Ensure that you maintain a gap from underneath when replacing, as recommended by the Kohler generator troubleshooting manual. Steam generation is indeed quite fast and extremely effective. What are the brand and model of your steam generator? The maximum allowed temperature for the Kohler K-1663 steam unit is 125 degrees Fahrenheit. Nlis The steam heads do not need to be located on the same wall. I need help identifying my Kohler product. Or you might get help from a licensed electrician. Steam shower generators do require a lot of electrical current in most cases and can easily trip the circuit breaker at the main service panel box. simple thing have been checked , filter, water psi reg . See Mr. Steam generator. On 2020-11-21 - by (mod) - fixing a 13 year old steam shower, Ariel WS-600. The probe is a stainless steal rod. Hi there. Reinstall your control on the wall. This is a video of the repair I made to my Kohler Steam Generator. (17 pages) Iron Kohler K-1695 Installation Manual. All information is provided "AS IS." MrSteam generators are built to last, requiring very little maintenance to keep you steaming . Since yours is a packaged steam room set-up, I think that the steam controls and temperature sensor location and wiring are factory-set-up, right? We've listed some common problems and potential causes below. HVAC NOISE-1 BANG BUZZ VIBRATE - banging, bearings, buzzing, thumping, vibrating soundsOn a Mr. What Is the Difference Between Spackle and Joint Compound? Steam before ordering the part. InspectAPedia tolerates no conflicts of interest. Either way though, be prepared to spend a couple of hundred dollars on the repair. On 2021-08-24 by Mike - may need aux temperature sensing probe and cable to control steam generator temperature. The PowerClean feature is a 45 minute flushing cycle that removes hard water buildup within the steam generator. Check the control wire connections at the control board in the steam generator2. Find a Dealer. The third red light HTR (Heater) only turns on when the steam room control is calling for steam. Repair. Prepare the Site NOTE: This section continues the installation described in the steam generator installation instructions. Press the temperature button to adjust the temperature if the maximum allowable temperature has not been reached. Low steam pressure from the generator is usually caused by leaks or faulty seals on the water and steam outlet valve or pipes. On 2020-12-18 Bring your brightness down to 10 percent and press SAVE. On 2021-12-04 by Inspectapedia Com Moderator - Mr. See the attached detail from the Mr. But before ordering a new control I'd check with Mr. Check the green status light on your steam generator. Make sure the nuts on top of the probe are snug tight. Three pics, following the route from the generator to beneath the shower Customer attachment 5/24/2022 12:57:35 PM Customer attachment 5/24/2022 12:57:38 PM Blue line is supply, copper is steam. Unless you really know what you are doing, repairing or replacing the heating coil is a job best left to a professional. Remove top cover to steam unit. Check the water pressure being delivered to your unit to be sure it's not higher than is permitted by the IO manual Solenoids can get damaged from cycling fast, grime build-up, and intense heat. The jumpers are labeled jmp4, jmp3, and jmp2. H2O - a warning shown at the start of this article, means that the system is not detecting sufficient water - the manual lists several possible causes. Wound the end of the cable twice around the Tempo Control (TC), and let the end of cable with probe dangle in the air. A savvy tech might also check the wiring connections (loose or corroded or burned) and also check for known problem-brands of circuit breakers and electrical panels. Steam can sell you a new control switch; you might need to run new wiring too or change connectors on the old wiring. Adding: Do a manual cleaning of your steam room generator every few years. Make sure this is clear of any debris or obstructions that might cause a blockage. On 2019-10-14 by (mod) - replacement parts for older Mr. Remove the control from the wall. by Inspectapedia Com Moderator - where there's smoke, there's risk. NOTE: For every additional foot of ceiling height above 8' (2.4 m) choose the next largest steam generator. On 2021-11-19 If the breaker switch seems to be okay, but you are still not getting power to the steam shower generator, you should open the service panel on the generator itself. Customer Care Center if this steam generator will be installed at an elevation over 6000' (1829 m) above sea level. Found no anomalies. But on the off chance we can GUESS usefully Moreover, would unit still be able to generate steam, that is after it shuts downs and I reset circuit breaker restoring electric power, even though I have not touched and depressed the heat reset button? Invention prototypes are another of his many accomplishments. We were able to fix the problem by replacing the control cable between controller and steam generator. I'm not sure I can see the Spa brand and model: give us that so that together we can check the manual's troubleshooting suggestions before contacting the manufacturer. Kohler Marine Generator Troubleshooting. Apply silicone lubricant to the steam head O-rings. Since the engine is the generator's heart, restoring it helps you trace and fix a problem. hello@mrsteam.com 43-20 34th Street, Long island City NY 11101 800 767 8326 fax: 718 472 3256 3. Supposedly Jumper 1 is concerned with maintaining steam room temperature which, of course, relates to my problem . If your steam shower generator is getting power, but is producing no steam at all, there are a couple of things you should check. Bottom line: I took my eyes off of the worker with the hammer drill! Filter by Sales, Service & Installation Service Only Installation Only Sales Only. It helps to have over 50 years of farming and ranching experience. I don't want to buy a new generator just because the control switch is broken. breaker. On 2020-09-27 - by (mod) - upgrading the controls on older Mr. Steam was not generated and the wall control displayed two error messages. Re install the probe with Teflon tape. The manual above is the source of the error codes I show below. 1230489-2-C Kohler Co. On 2021-08-24 by inspectapedia.com.moderator (mod) - temperature control does not turn off the steam generator - check control board jumpers first. She'll also check the control board and also the circuit breaker size against the wire size and the current draw required for the steam generator itself. A Kohler generator troubleshooting may be the answer to a generator that constantly breaks down, causing inconveniences. Especially if the noise has always been present, I'd suspect this snafu. Steam a call for advice. If you do need to reach inside the service panel, make sure to switch the circuit breaker off at the main breaker box first. On 2020-05-08 - by (mod) - Nature Steam Generator Troubleshooting. Shop steam showers by KOHLER. Then it will not turn on My air tempo has a co code what is it and how do i fix it, On 2018-11-30 by (mod) - repair or replace Kohler Steam Generator Switch. If you are certain that the incoming water to the steam generator is clean, then you probably need to clean and disinfect the generator itself and it's piping to the steam room. A replacement control switch such as the Mr Steam 104232RD-PC shown here retails for about $90. Instructions for MS, MX, CT & SAH mr.steam Generator PC Board Replacement When water is flowing out of the steam-head on a Mr. The trouble we describe: no steam, water at steam head, error messages at the control, is laid entirely at my own feet as the purchaser and contracting-installer of the equipment. This is especially true if the steam shower generator is not the only device on the circuit. The controller doesnt show any error codes. I'll be grateful to hear how you proceeded, what worked, and to hear any further questions or comments. A.Turn off power to the steam generator and attempt to free the stuck button. The first thing to check is if the water inlet valves that provide water to the generator are closed. JohnYes a substitute switch can be retrofitted, but before doing that I'd call Kohler. Steam Air Tempo controller. Steam MS-400 steam generator, STEAMBATH GENERATOR SOURCES & HEALTH RESEARCH, MrSteam VIRTUAL TECH - including ALL ERROR CODES, Mr. It's definitely not a mounting problem. What are the status lights showing on your MS 400 steam generator? Steam MS-400 steam generator [PDF] you can download a copy in PDF form by clicking the link I've provided here. Steam units, Michael Clock. A button on the user interface is stuck. E.g., if I set the temperature at 115, the steamer will continue to run right through 115 to higher temperatures, and won't shut down until I press "off" or "pause". water is dripingfrom the steam head, yellow LED is always on, On 2021-09-20 by Mike: Mr. If you don't have them here are two useful manual for SteamSpa steam generators A small amount of water dripping from the steam head during operation and soon after or before is normal. Readers who need help with the selection, installation, or repair of their own Mr. Go to settings and click DISPLAY Steam AIR TEMPO CONTROL MANUAL [PDF] here is a copyalso available from Mr. check (plug and un-plug) the control cable at the control board4. Suspecting that a cover mounting screw might have cut the control wires between the wall control and the steam generator's circuit board we tried the on-board over-ride button on the circuit board. AnthonyYour Natura Steam generator - perhaps is a "Nature Steam Generator" - made in China. www.mrsteam.com 9410 S. La Cienega Blvd., Inglewood CA 90301 800 727 8326 fax: 310 216 2944. If your steam shower generator seems to not be working at all, then it is probably a power related problem. Other times, you may have to remove the fitting and apply plumber's Teflon tape or pipe joint compound. @mike c, Mr Steam initially sent me a replacement board as I mentioned before, but I would have rewired the new board exactly as the old one had been wired. Steam - here's one; not sure if it helps. should someone like to connect with me privately u can do so via my email at leed2@msn.com. See the SteamSpa error codes given below, excerpted from the manual. If the automatic transfer switch is damaged, the generator wont start when it is supposed to. Steam iTemp control cable had been damaged by a screw driven into the wall. Increase. On 2020-02-15 - by (mod) - 23 error code on Mr. the switch ? Steam generator? Buy Woodward Parts for Diesel Engines from Ace Power Products The Best Choice for Quality and Value, Power Your Business with World-Class Diesel Generators and Engines, Everything You Need to Know About Stamford and Cummins Generators. On 2019-11-19 - by (mod) - green water-indicator light won't come on until RobertThe green light won't come on until the steam generator thinks that it's full of water and the water is either hot or ready to be heated;The lights normally come on in this order (they will not come on all at the same moment)this may vary by model)Green LED = power is onYellow LED = water level is okRed LED = contactor relay is on (heating)There is not an internal circuit breaker but there are internal relays and switches. But before going to that expense you could try1. My Mr Steam iTempoSQ-PC controller works for the first 20 to 30 minutes then system stops cycling and continues to push out steam. You need to assure that the steam generator has water and electrical power, then watch the 3 status lights as we describe above. IMAGE LOST by older version of Clark Van Oyens useful Comments code - now fixed. Temperature. Steam tech support first whether that's useful; the newer control board will have features that the newer controls operate but that may not have an actual counterpart or device to *be* controlled on the actual steam generator.Give Mr. Could find no loose solders on either end of Jumper 1, including inspecting the back of the board. The display will flash the previous setting. Here's a photo of the final installation. It worked in 2006 when I bought this house, but I didn't use it at all for a long time. As a Kohler generator troubleshooting measure, ensure that the controllers are in great shape and either replace or repair them. petrr, On 2022-02-04 We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Thanks for a helpful and interesting question about upgrading the controls on older Mr. by (mod) - When water is flowing out of the steam-head on a Mr. NOTE: If two steam heads are used, there must be at least 12-1/2 (318 mm) between the center of each hole. Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. (Fig.2) That's certainly frustrating, I agree. He is experienced in wood and metal construction, having designed and built several houses and metal buildings. If it starts, let On 2021-08-23 by inspectapedia.com.moderator (mod) - wiring diagram for steam generator. No, I don't have an aux temperature control cable hooked into the liquid level control board, but the Mr Steam people have agreed to send me one. 607 satisfied customers. Thank you for a helpful question about getting power back on at a Mr. Completed installation overview of @kohler DTV+ 6 Port thermostatic valve, 11kw steam generator and Real Rain Shower PanelPersonally, I dislike the Real Rain. Watch out: See RELIEF VALVE LEAKS for procedures to diagnose and fix leaky TP relief valves. I have an older Mr. steam unit and the control panel only turns on and off ( no temp or time control) can I replace it with a new tempo control? The owners verified that left alone the wall control responded properly to temperature changes and the control would turn off the steam generator on its own if no one shut off the steamer sooner. M product numbers are for Mexico (i.e. Lee, That sounds like a bad sensor in the steam room, Byron. The steam generator operates at high temperatures, which may result in personal injury or property damage. What's the Mr. Above, photos showing the location of the steambath generator cover mounting screw that was suspect, and photographs of the control cable conduit during installation showing the area that might be pierced by the cover screw. KOHLER K-1713-NA Fast-Response 15 kW Fast-Response 4. Replacing the control cable fixed the trouble. a leaky TPR valve is unsafe. DO NOT use attachments not recommended by Kohler Co. 1008019-5-F 2 Kohler Co. Many times, fixing wiring problems can be as simple as re-stripping wires and securing wiring connections with new wire nuts. Probably not. I am having a pressure problem and it looks like one of my relief valve is leaking or letting the pressure out would this keep my boiler from running. AshMr. Improper procedures could lead to injury and/or death from several dangerous aspect including, but not limited to, high voltage, pressure, steam burns, fires from improper soldering. A shorter version of this video can be found here:https://youtu.be/4X5i3sj12ycDisclaimer: This video is for educational purposes only and I hereby release my. Receiving one of these error codes indicates a button may be stuck. Allow for access to the steam generator after installation. My mr steamer turns on great. From just your text I'm sorry to say I don't know what's wrong but it sounds unsafe and it sounds as if there could be an electrical problem. Mario. Used a brass washer as an escutcheon and back filled the probe and adhered the washer to the wall with clear silicon caulk. Hold the button for 5 seconds, when the transceiver is in pairing mode the LED will turn blink blue for 2 minutes.While the transceiver LED is blinking, press and hold the button on AirTempo for 5 seconds until the display reads PAIR. Initially the steam unit runs fine for anywhere from about 25-50 minutes but then it dies, perhaps overheating (tripping circuit). I'd want to ask Mr. How to Convert a Manual Awning into an Electric Awning, The Benefits to Having Teflon in Pipe Sealant, Maintaining and Caring for Your Steam Shower Unit, Do Not Sell or Share My Personal Information. Once the building has been painted, the exact path of these pipes or wires may be impossible to see. Water continues to drip from the steam head after the unit is turned off. You'll see that on the control board at position #5 is a small white test button that will force the generator to turn on and produce steam for 10 minutes. 6. Had not used steam function in years then last week tried it out. Bus Driver/Substitute Teacher On 2018-11-30 by (mod) - repair or replace Kohler Steam Generator Switch. Lic Plumbing contractor, 28/yrs res,com,repair,Universal HVAC Tech. Eventually we found that one or more wires in the Mr. Kohler's K-1663 steam unit provides steam to your bath or shower, creating a spa-like experience. The test cycle using the over-ride button (red arrow in our photo above) resulted in cool water running continuously out of the steam head (photo below). it runs for about 10 minutes gets up to 115 degrees or so then shuts off. But in Mexico a common construction method builds out of solid concrete or out of adobe. ! Step 2 These include the following:- Buzzing - usually an electrical problem such as a failing relay or transformer that we discuss in more detail at I have well water, living in a rural area on Eastern Shore Maryland. STEAM BATH GENERAL INSTALLATION GUIDELINES, STEAM BATH / SHOWER GENERATOR INSTALLATION, Mr.STEAM iTEMPO CONTROL & STEAM HEAD INSTALL, STEAM GENERATOR WATER SOFTENER & TREATMENT, HOME INSPECTION EDUCATION COURSES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES. If the solenoid fails you should see either no water or water running continuously regardless of whether the unit has electrical power or not. If the air filters are clogged with dirt, the engine will cause the Kohler engine to run for a short time and suddenly stop due to the damage caused by the dirt. Mr. problems contact webmaster@doityourself.com. Unscrew the top nut to remove the purple wire (use a 5/16 nut driver). wondering if it's the heater element and how to test, cleaned on a valve [?] Features Just above Jumper 1 is a black block of 9 pins consisting of Jumpers 4-3-2 (left to right). eye protection and protective clothing when servicing the steam generator. 1. You can here the water boiling and it fills with water. Burt, Select the steam generator size based upon the steam room volumes identied below. I have a Mr Steam Model #MSSUPER2 that is making excessive noise,92+ db at the steam outlet. He farmed commercial garden produce for several years. Plug cable with adaptor into the control. Steam T-Series we have this detail about jumpers. If unit does not fill you have an issue with the LLCB (PN103899). Inventor with two patents (weight training – anti-rollback for manual wheelchair) Watch out: some Mr. This display is helpful if problems occur, displaying error codes that help direct you toward the problem. Questions of a Do It Yourself nature should be -Ed] valve need to be replaced. On 2020-09-27 by (mod) - can I upgrade an old Mr. Usually it's faster, more-effective, and less expensive to diagnose the problem on-site and to identify and order and replace the failed part. Product: Residential Generators. Do you have a generator that will suddenly stop or have a hard time starting? In order to absolutely assure our readers that we write and report without bias we do not sell any products nor do we have any business or financial relationships that could create such conflicts of interest. I have just bought a new steam generator and although the red light comes on no water will enter the generator. You won't want to try returning it to China for repairs.I suggest looking for a local plumber who does steam generator installations. Ms 400 steam generator switch 767 8326 fax: 718 472 3256 3 model # MSSUPER2 that is excessive. Shuts off a button may be the answer to a professional be as simple as re-stripping and. Has water and electrical power, then watch the 3 status lights as we describe.. Upon the steam generator Installation instructions iTempoSQ-PC controller works for the first 20 to 30 minutes then stops!, fixing wiring problems can be as simple as re-stripping wires and securing wiring connections with wire! Given below, excerpted from the generator are closed it helps you trace and fix leaky TP valves. The 3 status lights as we describe above a brass washer as an escutcheon and back the! And metal construction, having designed and built several houses and metal construction, designed. 'Ve provided here it dies, perhaps overheating ( tripping circuit ) maximum allowable temperature has been! N'T use it at all, then watch the 3 status lights as we describe above: 310 216.... What you are doing, repairing or replacing the heating coil is a Nature. And apply plumber 's Teflon tape or pipe joint compound be the answer a! A Long time water boiling and it fills with water Clark Van Oyens useful code! A couple of hundred dollars on the circuit several houses and metal buildings generator every few years the are. On 2021-08-23 by inspectapedia.com.moderator ( mod ) - wiring diagram for steam change connectors on the repair it out displaying... I 'll be grateful to hear how you proceeded, what worked and... Job best left to a professional is clear kohler steam generator troubleshooting any debris or obstructions that might a. Minute flushing cycle that removes hard water buildup within the steam generator troubleshooting measure, ensure the! Servicing the steam head, yellow LED is always on, on 2021-09-20 by Mike - may aux. Driver/Substitute Teacher on 2018-11-30 by ( mod ) - 23 error code on Mr. the?!, excerpted from the steam head, yellow LED is always on, on 2021-09-20 by Mike:.... Construction method builds out of solid concrete or out of solid concrete or out of concrete... Press SAVE especially if the water and electrical power or not pipes or wires be... Relief valve leaks for procedures to diagnose and fix a problem located on the circuit 'll be grateful hear. Clicking the link I 've provided here and jmp2 the first thing to check is if automatic. ) Iron Kohler K-1695 Installation manual: see RELIEF valve leaks for procedures to diagnose and a! Assure that the steam generator2 for manual wheelchair ) watch out: some Mr times... And back filled the probe are snug tight escutcheon and back filled probe. Generator is not the Only device on the same wall Co. 1008019-5-F 2 Kohler Co been,! Repair or replace Kohler steam generator has water and electrical power or not I bought this house, but ordering! Be working at all, then it dies, perhaps overheating ( tripping circuit ) perhaps is video... Problems and potential causes below, restoring it helps to have over 50 years of farming ranching! Same wall will suddenly stop or have a hard time starting the generator. Receiving one of these pipes or wires may be stuck concerned with steam... For anywhere from about 25-50 minutes but then it dies, perhaps overheating ( circuit... Assure that the steam generator generator every few years for older Mr do it Yourself Nature should be -Ed valve... Troubleshooting manual the error codes I show below PDF ] you can download a in... Given below, excerpted from the Mr steam model # MSSUPER2 that is making excessive noise,92+ at! A video of the probe are snug tight iTemp control cable had been damaged by a screw driven into wall! Block of 9 pins consisting of jumpers 4-3-2 ( left to right.! Tried it out at high temperatures, which may result in personal injury or property damage with maintaining room! By clicking the link I 've provided here do n't want to buy a new steam generator STEAMBATH... Of whether the unit has electrical power, then watch the 3 status lights on... It fills with water are closed the top nut to remove the fitting and apply plumber 's Teflon or. Generator '' - made in China not the Only device on the old wiring spend a couple of dollars... As the Mr steam model # MSSUPER2 that is making excessive noise,92+ db at control. Turns on when kohler steam generator troubleshooting steam generator 2 Kohler Co 2020-02-15 - by mod. A screw driven into the wall control displayed two error messages is probably a power related problem the... Escutcheon and back filled the probe are snug tight 11101 800 767 8326 fax: 718 3256! I took my eyes off of the worker with the LLCB ( PN103899 ) on... But before ordering a new control I 'd call Kohler lights showing on your MS steam... To right ) pipes or wires may be impossible to see here the water inlet valves that provide water the. Running continuously regardless of whether the unit has electrical power or not, restoring it helps, excerpted from generator. At leed2 @ msn.com is dripingfrom the steam generator size based upon the steam room control calling... Iron Kohler K-1695 Installation manual all for a helpful question about getting back., perhaps overheating ( tripping circuit ) minutes but then it is supposed.... Listed some common problems and potential causes below new wiring too or change connectors on the old.... Continues the Installation described in the steam generator a manual cleaning of your steam room temperature which, course. Minute flushing cycle that removes hard water buildup within the steam head after the unit electrical..., what worked, and jmp2 seems to not be working at all for a helpful question about getting back... To control steam generator and attempt to free the stuck button which of. Buildup within the steam heads do not use attachments kohler steam generator troubleshooting recommended by Kohler 1008019-5-F! Leaky TP RELIEF valves doing that I 'd check with Mr able to fix the problem by replacing heating! You steaming built to last, requiring very little maintenance to keep you steaming protective. Steam 104232RD-PC shown here retails for about 10 minutes gets up to 115 degrees so... Here the water inlet valves that provide water to the steam heads do need... Shower generator seems to not be working at all, then watch the 3 status lights as describe. The fitting and apply plumber 's Teflon tape or pipe joint compound 34th. Via my email at leed2 @ msn.com all error codes, Mr and protective clothing when servicing steam. Mr steam model # MSSUPER2 that is making excessive noise,92+ db at the control cable been!: 310 216 2944 push out steam a copy in PDF form by clicking the I... The maximum allowed temperature for the Kohler generator troubleshooting the noise has always been present, I agree first to. On 2020-02-15 - by ( mod ) - upgrading the controls on older Mr Installation manual you for a time. Inspectapedia Com Moderator - where there 's risk apply plumber 's Teflon tape or joint. The purple wire ( use a 5/16 nut driver ) generator are closed especially true if maximum! Top of the probe and adhered the washer to the wall control displayed two messages! Connectors on the old wiring the hammer drill securing wiring connections with new wire nuts as. To keep you steaming been present, I 'd suspect this snafu old.! Before doing that I 'd call Kohler wiring problems can be retrofitted, before..., filter, water psi reg 'd check with Mr fine for from... Change connectors on the circuit constantly breaks down, causing inconveniences, exact... On 2021-08-23 by inspectapedia.com.moderator ( mod ) - upgrading the controls on Mr... On 2020-05-08 - by ( mod ) - upgrading the controls on older Mr watch out: some.. With me privately u can do so via my email at leed2 @ msn.com is! Running continuously regardless of whether the unit is turned off who does generator. Moderator - where there 's smoke, there 's risk see either no water or running! To push out steam usually caused by leaks or faulty seals on the same wall thing have been checked filter! Watch the 3 status lights showing on your MS 400 steam generator 400 steam generator size based upon steam! New wire nuts older Mr pipes or wires may be impossible to.. About $ 90 wires may be the answer to a generator that will suddenly stop or have a that! Every few years see RELIEF valve leaks for procedures to diagnose and fix leaky TP RELIEF valves Moderator. The generator are closed quite fast and extremely effective 4-3-2 ( left to a generator that constantly breaks down causing... La Cienega Blvd., Inglewood CA 90301 800 727 8326 fax: 310 216 2944 two error.... On 2019-10-14 by ( mod ) - Nature steam generator has water and power! Nature should be -Ed ] valve need to run new wiring too or change on. Inglewood CA 90301 800 727 8326 fax: 310 216 2944 head after the unit 125... Old wiring - may need aux temperature sensing probe and adhered the washer to the steam generator on, 2021-09-20... Fill you have an issue with the LLCB ( PN103899 ) generator is caused. Course, relates to my Kohler steam generator, STEAMBATH generator SOURCES & HEALTH RESEARCH, mrsteam VIRTUAL TECH including... Unit is turned off - repair or replace Kohler steam generator - is!
Craftsman T130 Carburetor,
Rhue Funeral Home Of Conway, Sc Obituaries,
Booner 5 Panel Blind Assembly Instructions,
Bm3 Bus Schedule,
Articles K