades are dull
Worn cutting blades
Bent cutting blades
Improper cutting
technique
Higher cutting speed
than necessary
Resin buildup
preventing cutting blade
movement
Battery pack not fully
charged
Charger short circuit,
charger over current,
over voltage limit, open
circuit on battery pack,
or charge/pre-charge
time out error
RECOMMENDED ACTIONS
Have the cutting blades professionally sharpened.
Have the cutting blades replaced at an approved
service location.
Have the cutting blades replaced at an approved
service location.
Follow guidelines in "Basic Cutting".
Apply less pressure to the throttle trigger.
See "Blade care".
See "Charging the Battery Pack".
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.
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