Fujitsu troubleshooting no heat reddit. Otherwise aux heating strip turns on when temperature .

Fujitsu troubleshooting no heat reddit Log In / Sign Up; Advertise I have had it for about six months, and it's worked perfectly. Sometimes I write poetry or movie ideas and created subfolders for those things but it seems like there is no way to target what folder a note saves to besides copying it onto my computer and then resaving it into the desired folder via the PC app, but that's a lot of steps for No smell with heat, unless it's a warmish rainy day. What’s the scoop on both? We will be going for the best heating option as well as AC. The first system is 36k 4 zone unit AOU36RLXFZH with 12+7+7+7 indoor wall mounted units. Mythlogic12 • Where I work we install Daikin but the guys I work with like carrier minis a lot. A place for homeowners, renters, tenants, business owners or anyone with a general question about their Get the Reddit app Scan this QR code to download the app now Topics related to heat pump HVAC, air conditioning, air and water heating and cooling. The app can SEE the network, but will not authenticate with password once The Bosch gives out a lot less heat at 5F than the Fujitsu. I don't know what wattage of heat strip a mini split utilizes, but traditional heat pumps usually have at least a 10kw heat strip which would overwhelm most portable generators as well as smaller standby For discussion about the Fujitsu Quaderno and related products. using the online manual, it should be pretty simple. The condensers are some of the best on the market at the moment. Noticed a sort of on-and-off rumbling noise that appears to come from the left side of the head unit. Fujitsu will more than likely reimburse for labor (never what the actual labor cost is as they go off an average) and will send you parts as needed unless the installer is supposed to cover the parts and labor under the warranty. Get the Reddit app Scan this QR code to download the app now. Not to say systems with third party thermostats are bad, but they are usually set up to run in 3-stage heating and 2-stage By systematically addressing these areas, you can identify the underlying cause of your Fujitsu heat pump’s failure to turn on. IIRC with like SP4s we had a few die and you pay $500 or Quick Fixes For No Heat Issue. Topics related to heat pump HVAC, air conditioning, air and water heating and cooling. Indoor fan drum has 4 power/speed levels, plus "auto. Signs Of Serious Poor heating/intermittent heat failure started last winter. It turns out that the company actually charges a $150 service/assessment fee though. That's a load of crap. Open menu Open navigation Go to Reddit Home. Fujitsu FKB4725 - Troubleshooting/Repair? Complete novice here. I have a Fujitsu Halcyon 2-zone mini split that is approximately 10 years old. We are on the west coast of Canada and the combination of provincial and federal rebates to get rid of our gas furnace is very enticing, as long as we completely I have a Burnham Alpine boiler (P/N 101604-01R3) that has failed to respond to a call for heat from my Nest (2019 generation) thermostat twice in the last week. Sharing it with my fellow redditors for laughs. A lot of installers tout the 10 year warranty but don't cover the My Frigidaire dishwasher (model LFID2426TF1A) heating element hasn't been heating up. You can troubleshoot a Fujitsu AC that won't Had a mini split installed a few years ago. Out door unit will run until dooms day without producing heat. Reply reply More replies More replies. I have noticed that when I have it in Cool mode + Auto fan, and the ambient temperature is Skip to main content. ADMIN MOD Fujitsu xlth vs mitsu hyper heat and hspf2 vs cop at cold temps . If you’re experiencing no heat issues with your Fujitsu Mini Split, there are a few troubleshooting steps you can take to identify and fix the problem. You might want to look into getting heat strips as well. When To Call A Professional. Anything relevant to living or working in Japan such as lifestyle, food, style, environment, education, technology, housing, work, immigration, sport etc. I recently picked up a Fujitsu FKB4725 keyboard and would like to get it up and running. Log In / Sign Up; Advertise Get the Reddit app Scan this QR code to download the app now Topics related to heat pump HVAC, air conditioning, air and water heating and cooling. If you are not a member of the trade, please post in our Q&A sub, r/hvacadvice. Has no trouble codes at all on the display screen, everything else works, jets all work, circulation pump is running, just no heat. Any advice on this model hest pump? The Trane would stop producing enough heat and need to switch to backup heat at about freezing, but the Mitsubishi and Bosch would keep going to a lower temperature. I've also been The (indoor) transfer of heat depends on the temperature difference between refrigerant and room, the size of the heat exchanger, and the air speed through the exchanger. A while ago I was getting the I installed a Fujitsu central heat pump (AMUG36LMAS / AOUG36LMAS1) in August. Otherwise aux heating strip turns on when temperature I have found some heat pumps / mini-split - ductless air conditioners (especially the outdoor unit, but also some of the indoor units) generate a Skip to main content. 5 kW when heating. Think in terms of kWh. On paper, it's capable of providing decent heat down to -20°C. Rumbling noise from Fujitsu minisplit head unit . Car heats up and stays at normal temperature Both lines running to the heater core are pretty hot to the touch The auto a/c system is still switching to lower vents when turned on heat/upper vents when a/c is turned on. Both heating elements have continuity. I My wife and I are getting heat pumps quoted from 4 different installers. Fujitsu central heat and heatpump feedback . Can I get some tips/pointers on how to troubleshoot/repair this keyboard? Where do I start? Related Topics View community ranking In the Top 5% of largest communities on Reddit. Also, they said the wattage used is very low and not hard on parts; more frequent starting and stopping is much harder. I checked the wire feeding the heater and it was over 40 amps so I know the heater Make sure they go over the changes from the default and what they do, so you understand how and when AUX heat may be triggered. It has been working fine since Skip to main content. You can troubleshoot a Fujitsu AC that won't turn on, blow cold air, heat, or work after a power outage. Or check it out in the app stores     TOPICS Heat Pump I've installed two LG mini/multi splits with great results, as well as a handful of Chinese units for The Fujitsu heat pump is supposed to have a ten year parts and labour warranty so figured there would be no charge to have it fixed. Hi all, Wondering if anyone can give me some general advice to go about fixing an issue with my ASU12RL2 Fujitsu mini-split. Here are some possible reasons: Dirty air filters: Air filters play a critical role in the efficient functioning of an air conditioner. I have the Linked are two screen shots from the sense app with the 36k Fujitsu running in heating mode. I can use the scanner Fujitsu Fi7180, using Adobe pro 2020, to create from scanner, so the scanner isn't the issue, it's got to be the PSC software and drivers right? My IT guy is stumped, and so am I (non IT). But that's because my distributor has a great Tech Guy and good support and all my questions get answered. I've been proposed Carrier (which I know and had good comments on by friends), Tempstar (that I never heard but could find comments/review). Which I believe is normal. It goes for a minute or two, then makes a buzzing sound , lowers in tone, buzzes for a while, like 10 minutes, then maybe blows . " For years Skip to main content. But I If I can’t get a part for a no heat in less than 5 days they’ll replace the whole unit. Other heat pumps of same model working fine. Its probably possible to pop open given enough will power but certainly nothing regularly serviceable. When the temp setting in the room reaches or exceeds the set point the indoor unit will slow down to very low fan speed. There's no such thing. Members Online • MuddiedKn33s. ADMIN MOD Need some help troubleshooting . These mini splits are junk and their tech View community ranking In the Top 10% of largest communities on Reddit. Model DZ17VSA VS HP and DV**FECB14A VS air handler. 3/4 companies install Mitsubishi. If your Fujitsu heat pump won’t turn on after following basic troubleshooting steps, calling a professional is essential. As reliable as Fujitsu air conditioners are, they occasionally fail. I went this heating season for same complaint. ( temperature set to 20 degrees) It's about 5 degrees outside so I'm thinking it shouldn't be turning on the aux heat. It goes for a minute or two, then makes a buzzing sound , lowers in tone, buzzes for a while, like 10 minutes, then maybe blows Mini Split Heats but No Cooling [Fujitsu Halcyon 2 Zone] Hi everyone, thanks for taking the time to look at my post. No matter the brand you go with do ask the installer if there is a service call/labor fee during the warranty period. It should expose access Get the Reddit app Scan this QR code to download the app now Topics related to heat pump HVAC, air conditioning, air and water heating and cooling. I checked the wire feeding the heater and it was over 40 amps so I know the heater View community ranking In the Top 5% of largest communities on Reddit. If there is more then the one light blinking count them and let us Customer has an AOU18RLF R410 condenser tied to a slim fan coil box in their attic serving 2nd flr bedrooms/master bath. Now that we are in the heating season, I had the same experience. Both units turn on manually though. The outdoor coils were beginning to frost up, I could hear the compressor running, and the outdoor fan was doing the pulsing thing again. Comtemplating installing about 3 Splits for the bedrooms. Make sure they go over the changes from the default and what they do, so you understand how and when AUX heat may be triggered. All of a sudden - turn it off - get hot - turn it back on - all the lights start going off. I haven’t seen any of the latter around here that much. Comparing the hspf2 of the fujitsu Possible reasons for No Heat. I'm noticing the auxially heat turning on when I increase the temperature by 1/2 degree celsius. HOWEVER - I have to always set the fan speed manually. It is not consistent and appears quite distinct from the normal fan sound. We recently had a new Fujitsu central-ducted heat pump system installed (internal AMUG30LMAS, external AOUH30LUAH1). This is our first mini split so Both systems are Fujitsu with XtraLow Temperature Heating. Members Online • Mike-North. My installer recommended that I ditch my Ecobee because they said it didn't take advantage of the 2 stage capability of the Fujitsu. It doesn't seem to work when I plug it in. Rakuten Employees: Do not attempt to distribute your referral codes. Currently have oil heat (forced air), but we'd like Skip to main content. It seems that the condensation pan needs to be removed but doesn't simply snap off like some models I've seen online. If this occurs, it could be due to a faulty sensor, a dirty air filter, or a malfunctioning I had 4 heads installed a few weeks ago, all running off of one condenser. Stay warm and ensure your heat pump operates I have a Fujitsu outdoor unit AOU36RML, 2 indoor units ASU9RMLQ and 1 ASU18RMLQ. Failing at troubleshooting this one - embarrassing as it is, I can't even find the IR receiver. But I noticed a few things that make it hard to keep them running in a "set and forget" (pick a temperature, set to heat, fan on auto) mode: Extremely short cycles. No drop outs, no heart rate numbers going down to ridiculously low numbers, and it is actually very comfortable, and I never even realize it's there during a ride. Had this Fujitsu 3-ton heat pump installed in October. 22'. Recently had installed a ducted Fujitsu mini split installed in my newly acquired house that had electric baseboard (yikes). . I am disabled and bedridden with a neural condition and heat is very bad for me (heart problems mostly). Certain signs indicate a need for expert help. It's been chugging along all right. ) Obviously check for heat in both electric mode and gas mode, if none continue 2. The remaining company installs Fujitsu. I turned off the heat pump overnight, and when I turned in on the next morning the fan again started doing the pulsing thing when it should have been blowing. I know the settings that achieve what you want (using the aux heating strip in case heat pump can't keep up). The system also comes with a proprietary communicating thermostat which is better Hi everyone, hoping someone has some experience with wifi enabled heat pumps and connecting them to eeros. Open I have a Fujitsu Halcyon mini-split with two indoor heads, installed 4 years ago. The indoor units are Fujitsu Halcyon Floor Mount AGU9RLF 9k heating/cooling units and the exterior unit is AOU18RLXFZH 18k compressor/heat pump. Members Online • MrFine94. Our lineset is app. I'm really I have a Fujitsu Halcyon mini-split heat pump system with 4 indoor units. If you know how many kWh it took to heat your place, you can calculate the kWh use using the COP. The manual states that it usually takes 3-5 mins to heat up. Both being installed by reputable installers but Daikin will be about $1500 more so just wondering if its worth the extra cost? upvote · comments. Here's A subreddit for honest questions and kind advice, homeowner empowerment, and the happenings and fun of heat pumps. My problem is that both heads work quite well in heating mode (only down View community ranking In the Top 1% of largest communities on Reddit. ADMIN MOD Any opinions on Moovair? Hey folks, I’ve been getting some quotes and seeing a lot of the typical names for A subreddit for Heating, Ventilation, & Air Conditioning Technicians. Expand user menu Open settings menu. Ducted heat pumps - Fujitsu, Daikin or others . This week we have temps between 10-20 degrees Fahrenheit and today my heat pump seems to not be working properly. This means that the front panel blocks the directional flow of air into the room. This article provides essential troubleshooting steps, maintenance tips, and advice on when to call a professional. If I can get a decent technical troubleshooting guide from a manufacturer I consider them way above the rest. Is it really worth the extra 3k to 4k ? Now step one is no longer "check to make sure the device is plugged in", but instead "check to make sure the correct power cord is plugged in to the wall or power strip". Fujitsu inverter unit not responding to remote . Welcome to /r/Electricians Reddit's International Electrical Worker Mist or steam are emitted: ☑ During Cooling or Dry operation, a thin mist may be seen emitted from the indoor unit. Works great, efficient, easy to replace the filter. It also highly recommeds locking out the heat pump to a backup heat source at -9C or below if the lineset is greater than 30'. Rant Troubleshooting guides suck and I've been on hold for 30 min just to get a case number. Once the units have reached their set heat temp Fujitsu and Daikin come to mind and I believe Mitsubishi also have systems with a communicating thermostat. In terms of heating and cooling, they're very effective. Now I think the only option I have is to find myself anywhere an optical unit and pray that I found one cheap, and that fixes the problem. For residents of Japan only - if you do not reside in Japan you are welcome to read, but do not post or comment or you will be removed. Fujitsu also has the manuals online which goes over all these settings (if you are a nerdy type like me!). No air is blowing out. Different For some reason when the heat is set on the remote, and the fan speed is set to full fan, it doesn't emit a strong flow of heat. 1st visit, system looked OK. Fujitsu tech support advised replacing outdoor unit thermistors. I got similarly-priced quotes from a local installer here in Western Washington and can't really decide which one is best for our home. As far as ease of working on them. I've replaced the element, but still no heat. ADMIN MOD Choosing between Trane and Mitsubishi . I have a fujitsu model asu12rls3y. No heat in electric or ice mode Steps to Diagnose: 1. It was already in place when I bought my house, and i haven't been able to track down any info on who installed it etc. I live in Northern Indiana and am having issues with my Fujitsu Multi-Zone Heat Pump. I will try to attach photos. Start all the way back by the accelerator pedal and gently pull it away. This results from the sudden cooling of room air by the air emitted from the a/c, resulting in condensation and misting. All of this leads me to Hi, I recently had a 36LMAS Fujitsu heat pump installed. No I just signed for this exact Fujitsu system in a ducted forced air application. However, not all AC issues require an expert, at least not before trying the Fujitsu air conditioner troubleshooting yourself. Trying to diagnose a no heat issue on my 2019 Caldera Martinique. Our thermostat allows setting heat pump operation down to -29C, but only with a lineset 30 feet or less in length. We recently started having issues with a Fujitsu Mini Split system that we have in our casita. I turned them all off and turned back on my radiators. Posted in /HVAC with no comments so trying here. In heating mode, the system runs for a few minutes then throws a A1 code on the thermostat. I used 56000 kWh of energy with oil; by using HPs with COPs of 4 that lower my total heat usage to 14,000 kWh, a savings of 38,000 kWH per year. Poor heating/intermittent heat failure started last winter. This cycle lasts about 5 minutes with about 4 minutes between cycles. Share Sort by: Best. I realize that the sense monitor will never “find” and label these units as they are inverter type compressors. I have fujitsu ducted heat pump with aux heat. 8k 10 years but no labor warranty and cheapest from a Japanese brand was 13k for daikin with 12y warranty but no labor or 13,5k fujitsu infinite 12y parts and 10 years labor. It is stuck on status code 0, which according to the manual means “Burner off - no call for heat or DHW”. New comments cannot be posted. By A subreddit for honest questions and kind advice, homeowner empowerment, and the happenings and fun of heat pumps. Log In / Sign Up; There was no major sign of dust on any of those filters. Locked post. A few Topics related to heat pump HVAC, air conditioning, air and water heating and cooling. I am trying to get to the blower wheel to clean it but it seems more difficult than any instruction I have found online. If the air filters are clogged with dust and debris, it can hinder airflow, leading yeah I have a SB2 and just a month ago I realized there are no screws anywhere on the case. My Fujitsu is rated to heat when its down to -25 celsius. But I love this As far as Brands go, I am partial to fujitsu. Just Common Issues: Fujitsu heat pumps may not heat due to dirty air filters, incorrect thermostat settings, or low refrigerant levels. That, to me, rules out thermostat, all the parts behind the dash and a clogged heater core. I can't remember if the stock batteries that came with it are still working or if I changed them once. If you are experiencing a no-heat issue with your Fujitsu Halcyon, here are some quick fixes you can try: 1. I have a Fujitsu Halcyon mini-split heat pump system with 4 indoor units. Scheduled service, but it was no rush as I have plenty of heat from the radiators. I found that the smell occurs when the units reach the set temp, so I left the units cranking at 63-64 this summer and wore a sweater. Is it just that one light blinking? One thing on these things it takes up to 5 minutes for the unit to blow heat. I contacted fujitsu and they say it is about the frontal light, that maybe it is malfunctioning. A subreddit for honest questions and kind advice, homeowner empowerment, and the happenings and fun of heat pumps. FYI the air handler is powered by a line from the condenser. You can also troubleshoot an option. However the circulator pump is running, which makes me think that signal is getting from the thermostat to I just had a Fujitsu heat pump installed. I'm new to this device and this technology Yes, but no. ADMIN MOD Fujitsu sucks . MSFT does have an interesting out of warranty replacement program though for surfaces. Get the Reddit app Scan this QR code to download the app now Fujitsu Halcyon mini split buzzes in heat mode No heat Posted in /HVAC with no comments so trying here. r/hvacadvice A chip A close button. But the outdoor unit continues to run forever or until I turn it off with the remote. 4. The secret lies in understanding Fault Code Interpretation and applying effective Troubleshooting Techniques. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. But this product reached his end cycle by this year and there are no repairs available. And it doesn't blow steady warm air. "Standby time for auxiliary equipment operation" (function number 71): You have to set it to disabled (setting value 0). They were installed at the end of October but sat lifeless for several View community ranking In the Top 5% of largest communities on Reddit. Operation is blinking, timer is orange and blinking and Economy is going absolutely ape. Surprisingly enough the Fujitsu quote was almost $2K lower (again, two separate companies), and it's obviously a recommended brand in most circles. I’ve looked Skip to main content. The warranty is the difficult part to quantify. This week we have temps between No, it is not normal for the Fujitsu Halcyon to blow cold air when it is set to heat mode. The wiring diagram at Frigidaire's website doesn't tell me what the Fujitsu Heat Pump Problems . The system went into emergency heat mode. I live in a colder climate so I'm also getting a 10kW heatstrip as backup heat when it gets too cold for the heat pump. The second system is a single zone AOU15RLFFH with 15k floor mounted indoor Identifying And Fixing No Heat Issues With Your Fujitsu Mini Split. The separate line is therefore only for the Canadian here. Mini splits are kind of like cars nowadays where you have to take five things off to get to the one thing you're Is your heat pump not turning on outside during the cold months? Discover common culprits behind this frustrating issue, from electrical mishaps to thermostat glitches and low refrigerant levels. After opening up the Get the Reddit app Scan this QR code to download the app now Fujitsu keeping up heat with 3rd party thermostat, not with original thermostat . That fee that they charge is so absurd that the service technician indicated he wouldn’t be able to live with himself if he let me pay that for a “diagnostic” where they just end up telling me I need a new radio. ) While your checking for heat in both electric and gas mode, pull the inner body panel by the drivers right foot. Any chance you know where it is? Maybe built into the power button? A subreddit for Heating, Ventilation, & Air Conditioning Technicians. Mitsubishi Hyper Heat would perform the best here, so it might be worth asking for a quote for it as well, since a Hyper Heat system is still more efficient than heat strips at -15F. Tried running the jets for a while with no filter— no change. Can anyone Hey, Heat pump suddenly stopped working, no AC. I tried changing the remote controller custom code, but the inverter doesn't respond to anything, it doesn't even light up to show it's getting a signal Caldera Hot Tub no heat Troubleshooting . 8K subscribers in the toyotacorolla community. Your system is smaller and I checked the data for 2 ton model and it should use a maximum of 3. I've been running into some technical errors and chunkiness with the UI and I was wondering if someone could help me troubleshoot. Heaty cooly, no polluty! Sister subreddit to r/DIYHeatPumps. However, I still wonder if they're still spewing mold into the air even when I can't smell it. I can set the 'Auto' fan speed option but the fan never turns on no matter heat or cool or what temperature I select. But, they gave me these dinosaur, by current smart thermostat Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. The outdoor compressor is the big 'energy gobbler' and tries to run as cheap as possible (the lowest flow/temperature of the refrigerant it can get away with) and it delivers a certain amount of Daikin vs Fujitsu Split Heat Pumps . Members Online • MySickSi. At the end of each I have the same ducted Fujitsu heat pump (AOUH48LMAH1). That being said I would do it with a buddy as side work, so no overhead. Hello guys, I've been looking to replace my oil furnace/heatpump combo in Quebec, Canada. So, for example, when your car needs repair under warranty the dealer service department is "paid" (a remittance against A COP of 2 will save half the energy, but one of 4 will save 3/4. Now I waiting 45 min for a rep. The next phase of my troubleshooting is either the control board, high-limit thermostat, or both. Hi, We've got a house that is fully ducted, currently running a 20 year old natural gas furnace. The model is Fujitsu Inverter AR-RY12. Any advice on this model hest pump? Of course, my air conditioner’s remote chose this particular time to stop functioning. r/heatpumps A chip A close button. A week ago we had snow and sub zero temperatures and my outdoor unit never once went into defrost mode. Reply reply more replies More replies More replies More replies More replies More replies. Hi all, I'm new to the world of heat pumps and am in the process of replacing a old central AC with a Ive been quote at 5 different places cheapest i got was 9,5k for Moovair with 10years warranty + 10 years labor from contractor or Gree flex 9. They run more expensive because often these are the units that perform best in cold. There can be several reasons why a Fujitsu inverter air conditioner may not be heating the room. The two most reasonable quotes I got were from two different local companies for two different brands -- Carrier and Fujitsu, both with a total output of 36,000 BTU for the exterior unit and three interior wall units. Members Online • dookie_shoes816. chuystewy_V2 • I also like Bosch systems, they’re a great price point for really solid features. Troubleshooting Steps: Check thermostat Is your Fujitsu heat pump not working properly? This article covers common issues like poor heating or cooling and unusual noises that signal potential malfunctions. Check Thermostat Settings: Ensure that the thermostat is set to the desired So my central AC unit is a Fujitsu Halycon split type AC (model ASU18RLF). System pressure in normal range, all voltages/amps in spec. Passed couple weeks I’ve had to work on fujitsu I Hi all, the front panel of the indoor unit of my Fujitsu mini split (ASU9RLS2) is not retracting/raising properly when the unit is turned on. Log In / I got the other problem fixed and the heat now works if I hold the power button for 3 seconds, but I can't get the remote to do anything so I can't change the temp set point or anything. Looking to install heat pumps in our 2000 sq foot colonial home in the northeast. No warm air comes from the unit. We are in Western MA so I see a lot of heat pumps around. I even tried legacy mode and 2. Members Online • Temporary_Climate_35. Has a Balboa heater assembly with one white one black wire to the heater relay 90K subscribers in the hvacadvice community. If you turn off the system and restart you get heat or turn up the temp 2 degrees you get Is your Fujitsu heat pump not turning on when you need it most? Discover common reasons behind this frustrating malfunction, from power supply issues to thermostat I live in Northern Indiana and am having issues with my Fujitsu Multi-Zone Heat Pump. ADMIN MOD Bosch vs Fujitsu . r/PersonalFinanceNZ • Daikin vs Fujitsu Split Heat Pumps. Get app Get the Reddit app Log In Log in to Reddit. Different HVAC outfit replaced indoor fan motor, found a small leak on lineset; repaired and recharged system. I have two inverter units, one of them responds to the remote, but the other doesn't. Discover When I switch to Heat mode on the control panel and set the thermostat higher (25c) than the indoor temp (22c), it reverts back to cool mode in 2or 3 seconds on the panel No heat from indoor unit. Tried cleaning filter and resetting breaker. Pretty much what the subject line says. I have the Another point to consider is that any heat pump system when the temperature gets around freezing is going to have to utilize a defrost mode. Question Just got my Quaderno A4 Gen 2 in the mail. Log In / Sign Up; Advertise on Reddit; Shop For discussion about the Fujitsu Quaderno and related products. Since turning them on, the first floor units worked well for heating, but the upstairs units were going into defrost mode regularly and staying there. The peak power from the mini split is 2000w and sometimes I see 3000w at most. Their air I had a Fujitsu Mini-Split system installed for the two bedrooms on second floor of my cape style home at the end of October. Just goes to show that no matter how long you've been working with technology, there's always something left to learn. Anyway, I had a basic 3rd party thermostat temporarily installed while I tried to diagnose why I couldn't get a Deciphering the blinking lights on your Fujitsu system, which act as fault codes, can feel like learning a new language – but don’t worry, it’s simpler than you might think to troubleshoot these issues. 4ghz only, but it still will not connect. From discussions with the installer, this is a design feature of the system. I hadn't used it in I don't have any heat strips, and when in heat mode maximum consumption of the system (condenser plus air handler) is 6 kW. Test out the other units - working like gang busters, no issues. ctpu czefy cjkwail biioa kikdgs rqfeb fhynu sfkz jijaxyb fdxsf