Trying to reuse an old line set that is not correct for your system will result in failure. My ductless mini split outside unit condenser coil started leaking refrigerant. Unit working in some modes, but not others, Outdoor unit powers up but indoor unit does not, Indoor unit has power, but will not operate. It outputs around 15 degrees cooler than ambient (about 55 at the coolest) when on “turbo” mode. We started saving money right away. There is no leak or anything. Even if the system is correctly wired to the proper voltage, issues can still occur depending on your electric service. whole post on cleaning that you can read here. Let our experts help you choose the best new mini split for your application. The below are some of the more common Fujitsu fault codes that you may discover on your air conditioning system. Cause: A PFC (power factor correction) module is used to send electrical pulses to the compressor for operation. If you have a condensate pump and are experiencing leaking, check to make sure the condensate pump is properly wired and functioning. Is it ever a good idea to install the outdoor unit in a garage in Florida ? Had a tech tell me I have a refrigerant leak based on the temp of the copper pipe? How to reset your heat pump. We service Lincoln, Penobscot, Piscatiquis, and Hancock Counties. They pressurized the system but could not find a leak. Also main unit is making all kinds of noises . Samsung Split System Air Conditioning Troubleshooting . Thanks Deb. are the leaders when it comes to reliable, long lasting. Replaced refrigerant and asked that we leave system on overnight in hopes it would throw a code, Today HVAC installer back. Indoor evap seems OK. I was thinking of getting 14 gauge stranded wire and running between terminal blocks after disconnecting the original wires to see if this helps. Posted on January 2, 2018 . These pages cover the current Inverter product range. I just had a new bryant mini split installed, I have the temp set at 72 but when i wake up in the morning it will be 65~ in the room. I have a ch 45 error on a lg mini split. If you discover water leaking from the evaporator of your mini split there are several areas to check to determine the cause of the problem. I reset them and still no power even to the thermostat. Not even 1 year old. The timer light is flashing orange twice. It has flashing lights on the unit. as repair techs cannot figure it out . Solid core wire has been known to cause more issues. If you have a. and are experiencing leaking, check to make sure the condensate pump is properly wired and functioning. It is set for heat. . I would recommend getting a second opinion from another professional. If the unit is not defrosting, ice can build up in a hurry. Could you please help me fix it. The control boards used in a modern mini split system are very much a miniature computer. Is my problem with the thermostat or the unit itself . As with anything, check your local electrical codes and consult an electrician to ensure proper installation. HIGH-SEER R410A MINI-SPLITS TROUBLESHOOTING GUIDE 2010 - 2011 FUJITSU GENERAL AMERICA, INC. 353 Route 46 West Fairfield, NJ 07004 (866) 952-8324 (973) 575-0381 Service Center Phone (973) 836-0449 Service Center Fax Email: ServiceHVAC@fujitsugeneral.com I have a Daikin Mini Split and generally it works fantastic. Using the proper mini split communication wire is critical to a properly functioning unit. Anyone have any idea? If you are unsure about grounding, consult with an electrician. Thermostat is set at 62 but the unit will heat up to 74 room temp. The unit is less than a year old but Canadians weather means we need heat. I have a 5 year old Klimaire mini spit that runs on 12k btu. During the heating mode, Is it normal for the condenser on the unit to have accumulated frost all around the exposed condenser? My Willis air temp shows an H5 error. masuzi June 27, 2018. The most common fix Ductless Heat Pump Troubleshooting! To no avail, the problem still exists. My Daikin mini split will not heat. We have a few month old 9000 BTU Comfort Aire unit installed in our bedroom. Make sure the wire you select is rated for indoor and outdoor use. This error seems to be a condenser pipe sensor error. The blinking cycle will repeat itself. 7 ECONOMY indicator (green) Lights in ECONOMY operation. When in cooling one head works fine, one head doesn’t cool well. If your Fujitsu aircon unit’s light is blinking continuously, it is a sign of something wrong with your air-conditioner. I have a Fujitsu Halcyon Mini Split heat pump unit. I changed the disconnect box and there is still no power to the unit. Another sign is that the fins will be all the way up and it will be gently blowing cold air. Each mini split system will specify the proper size line set it needs including the size of the pipes, the minimum and maximum length, and the maximum height difference between the indoor and outdoor unit. When in heating both work fine. I have a AUX mini split unit that heats fine but then the set temperature light starts flashing & the unit stops working. Merely turning off the unit’s power switch will not completely disconnect the unit from the power source. Any guesses? When you turn the larger head on by itself that head operates fine. Overly windy areas can also negatively impact the unit. If you have a 3 cassette out side unit can you only hook up 2 of the casettes and it run right. That will tell you what the blinking lights means and what the issue with the unit is. It sounds like you are talking about condensate removal pumps. This will make sure that there are no leaks. Any other ideas? Can anyone tell me what this might be and a way to fix it. If too high or too low of a voltage is delivered to the unit, damage to the boards can occur. They took the time to answer all our questions, took care of all the paperwork for our rebates and did a wonderful job with the install. Instal went well no issues. Hi All, One of our mini splits is flashing and not working. The larger unit was incorrectly installed which resulted in the unit leaking inside the house. Make sure that if you are in a location that gets snow your unit is installed on a stand or wall mount that is above the snow. New England Heat Pumps were prompt and help answer all my questions! All the indoor units are showing the condensate image and not turning on. Please can u help me? THANKS! It was “fixed”, developed a leak again, was “fixed”, developed another leak. No offer to have a Fujitsu certified tech come to see what’s going on. Sounds like an issue with the thermistor in the unit. Mitsubishi customer service was of no help. Is that a reliable way to troubleshoot? The breakers for the unit were tripped. Adding more refrigerant is just a temporary solution. Make sure you check your units specifications when looking for all year cooling. Blinking lights are not always a bad thing. It sounds like the Phillips screw that mounts the blower wheel to the motor shaft may need to be tightened down a little more. Is this a thermostat problem or inside unit control board failure? The wire should be stranded, not solid core. I’m also looking for a part for the outside unit to stop a slow drip. A wind baffle will expand the range of the unit. Both of the head units are set the same way, so I don’t think its a conflict between them. I have a 10 year old tri unit- cool only- LG. Our split unit is running pretty much all the time. Installing the units in a garage in Florida would not be a good idea unless it is open all the time. 1- 18,000 BTU indoor head in Living room, 2-9000 BTU heads in dining room and kitchen. This defrost mode usually only last 10-15 minutes. Our pioneer unit has worked well, but the main 18000 unit in the main room has always had an air blowing sound when on. Our fujitsu air-con is flashing economy and operation and will not blow out any air. My unit is showing d1 and not cooling at all. This temporarily seems to work, but it seems to be becoming more regular. I have a system where I’m getting 240 at the head but nothing is happening, no lights, nothing. In a half hour or 2 hours , it will start working again.and then go off with the error. eg I set it to 20deg and after blowing hot air for a while, it started blowing tepid (at best) air at about the same rate. Hi, I have a Friedrich 24000 btu mini split ac heat pump. I have a lg mini split system with three different zones. I checked power from the fuse box to the line. Make sure the entire line is insulated all the way up to the flair connections. 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