Reply It has been developed to maintain and optimize the charging process to ensure high quality and longest life of lead-acid, AGM, WET or GEL batteries. On re-connection to the mains and if the battery is of the same type (6 V or 12 V), the unit starts up automatically in the last mode. Thanks for the howto anyway. Looks an easy fix, but I really don't want to suggest doing something you are unsure about! on Introduction, thought i might have to replace the switch but sprayed electrical cleaner and it started working. Do you need a compact battery charger to take with you on the road? To reset the battery management system, do the following: Remove the battery from the battery mount Press and hold the On/Off button on the battery for 10 seconds The battery management system should now be reset. In this case, just press the button again until LED jumps from 6V to 12V LED and wait for charging. Add to Cart. I sprayed contact cleaner on the switch and it worked! You will open up a circuit that can cause serious injury or even death if powered on, so as the step no. I hope it's needless to say, detach the charging cables from the battery as well. Share. Only the size of the switch is important, I haven't measured voltage and amps but they supposed to be very low here. Good luck! Sometimes the gap at a broken soldering point is very thin. The device is already dead, so I can't make it any worse. Hi. and the battery when not in use. The C7 is even capable of effortlessly re-charging exhaustively discharged batteries. (So the multimeter is connected in parallel to the switch)For current: A little more complicated, you need to connect the multimeter in serial, so only one side of the switch (two legs) is not connected to the board, and the other two is connected to the first probe of the multimeter, and the second probe is connected to the board. Compact and lightweight, this battery is easy to store and automatically charging by internal micro-computer unit. The Bosch C3 battery charger can save you money and benefit the environment by maintaining the battery and avoiding premature battery failure. The C7 is even capable of effortlessly re-charging exhaustively discharged batteries. Marked as IP65 at the bottom sticker, so it should be weatherproof. Oh yes, there it is! As you have seen the case is almost airtight, the power inlet and charging outlet wires are rubber molded, there is a rubber seal between case halves and even the screw-heads are plugged in heavily. Under use of a battery is just as bad for it as constant use. Simple as it is! Thanks for the detailed write-up. The charging LED starts blinking then shuts off? I would try it on a known good battery, however bad battery does not start charging. Heat up the solder until it became liquid, then suck it up with your desoldering pump. Offering convenient and efficient battery charging, even in deeply discharged batteries: The C3 battery charger for 12 V passenger car starter batteries and 6 V and 12 V two-wheeler starter batteries can automatically detect the type of lead acid battery and the correct charge level. (You can try attaching a resistive load however the smart charger might decide battery voltage is non-existent therefore it shuts down operation.) Discover how easy it is to charge your vehicles with Bosch C3 Battery Charger. Can you send a picture? Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! Each of them is hidden behind a rubber plug. FYI If you ever get a new capacitor for anything, The polarized ones usually have one lead longer than the other. I'm SO happy that it helps so many of you, thanks a lot for the feedback! The C7 from Bosch charges hard-working starter batteries in vans, campers and large motorbikes. But he seems to want to change subject or have me start over with another kit. Instrukcja Bosch C3. Bosch C3 Battery Charger. Solder in the new switch and clean up the area. I think someone dropped it while it's charging (pulled the extension cord). Additionally, the switch can be replaced easier if you have access to the bottom too. Thanks for this valuable manual! Your method of pulsing the pack to get it back to work is, usually, a good one, and can also be used with some cell phones that appear to be dead, by connecting/disconnecting the charger every 10-30 seconds for a few minutes, this will “trick” the “kill switch” circuit into allowing a small current pulse into the battery pack, and it only takes a small bit of charge to get the cell voltage back above 2.3 V/cell (11.5 V for … I was also annoyed with a switch, but it started to funfill a few times. Bend the other ends of the legs to fit the switch tight, and solder the four pins to their posts. To find the right user manual, simply enter the part number of your tool (located on the nameplate). Love you Moire. Bosch SmartCharge Pro is a professional-level battery charger/maintainer that is compatible with a wide range of applications, including heavy-duty trucks. Yes, you are reading it right, zero point 1 USD is the total cost of this repair (and a reason for a failure of a hundred-dollar device). :). I also applied the Urethan spray on the pinline after soldering. Check the continuity of wires/lines to the PCB with a multimeter. The Bosch C3 charger is a one touch switch mode battery charger with fully automated pulse maintenance and trickle charging functions. The promises made by the outward appear - ance are kept by innovative technology and comfort and convenience functions. Put it the new switch in place and push it down fully. This outcome was due to the kind intervention of the Craftsman's Community Engagement Manager. :) Awesome! No suprise, it is live again, and charges just fine! Was about to bin my Borch C7 charger until I read your post.I was not able to desolder the 10 connecting pins. Just pop out those plugs with a small flat-headed screwdriver. Here you can download and print out user manuals for Bosch power tools, not only for current tools but also for tools that are no longer available on the market. You will need to play-in the board to its place. :). In addition, the battery charger is controlled b y an . I have tried taking the battery out of the charger and depress the button for 10 seconds as I have been told it resets the battery but to no avail. I did … Now it's time to look for someone capable to work on it. Tried solder sucker and copper braid technique but there were too much solder left behind to remove the board. Any protective/insulation layer on the PCB can make you read a false positive , so make sure your multimeter's testing post is really touching metal. On C3 charger, pulse charging happens automatically if a 12V battery is in between 8V and 10.5V but we cannot select it manually. However if a battery is toast, it wont start charging at all. It failed on me couple of years ago prior to your post. I have several Bosch battery tools that all use the same batteries & charger. I have a Bosch C3 intelligent charger that soon after the warranty time just stopped working. :). I checked mine and I was so glad that my switch was faulty! specialists. C3 battery charger. If the C3 charger is disconnected from the mains vehicles – e. g. WET batteries (with liquid electro- In addition, the battery charger is controlled by an away from fuel pipes. If not, I'd suggest you have a short in the drill rather than the battery. Like most middle class working people you will spend $1000’s with SEARS in your life time. How do you mean "funfill" and that "it does not keep"? 1 year ago (My C1 didn't have any coating though). Maybe condensational moisture, I don't know. So that the current can flow through the multimeter and can be measured. You need to disconnect from the car and wait at least half an hour until real voltage can be measured. Current Milwaukee chargers, like those produced by other manufacturers--including Ryobi, Bosch, Makita and deWalt--have flashing lights that tell you when a battery is charged, when one is too hot to charge and when one is defective. I have C7 and the same issue with button :( I'm very dissapointed wth Bosch and "german quality".... Btw, do you know the parameters for this switch? Reply When the switch is pushed, it makes contact between the 2 pair of pins. Do not you know where the fuse is 1.6 A, or if there could be a problem in the switch?Many thanks in advance. A worn out battery won't charge, but you may be able to give it new life--at least temporarily. After soldering, I cleaned both boards with a diluent and applied a layer of Urethan 71 coating insulator to protect the circuit from later corrosion. soltc, did the battery do the same thing with all the tools? Try to charge a battery! After repeated tries to get the Lithium-Ion Battery Pack to charge, I returned the battery pack and charger to Sears in Hicksville, NY (Sales check # 012641090696).for a warranty exchange. Measure the battery voltage with a multimeter after waiting an hour after disconnecting from car, it should read more than 10V. Award-winning battery chargers from Bosch The Bosch C3 and C7 battery chargers received the coveted Red Dot Design Award 2011 as an “honorable mention” for their simple ergonomic operation and good industrial design. Below I’ve copied the message I sent Sears and the Craftsman Club this morning. You will see 5 small bolts on the panel, but only 2 of them are holding the panels inside! The fix was successful and was relatively easy, it took 1,5 hours for me including taking the pictures. I bought 1st 19.2v battery in a kit with regular charger and drill at sears a few years back I had heard they were good so I bought couple more things in 19.2v at sears so then I bought like 3 used batteries of eBay they weren’t priced to high (probably have 10 or more things by now that will work off same battery). 3 years ago, Thank you, Glenn, I'm glad that you could make it work so quickly! But you'll need a voltmeter to troubleshoot most chargers. The case of the Bosch C3 is very solid and robust. I replaced the battery with the second one (also at >2/3, 3 leds on, of charge) and tool did nothing. Without knowing the reasons of these kind of corrosion exactly, I'd take a wild guess on that the reason why microswitch failure happened might also be a result of some kind of this corrosion on the metal contacts of the switch. 5 1/2" saw, drill, and light. I was about to throw that C3 at the garbage when I decided to give the Internet another shot. C7 battery charger pdf manual download. So you can get through the winter without any problems. Re: Help fixing Bosch charger please (capacitor polarity) Usually on circuit boards if the fuse is soldered in it shouldn't be replaced cause something bad has happened as you found out. If you like me prefer to separate the panel boards, remove the 3 screw that you didn't remove previously, and set them aside in a safe place. (See the link about this issue at Amazon customer reviews on Bosch C3 Charger). I am so happy that I could fix it, that I thought it may worth creating my 1st instructable, and help you guys out there, fixing your own Bosc C3 charger! 2) Secondly, suppose your 12v battery goes below even 8V, then C3 charger will recognize it as 6V battery and will show charging complete or may even go to standby mode in blue color light. Do you need a compact battery charger to take with you on the road? The SmartCharge Pro includes six different charging modes and a digital display that allows users to see the status of the charge in … Thanks! Now Bosch has simplified the operation of both charging units even further with the addition of a memory function and … In this case, just press the button again until LED jumps from 6V to 12V LED and wait for charging. Yea. When you removed, you can check the failure again with your multimeter, and check the replacement switch too for proper operation. Seemingly about as easy as you could buy: one button, working on any type battery… However if a battery is toast, it wont start charging … I have 2 chargers, but one failed about 2 years ago & the other one failed yesterday. Then I see Craftsman 19.2 volt Lithium-Ion Battery so then I ask some questions about them from people who worked at local store I had good luck with my other batteries and they had told me these were even greater than those others the new Craftsman 19.2 v Lithium-Ion Battery had no memory and could be recharged at any time. Only when the panel is in its final place, only then solder back the pins of the pinline. Fortunately I have couple of these switches laying around so I just take one out from my stock and replace it. I placed the tool with no battery to L-Boxx for 30 minutes, and after it started to work fine with any of both batteries! Warning! You can try measuring the voltage and amps with a multimeter though, if you are really curious, but there is a chance that you will only have momentary values that you can't actually read accurately, because it's an impulse switch, and its only for rotating the modes of the logic of the circuit. The other 3 are holding the two boards together, so you don't have to remove them yet. It's always good to hear about a business trying to make things right. The charger can be so cunning as to output only a low voltage until it has found out a proper Bosch battery is attached and is ready to be charged. Shop the Bosch C3 12/6V Smart Battery Charger from Autozone SA's online store today. Doing so can heat up the board and components too much and may kill you C3 charger board. Two of the pins are shorted by default on both sides. But a circuit diagram (schematic) would be helpful. I have told store owner 2 or 3 times in last couple years. ... 3 The charger is only t o be repair ed b y qualified . (However, the charger worked fine with my 4 Craftsman C3 Battery Pack and all of my C3 tools ran well with these Ni-Cad packs.) The Bosch C3 Battery Charger is an intelligent four-stage automatic battery charger with pulse charging and trickle charging capabilities. I'm so happy that it worked for you too! Troubleshooting a 12-volt battery charger is relatively easy. If the C3 charger is disconnected from the mains during charging, the unit stores the mode imple- mented. With the C3 from Bosch, weak passenger car batteries and scooter and moped batteries can be charged automatically, quickly and reliably. The Bosch C3 can bring a discharged battery back to life. Insert the switch's legs into their apropriate holes. For a better experience, please enable JavaScript in your browser before proceeding. C7 battery charger. Once you get all the bolts out, you can de-solder the pinline that connects the 2 boards together. The switch is a 6x6mm 4-pins push-to-close type switch in SMD case, again, very common type. Then they would no longer hold a charge. I would open it up and take a look. Only remove these 2 philips bolts as shown in picture. Thank you for your comment, I'm very happy if it worked for you too! Add to Compare. Need to disabled everything on the board before I have room to do anything! Anyway I thought sears should have at least exchanged batteries. A forum community dedicated to professional woodworkers and enthusiasts. (However, the charger worked fine with my 4 Craftsman C3 Battery Pack and all of my C3 tools ran well with these Ni-Cad packs.) The Bosch C3 charger … The joy ended after only one or two recharges, as the batteries would no longer charge. After repeated tries to get the Lithium-Ion Battery Pack to charge, I returned the battery pack and charger to Sears in Hicksville, NY (Sales check # 012641090696).for a warranty exchange. If it all seems to be ok, you can check each soldering points for a break with the multimeter, one post connected to the soldering point on board, the other touching the soldered part's leg. :). oooooooooooooooooooooooooooooooooooooooooooo, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. After a short delay the unit switches automatically to trickle charge mode and the LED (11) lights. thanks for the update, soltc. Now here comes the switch change, but if you are reading this, then I'm sure I don't need to tell you how to do this.Easiest part of the project, but if you are interested in how I did it, I will tell you in the next step. Heat the point in shorter bursts, do not heat one point for long! For voltage: Set your multimeter to DC 20V setting and connect the two probes to one of both opposite pair of legs. If succeeded, you can tighten back the 2 screws, put on the back cover, and fasten the 6 case-screws with your triangle-shaped special tool. So you won't be able to remove the panels completely but you can turn it out from its place so you will access to the other side of the board. I did … While SEARS Customer Service sincerely tried to help, they don’t have Craftsman-knowledgeable personnel to assist customers. Re-install the battery and turn on the bi Again, please double check that you have unplugged the power chord and detached the battery from the charger terminals! I therefore want to repair them. Congratulations, you made it, and let's hope that you made it well! On paper, the C3 should be great. Tape the wire to the terminals, and wait for one or two minutes. I think 20mA setting would be sufficient, but it doesn't hurt to start with 200mA or even higher setting, just for safety. The C7 from Bosch charges hard-working starter batteries in vans, campers and large motorbikes. Thanks a lot, I had the same problem and I followed your instruction and now my C3 works fine. Bosch C3 6/12V Black vehicle battery charger C3, 6/12, Type C (Europlug), 3.8 A, 0.8/3.8, Battery discharge, Overcharge, Overheating, Reverse polarity, Short circuit, IP65 Brand: Bosch 4.1 … I bought new Die Hard C3 packs off Amazon and now they work as good as new. :), Amazon customer reviews on Bosch C3 Charger, Design and 3D Print Your Own Phone Case (in Fusion 360). Has your battery gone flat after an accessory was left on overnight? I hope you will make it or have it repaired. It is a typical problem with this charger but please be advised that I cannot assure if your device has the same problem or something else! The Bosch C3 can bring a discharged battery back to life. Since the charger is responsible for charging your vehicle's battery, you want to make sure that it is working, that there is no resistance in the lead wires, and that the voltage coming out of the charger is what it should be. It's a hundred-dollars intelligent charger and I really love its simplicity so I tried to search the net for a possible fix. C7 battery charger. (Ask me how I know... :) ). A serious problem appears to exist with the Craftsman C3 19.2 volt Lithium-Ion Battery Pack. C3 battery charger. I have 2 chargers, but one failed about 2 years ago & the other one failed yesterday. Be careful and patient, don't heat it very long, use your desoldering pump and heat it in shorter bursts. Test the charger 1st on a good known battery and let me know the results! If you left it disconnected overnight and it is only 5V then you probably need a new battery. The Bosch C3 12/6V Smart Battery Charger is a the ideal piece of DIY e ... MR FiX 9H Windshield Repair Kit (DIY) R225.00. I’m happy to report that the subject battery has been replaced with a fully functional one. Add to Cart. When it's clean, dry and shiny, you can put the 3 bolts, plastic spacer, washer and nut back and tighten the bolts. Page 6: Mode Selection LED will light up (11) and (10) go out. :), Thank you for this! Craftsman 19.2v Battery Fix: I bought two of these 19.2v lithium batteries for my Craftsman Drill on eBay and was very happy with their low weight and high power.

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