20 Most Recent Makita Tools 18V 1/2" Lxt Lithium - Ion Hammer Driver - Drill Kit - BHP451 - Page 7 Questions & Answers

On the Makita 18-V DC18RA charger, the flashing red light means that the battery is not at the correct temperature for safe charging. If the battery is hot (from use or being in direct sunlight), charging will begin when the battery cools down. If the battery is cold, then charging will start when the battery warms up. (Note: the cold battery could have moisture condensation issues. This could delay the start of the charging cycle.) Home Depot has the manual for this charger here: https://images.homedepot-static.com/catalog/pdfimages/35/35393127-7c0b-4668-8609-9104ae7cc187.pdf . I suspect that Makita uses the same "code" on all of their chargers. I hope this helps. Cindy Wells

You can try to recharge batteries and see if they work by placing them in tool. If you are using Ni cad batteries and charger, you would better served by going lithium ion batteries.

I’m not sure if you can buy a new c/board .
The charger tests the battery before charging & if it picks up a fault it won’t charge the battery. At our repair shop we just replace the whole battery ( under makita warranty if it’s under two years old / depending on what warranty your country has )

MOST mAKITA POWER TOOLS HAVE A 3 YEAR WARRANTY. THEY MAY REPAIR OR REPLACE YOURS AT NO CHARGE. DON'T WORRY ABOUT RECEIPT UNTILL YOU CHECK. DATE OF PRODUCTION ON TOOL MAY BE ENOUGH PROOF.

Yes, there should be a couple of tiny holes in the brush holders you can push tiny Allen wrenches in to hold brushes back against springs to clear armature to assemble.

go to Makitatool.com and type in your model number and you should be able to download a schematic, if you have a problem let me know and I will go another route for you.

The serial number is on the main label. Unfortunately they have a habit of wearing off.

copy and paste into search engine took about 5 seconds to find answer. makita hr3000c manual Makita HR3000C Instruction Manual

LED sensor

Squirt a little release oil(WD40 type) on the other part of the jaws and the inner of the chuck.then push the forward /reverse switch to the Arrow pointing forward(toward the chuck) then holding the chuck with the drill in No1 speed gentle pull the trigger until the jaws release and move all the way to fully closed.After this the drill should work properly.

replace battery or buy a new tool

Most likely replacing that Resistor is not the only problem, do you know how to replace surface mount components? I can look on a know good unit and see if there is a value or measure it. Surface mount components are not sold like regular electronic parts were.

you can try going to either makitausa.com or ereplacementparts.com for a parts diagram. Let me know if you need more assistance.

grab a new one at ereplacementparts.com open up your drill and disconnect the wires from the old trigger and or trigger switch and put in the new one.

just grab a short extension cord and open up the drill and cut the female end off the extension cord and either solder it in or crimp it in if that seems doable. If it runs in reverse switch the wires.

Problem. Should be a warranty repair or replace. Don't try to fix it, you'll void the warranty if you crack the handle open to look.

I would say it has stripped a gear and it jammed up. If this has happened , it would be cheaper buying a new drill. Try using a pair of multigrips to force the chuck around. If you get it free and the drill runs again, it could have just "jumped a tooth" and may be OK. If it crunches and locks up again, its rubbish bin time.

quicker and easier to just buy the correct voltage charger