- 8 -Indication panel(1) (2)(1) Battery level indicator and button• Press the battery level button.Battery level indicator shows battery levelfor approx. 10 seconds.NOTE:The indicator will not show the batterylevel even the button is pushed in thefollowing cases.• The main unit is powered off.• Just after attaching the battery pack• The main unit or battery level button isnot operated for approx. one minute.Push the battery level button again afterdepressing the trigger switch.• The battery temperature is high.Stop the operation and wait until thebattery temperature is low.Indicator Battery status3 lampsilluminatedChargedenough2 lampsilluminatedApprox. 50%remainingOne lampilluminatedBattery levelis low.Need to becharged soonOne lampflashingEmptyNeed to bechargedimmediatelyBattery level indication is just guide.The indication may change due to thecondition of battery or ambient temperature.(2) Overheat warning lampOff(normaloperation)Illuminated:Overheat(motor)Flashing:Overheat(battery)Indicates operation hasbeen halted due to motoror battery overheating.To protect the motor or battery, be sure tonote the following when carrying out thisoperation.• If the motor or battery becomes hot, theprotection function will be activated andthe motor or battery will stop operating.The overheat warning lamp on theindication panel illuminates or flasheswhen this feature is active.• If the overheating protection featureactivates, allow the tool to coolthoroughly (at least 30 minutes). Thetool is ready for use when the overheatwarning lamp goes out.• Avoid using the tool in a way that causesthe overheating protection feature toactivate repeatedly.• If the tool is operated continuously underhigh-load conditions or if it is used in hot-temperature conditions (such as duringsummer), the overheating protectionfeature may activate frequently.• If the tool is used in cold-temperatureconditions (such as during winter) or ifit is frequently stopped during use, theoverheating protection feature may notactivate.Recommended GripUse the grip to hold and operate thedriver with one hand. If the job requiresadditional force, you can push against therear end of the driver with your other hand.