Faulty charger: If the charger is faulty, it may not be able to charge the battery. If it is not plugged in, the battery may not be able to power the jump starter.Ģ. Make sure that the jump starter is properly plugged into an outlet. If the battery is low, the jump starter may not be able to turn off. Light not turn off: If your Dewalt 1400 jump starter is not turning off, you need to: Check the battery level. Then, replace the battery with a new one and close the compartment.Ģ. To do this, open the battery compartment and remove the battery. Bad battery: If your battery is bad, you will need to replace it. Some of the most common Dewalt 1400 jump starter problems and solutions:ġ. Make sure the Area Light Power Button is in the on position Make sure that the total draw of all USB devices plugged into the USB Ports does not exceed 3.1A. Refer to the Important Notes in the “USB Ports” section to remedy any faults. If a fault condition exists in either of the USB Ports, the USB Power/Fault Indicators will flash blue.
Make sure all the USB Power/Fault Indicators light solid blue. Make sure the Sure Fit securely screwed on to the valve stem when attempting to inflate tires or that the nozzle adapter is securely screwed into the Sure Fit properly into the item to be inflated on all other inflatables Make sure the unit is not being operated in the Jump Starter mode. Make sure the Compressor Power Button has been pressed to turn the
DEWALT BATTERY JUMP STARTER FULL
Make sure the unit is not being operated in the Compressor modeĬheck that the unit has a full charge.Recharge the unit if necessary Make sure a suitable gage extension cord is properly connected to both the unit and a functioning AC outlet.or Make sure the 12 volt DC charging adapter is properly connected to both the unit and a functioning DC power source. Make sure all of the unit’s functions are turned off. As always, wear chemical eye protection and gloves when working around high current batteries.Dewalt 1400 jump starter troubleshooting Problem Many of these Lithium batteries may be protected internally, but disconnect it immediately when when the vehicle starts. Also, the concern about inrush current into the tool battery is valid. This instructable assumes the vehicle battery will draw enough charging current from the tool battery to create voltage drop to a safe level at the tool battery's terminals. I've seen older car battery chargers blow ECUs. Partial damage to circuits can cause weird or sporadic operation. Overvoltage and static discharges can internally weaken semiconductor structures that fail later. The damage may not be immediately apparent. Subjecting the system to a full18/20 Volts may not cause damage, but there are very expensive electronics at stake in a modern auto. That could isolate the vehicle battery from its cables and the electrical system. One common cause of failure to start is a corroded connection at the battery terminal.
There is always an element of danger present. As I said before, this method of starting a car should not be a danger to your car or to yourself, but different batteries act differently. If something would fail, most likely it would be drill's battery.but it's unlikely.unless you use it for jump starting cars all the time. They have a voltage regulator that prevents overcharging and protects electrical system from the damage. It's unlikely that you'll damage your car or the car's battery by doing this.Ĭars are made to be abused.
I would only use this method to start the car if there is no other way to do it. That's why it's a good idea to let battery charge for a few minutes before trying to start the car. If I stopped the engine and tried to jump start the car again, It was not possible - you would need to charge drill's battery again. I did a few experiments and found out that the battery could only start the car once. If you're lucky, you'll be able to drive away. Wait between 5 - 10 minutes before trying to start the car. Then I connected the negative (-) clip to the drill's battery and the other end of the cable to unpainted metal part of the car.
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