Makita DCU603 Instruction Manual

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27 ENGLISH2. Pull out the battery cartridge from the battery boxwhile sliding the button on the front of the cartridge.► Fig.32: 1. Button3. Turn the lock key counterclockwise, and pull it out.4. Close the cover of the battery box.Machine / battery protection systemThe machine is equipped with a machine/batteryprotection system. This system automatically cuts offpower to the motor to extend machine and battery life.The machine will automatically stop during operationif the machine or battery cartridge is under one of thefollowing conditions.A short beep sound or long beep sound is emittedbefore the machine stops automatically. The batteryindicators and lamps on the control panel blink while thebeep sound is emitted.NOTE: To cancel the beep sound, release the switchtrigger and pull the brake lever.Overload protectionWhen the machine/battery is operated in a mannerthat causes it to draw an abnormally high current,the machine automatically stops and the main powerlamp blinks in green. In this situation, turn the machineoff and stop the application that caused the machineto become overloaded such as reducing the loadedobjects. Then turn the machine on to restart.Overheat protectionWhen the machine is overheated, the machine stopsautomatically and the main power lamp lights up in red.In this case, let the machine and battery cool beforeturning the machine on again.Overdischarge protectionWhen the battery capacity is not enough, the mainpower lamp and the corresponding battery indicatorblink in red. In this case, switch the battery cartridges,or change the battery cartridges to fully charged ones,or remove the battery cartridges from the machine andcharge them.NOTE: The main power lamp blinks in red when thebattery is overheated.Protections against other causesNOTICE: The main power lamp blinks in greenand red alternately when the abnormality occursin the machine. In this case, refer to the sectionfor troubleshooting.Protection system is also designed for other causes thatcould damage the machine and allows the machine tostop automatically. Take all the following steps to clearthe causes, when the machine has been brought to atemporary halt or stop in operation.1. Turn the machine off, and then turn it on again torestart.2. Charge the battery(ies) or replace it/them withrecharged battery(ies).3. Let the machine and battery(ies) cool down.NOTICE: If no improvement can be found orthe machine stops due to a cause not describedabove, refer to the section for troubleshooting.Indicating the remaining batterycapacityCAUTION: Before checking the remainingbattery capacities or switching the battery car-tridges, be sure to stop the machine.CAUTION: When the battery capacitybecomes low, a short beep sound is emitted. Inthis case, lock the brake lever, and then switchthe battery cartridges to charged ones or chargethe battery cartridges. If you continue to operate themachine at low battery capacity and the remainingbattery capacity runs out, a long beep sound is emit-ted and the machine automatically stops and this maycause an accident or injury.CAUTION: If the beep sound is emitted whileoperating on slopes, move the machine to a safeplace, lock the brake lever, and then switch thebattery cartridges to charged ones or charge thebattery cartridges.CAUTION: If the load is large and the beepsound is emitted while operating on slopes, lockthe brake lever and pay attention to safety andswitch the battery cartridges to charged ones.Move the machine to a safe place and lock thebrake lever. Reduce the load before operating themachine again. For details, refer to the section fortroubleshooting.Checking the battery level on thebattery box► Fig.33: 1. Battery indicator 2. Check buttonPress the check button to indicate the remaining batterycapacities. The battery indicators correspond to eachbattery.Battery indicator status RemainingbatterycapacityOn Blinking Off50% - 100%20% - 50%0% - 20%EmptyBattery notinstalled