Check if the unit is in “off” mode. After 240 hours of use, the display window “CL” will flash on the indoor unit. Error Code Explication: (Unit Size 36K – 42K) = Compressor stalling, Carrier ac Error Code IDU Side: LF Error Code Explication: (Unit Size 18K – 24K – 30K) = Indoor and outdoor units mismatch -The filter is blocked by dust Months into the cooling season I justed hooked up the ui directly to the ac, piggyback n existing wire … Error Code Explication: (Unit Size 36K – 42K) = Abnormal input AC voltage, Carrier ac Error Code IDU Side: PU Press and hold the “Reset” button for another 3 seconds – this time there should be a light flash on the display. General troubleshooting for below carrier split air conditioners: Carrier AC problem: Indoor unit emits bad odor at start-up Others tried to oversell their products and services. (Carrier ac error code e1)E1: Loss of communication between the CCC 2 thermostat and an individual system power module board. -Unit needs reset Error Code Explication: (Unit Size 36K – 42K) = IPM Rest, Carrier ac Error Code IDU Side: P5 Carrier AC Problem: Indoor unit produces a mist when the air conditioner is running Carrier AC Possible Cause:-This is normal cooling and is caused by high humidity and temperature in … BEKO Refrigerator Error Codes|Error Solution, Beko Washing Machines Error Code| Solution, BERETTA Gas Boiler Error Codes| Error Solution, Biasi Gas Boiler Error Codes | Troubleshooting, Blanco Dishwasher Errors| Troubleshooting, Shoe Size Conversion Chart from Other Countries, Friedrich AC Error Codes| Troubleshooting, Delonghi Portable Air Conditioner Fault Codes | Solution. Carrier Error Code Explication: Unit D Indoor return air temperature sensor malfunction, Carrier Error Code 46 Carrier Error Code Explication: Unit B freeze protection, Carrier Error Code 33 And, we're looking forward to enjoying the new air conditioner once summer rolls around again. The major advantage of using fan mode in AC is the apparent energy savings due to the absence of compressor function. Will be done. Will be done. Carrier AC Solutions: (Example:-CL,F2,E1,EC,carrier ac error code e5) is listed on this website. Tanks. Close the window or door Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for freeze protection If you own any other Carrier® product, take a look on the front or sides for the model number – we try to make them easy to find. Carrier Error Code Explication: Indoor return air temperature sensor malfunction, Carrier Error Code 43 Operation of air conditioner When power breaker is turned “ON”, the operation indicator (Green) of the indoor unit flashes. Check to make sure your control or thermostat is set in cooling mode. Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor phase detection malfunction Or PCB defective. Celestial Air Conditioner Codes 0108 0307. Error Code Explication: (Unit Size 36K – 42K) = Capacitor charging malfunction, Carrier ac Error Code IDU Side: H1 It should only be used to maintain moisture levels which is ideal for human comfort. Required fields are marked *. Error Code Explication: (Unit Size 36K – 42K) = Outdoor ambient temperature sensor malfunction, Carrier ac Error Codes IDU Side: F4 Carrier Error Code Explication: Unit E Indoor return air temperature sensor malfunction, Carrier Error Code 56 Carrier AC Solutions: Error Code Explication: (Unit Size 36K – 42K) = IPM over temperature protection, Carrier ac Error Code IDU Side: P9 The contents of items B and C and a part of item E are displayed when the air conditioner is operated Error Code Explication: (Unit Size 18K – 24K – 30K) = Pump down mode -Without flowing water Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor discharge high temperature protection INDOOR FAN Motor Heat up Or  LOCKED/ No power Supply to IDU Fan Motor. You should be able to find the model number on a decal inside the front access panel. Error Code Explication: (Unit Size 36K – 42K) = Condenser coil inlet temp sensor malfunction, Carrier ac Error Code IDU Side: A7 -It is normal and the refrigerant flowing through the system, Carrier AC problem: Indoor unit creates haze when the air conditioner is running Error Code Explication: (Unit Size 18K – 24K – 30K) = Current sensor malfunction Carrier chiller alarm codes; The following list gives a complete description of each alarm code and its possible cause. Error Code Explication: (Unit Size 36K – 42K) = NA, Carrier ac Error Code IDU Side: F6 When an error is displaying on your air conditioning display, the air conditioning stops working. -Train is not set properly Carrier Error Code Explication: Unit A Indoor return air sensor malfunction, Carrier Error Code 16 Refrigerant leaks. Carrier Error Code Explication: Unit D indoor pipe outlet temperature sensor malfunction, Carrier Error Code 44 The fan control may be in “off” position. Error Code Explication: (Unit Size 18K – 24K – 30K) = NA We have a two stage Carrier home heating and AC system. Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for module temperature protection Due to EC error code. Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor overheat protection Error Code Explication: (Unit Size 18K – 24K – 30K) = Indoor freeze protection Make sure your outdoor condensing unit is running. Error Code Explication: (Unit Size 18K – 24K – 30K) = Input current protection Error Code Explication: (Unit Size 36K – 42K) = Compressor phase loss protection, Carrier ac Error Code IDU Side: LE Error Code Explication: (Unit Size 18K – 24K – 30K) = Defrost or heating oil return cycle Career AC Possible Reasons: Carrier Error Code Explication: Unit E indoor pipe inlet temperature sensor malfunction, Carrier Error Code 55 Error Code Explication: (Unit Size 18K – 24K – 30K) = Cold Blow Protection Error Code Explication: (Unit Size 18K – 24K – 30K) = NA Carrier Error Code Explication: Unit A indoor pipe inlet temperature sensor malfunction, Carrier Error Code 15 IF YOUR SYSTEM ISN'T RUNNING This is the function that is used on rainy days as the humidity level is very high during the rainy days and this mode keeps the atmosphere of the room cool and dry. Make sure the temperature is set cooler than the current indoor temperature. Error Code Explication: (Unit Size 36K – 42K) = Defrost Mode 1, Carrier ac Error Codes IDU Side: 0A Error Code Explication: (Unit Size 36K – 42K) = NA, Carrier ac Fault Code IDU Side: FH I most appreciated their honest recommendations. Carrier Window Room AC Error Codes Operate the fan without cooling until the frost disappears. Error Code Explication: (Unit Size 18K – 24K – 30K) = PFC board protection Carrier chiller alarm codes 30GX and 30HXC series PRO-DIALOG Control Screw-Compressor Air … Neat, timely and clean service; the peace of mind I needed during a very cold holiday season. I have a carrier infinity system in my attic that covers my second floor heat/ac. Error Code Explication: (Unit Size 18K – 24K – 30K) = Outdoor discharge air temperature sensor Clean the air filter After 15 seconds, the unit will return to its previous performance. I received three quotes before deciding to choose Twintech. A single-stage air conditioner is the most basic model, with airflow on or off. Carrier Error Code Explication: Unit B mode conflict, Carrier Error Code 27 Please visit this page. Links to all of the fault codes of Carrier air conditioning system. Step 5: Remove the special air filter, shake off the dust then set aside. Error Code Explication: (Unit Size 36K – 42K) = Communication error between the inverter drive and main board, Carrier ac Error Code IDU Side: P7 Your email address will not be published. Error Code Explication: (Unit Size 18K – 24K – 30K) = High voltage protection Thank you for understanding my concern carrier air conditioner codes IF YOUR SYSTEM ISN'T RUNNING Check to make sure your control or thermostat is set in cooling mode. Note: Carrier air conditioner heater model numbers and sizes that apply to the error codes and troubleshooting on this page: – Carrier AC multi split ductless unit: 38GVM size 18k, 24k, 30k, 36k and 42k. Blueway Air Conditioner Codes 0300. Carrier Error Code Explication: Unit C indoor unit pipe inlet temperature sensor malfunction, Carrier Error Code 35 Error Code Explication: (Unit Size 36K – 42K) = Current sensor mis-wiring protection, Carrier ac Error Code IDU Side: PA Error Code Explication: (Unit Size 18K – 24K – 30K) = Test mode With various quotes thrown at you, it can be difficult to make the right decision and trust the solutions offered by different companies. … Carrier Air Conditioning Error Code EO-(OL 1 Time)Indoor unit EEPROM parameter error. – Commercial air has an odor even after cleaning the filter Carrier Error Code Explication: Unit A freeze protection, Carrier Error Code 23 Error Code Explication: (Unit Size 36K – 42K) = System low pressure protection, Carrier ac Error Code IDU Side: E4 -After turning off the unit, wait at least 3 minutes before attempting to restart We felt that the Amana furnace and air conditioner he quoted us on were the best products and value offered to us and felt most comfortable with the professionalism and reputation of Twintech. Look for a blown fuse or a trip circuit circuit breaker that is not in the ON position. Just call your local Carrier … -Replace battery I'm so thankful that this company returned my phone call. Career AC Possible Reasons: Error Code Explication: (Unit Size 36K – 42K) = NA, Carrier ac Error Codes IDU Side: F3 Error Code Explication: (Unit Size 18K – 24K – 30K) = NA Error Code Explication: (Unit Size 18K – 24K – 30K) = NA Carrier Error Code Explication: Unit D mode conflict, Carrier Error Code 47 Call 13 Cool (13 2665) For Carrier chillers, air … Check temperature and reset if necessary Greg and Mitch arrived on time to do the installation and worked quickly and efficiently to complete the job. Error Code Explication: (Unit Size 36K – 42K) = Compressor discharge high temperature protection, Carrier ac Error Code IDU Side: E6 -It is normal cooling and is caused by high humidity and temperature in the room Error Code Explication: (Unit Size 36K – 42K) = Condenser outlet temperature sensor malfunction, Carrier ac Error Code IDU Side: EE Ensure that the blower motor in your furnace or fan coil is running. Carrier Error Code Explication: Unit E freeze protection, Carrier Error Code C5 I have an LG dual inverter air conditioner unit, bought and installed in september 2020, the problem is when switched on heat CH73 comes on and I have to switch power off for 20 minutes, then switch on … This is done without any cooling, like a normal fan. AC professionals recommend using aircon dry mode for 1-2 hours only. Carrier GEMINI 38APD025-100 air conditioner error codes Air conditioning equipment Carrier GEMINI 38APD025-100 represents commercial air-cooled condensing units with COMFORTLINK controls. Carrier AC Solutions: Carrier cassette fault codes; Once a failure occurs with the indoor unit in operation, the green unit LED flashes at intervals of 0.5 seconds. I already checked all the wires between the two units were OK. voltage is OK also .Is there any relation ship with capacitor and the main board .THANK YOU Installation and removel was done on a sloppy winter day, they put down runners on the floors and stairs and when they left, there wasn;t any sign of someone being in our house. Error Code Explication: (Unit Size 18K – 24K – 30K) = Communication error between indoor and outdoor Error Code Explication: (Unit Size 36K – 42K) = NA, Carrier ac Error Code IDU Side: F8 We went from 70% (I am willing to bet it was far less due to lack of maintenance and just old) to 96% newer . In health mode, the anion generator will ionize the hydron in the air, and produce negative oxygen ions, it can make the air fresh and kill bacteria. replace motor. The fault code is deduced from the number of times … Error Code Explication: (Unit Size 18K – 24K – 30K) = Outdoor ambient temperature sensor malfunction Carrier Error Code Explication: Unit B indoor pipe outlet temperature sensor malfunction, Carrier Error Code 24 ABDULJALIL ALI May 10, 2020. Error Code Explication: (Unit Size 18K – 24K – 30K) = NA -Protect the unit at instant restart after a stop, the system controller will delay the unit for 3 minutes before allowing the unit to start. Error Code Explication: (Unit Size 18K – 24K – 30K) = Low voltage protection Dave's prices was much more reasonable than the competitors. Clean the air filter Save my name, email, and website in this browser for the next time I comment. Error Code Explication: (Unit Size 36K – 42K) = NA, Carrier ac Fault Code IDU Side: U3 Their loss, missing out on a sale since we didn't want to spend much fixing an old furnace and our 40 year old air conditioner was also long overdue for replacement. If it isn't, your system won't know to provide cooling. It should only be used to maintain moisture levels which is ideal for human comfort. Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor current protection Wait a few moments when the unit is reset. carrier ac Fault code ec An EC Fault code on a mini partition indicates a refrigerant leak detection Fault. Error Code Explication: (Unit Size 36K – 42K) = NA, Carrier ac Fault Code IDU Side: HE Error Code Explication: (Unit Size 36K – 42K) = Test mode, Carrier ac Error Code IDU Side: Fo -The external unit is interrupted Locate the current filter. Air purifiers. E1-(OL 2 Time)Indoor / outdoor units communication error. If it is not running, make sure the breakers in your home's breaker box or electrical panel are in the ON position. – Carrier AC multi split ductless unit: 40GVM size 9k, 12k and 18k. Thanks Twintech! Error Code Explication: (Unit Size 18K – 24K – 30K) = NA Very professional through the entire process. Error Code Explication: (Unit Size 36K – 42K) = Current sensor malfunction, Carrier ac Error Code IDU Side: Pd ● Air-conditioner in dry mode acts as a dehumidifier by removing moisture from indoor air. That is why all the list code of carrier air conditioning error has been put on this website so that you can easily solve the career air conditioning error if you do not get the solution, then you can comment our team update the solution of that error soon on this site. Note: There is also a flowchart troubleshooting below to help fix your carrier AC. Code 14 – Ignition Lockout Code 21 - Gas Heating Lockout Code 22 - Abnormal Flame Proving Signal Code 23 – Pressure Switch Did Not Open Code 24 – Secondary Voltage Fuse Open Code 33 – Limit Circuit Fault AND high heat only is active Code 45 – Control Circuitry Lockout Code … Error Code Explication: (Unit Size 36K – 42K) = Forced defrost, Carrier ac Error Code IDU Side: H3 Error Code Explication: (Unit Size 18K – 24K – 30K) = System low pressure protection – Power off the power unit Error Code Explication: (Unit Size 18K – 24K – 30K) = System high pressure protection Open the door panel to get access to your Carrier furnace. Career AC Possible Reasons: Error Code Explication: (Unit Size 18K – 24K – 30K) = NA We proceeded in obtaining three different quotes for furnace and air conditioner replacement, and proceeded with the one we received from Twintech. Error Code Explication: (Unit Size 18K – 24K – 30K) = Cooling oil return cycle If not, check to make sure your indoor unit switch is in the ON position. The guys were friendly and informative, the job was completed efficiently and workmanship appears excellent. Error Code Explication: (Unit Size 18K – 24K – 30K) = Heat sink temperature sensor malfunction Carrier Error Code Explication: Unit B Indoor return air sensor malfunction, Carrier Error Code 26 Carrier Error Code Explication: Unit C mode conflict, Carrier Error Code 37 Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for module circuit protection Error Code Explication: (Unit Size 36K – 42K) = Heating oil return cycle, Carrier ac Error Code IDU Side: H2 Error Code Explication: (Unit Size 36K – 42K) = Compressor overheat protection, Carrier ac Error Code IDU Side: H5 5 flashing is ‘ compressor drive‘ and check the high pressure, condenser fan motor, capacitor and condenser coil dirty. Carrier Transicold Vector Alarm Codes. Carrier AC Error Code – Indoor Unit (38GVM & 40GVM) Pigtailed furnace and ac into zne board This lasted almost as year but failed a couple. Carrier Partition System Air Conditioner Error Code and Troubleshooting, Carrier AC 38 and 40 GVM indoor unit error code, Carrier AC Error Code – Indoor Unit (38GVM & 40GVM), Carrier Split Air Conditioner AC Error Codes | Troubleshooting, Error Code Explication: (Unit Size 18K – 24K – 30K) = NA, Error Code Explication: (Unit Size 36K – 42K) = Defrost Mode 1, Error Code Explication: (Unit Size 36K – 42K) = Defrost Mode 2, Error Code Explication: (Unit Size 18K – 24K – 30K) = Low charge or refrigeration system blockage, Error Code Explication: (Unit Size 36K – 42K) = NA, Error Code Explication: (Unit Size 18K – 24K – 30K) = Outdoor ambient temperature sensor malfunction, Error Code Explication: (Unit Size 36K – 42K) = Outdoor ambient temperature sensor malfunction, Error Code Explication: (Unit Size 36K – 42K) = Outdoor mid-coil temperature sensor malfunction, Error Code Explication: (Unit Size 18K – 24K – 30K) = Outdoor discharge air temperature sensor, Error Code Explication: (Unit Size 36K – 42K) = Outdoor discharge air temperature sensor, Error Code Explication: (Unit Size 18K – 24K – 30K) = Cooling oil return cycle, Error Code Explication: (Unit Size 36K – 42K) = Cooling oil return cycle, Error Code Explication: (Unit Size 18K – 24K – 30K) = System high pressure protection, Error Code Explication: (Unit Size 36K – 42K) = System high pressure protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Indoor freeze protection, Error Code Explication: (Unit Size 36K – 42K) = Indoor freeze protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = System low pressure protection, Error Code Explication: (Unit Size 36K – 42K) = System low pressure protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor discharge high temperature protection, Error Code Explication: (Unit Size 36K – 42K) = Compressor discharge high temperature protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Communication error between indoor and outdoor, Error Code Explication: (Unit Size 36K – 42K) = Communication error between indoor and outdoor, Error Code Explication: (Unit Size 18K – 24K – 30K) = Mode conflict, Error Code Explication: (Unit Size 36K – 42K) = Mode conflict, Error Code Explication: (Unit Size 18K – 24K – 30K) = System overload protection, Error Code Explication: (Unit Size 36K – 42K) = System overload protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Cold Blow Protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Test mode, Error Code Explication: (Unit Size 36K – 42K) = Test mode, Error Code Explication: (Unit Size 18K – 24K – 30K) = Pump down mode, Error Code Explication: (Unit Size 36K – 42K) = Pump down mode, Error Code Explication: (Unit Size 18K – 24K – 30K) = IPM Rest, Error Code Explication: (Unit Size 36K – 42K) = IPM Rest, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor current protection, Error Code Explication: (Unit Size 36K – 42K) = Compressor current protection, Error Code Explication: (Unit Size 36K – 42K) = Communication error between the inverter drive and main board, Error Code Explication: (Unit Size 18K – 24K – 30K) = Heat sink temperature sensor malfunction, Error Code Explication: (Unit Size 36K – 42K) = Heat sink temperature sensor malfunction, Error Code Explication: (Unit Size 18K – 24K – 30K) = IPM over temperature protection, Error Code Explication: (Unit Size 36K – 42K) = IPM over temperature protection, Error Code Explication: (Unit Size 36K – 42K) = Open Contactor, Error Code Explication: (Unit Size 18K – 24K – 30K) = Current sensor malfunction, Error Code Explication: (Unit Size 36K – 42K) = Current sensor malfunction, Error Code Explication: (Unit Size 36K – 42K) = Current sensor mis-wiring protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Input current protection, Error Code Explication: (Unit Size 36K – 42K) = Input current protection, Error Code Explication: (Unit Size 36K – 42K) = Inverter board ambient temperature sensor malfunction, Error Code Explication: (Unit Size 18K – 24K – 30K) = Low voltage protection, Error Code Explication: (Unit Size 36K – 42K) = Low voltage protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = High voltage protection, Error Code Explication: (Unit Size 36K – 42K) = High voltage protection, Error Code Explication: (Unit Size 36K – 42K) = Abnormal input AC voltage, Error Code Explication: (Unit Size 18K – 24K – 30K) = Capacitor charging malfunction, Error Code Explication: (Unit Size 36K – 42K) = Capacitor charging malfunction, Error Code Explication: (Unit Size 18K – 24K – 30K) = Defrost or heating oil return cycle, Error Code Explication: (Unit Size 36K – 42K) = Heating oil return cycle, Error Code Explication: (Unit Size 36K – 42K) = Forced defrost, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor overheat protection, Error Code Explication: (Unit Size 36K – 42K) = Compressor overheat protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = IPM Protection, Error Code Explication: (Unit Size 36K – 42K) = IPM Protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor speed reduction, Error Code Explication: (Unit Size 36K – 42K) = Compressor speed reduction, Error Code Explication: (Unit Size 18K – 24K – 30K) = PFC board protection, Error Code Explication: (Unit Size 36K – 42K) = PFC board protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor high voltage protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor start-up failure, Error Code Explication: (Unit Size 36K – 42K) = Compressor start-up failure, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor phase loss protection, Error Code Explication: (Unit Size 36K – 42K) = Compressor phase loss protection, Error Code Explication: (Unit Size 36K – 42K) = Compressor stalling, Error Code Explication: (Unit Size 36K – 42K) = Compressor over-speed protection, Error Code Explication: (Unit Size 36K – 42K) = Condenser coil inlet temp sensor malfunction, Error Code Explication: (Unit Size 36K – 42K) = Condenser outlet temperature sensor malfunction, Error Code Explication: (Unit Size 18K – 24K – 30K) = Memory card error, Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for module circuit protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for module temperature protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for overload protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for system circuit protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Frequency limitation for freeze protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor demagnetizing protection, Error Code Explication: (Unit Size 18K – 24K – 30K) = Indoor and outdoor units mismatch, Error Code Explication: (Unit Size 18K – 24K – 30K) = Compressor phase detection malfunction, Error Code Explication: (Unit Size 18K – 24K – 30K) = Low DC bus voltage, Error Code Explication: (Unit Size 18K – 24K – 30K) = Communication error between main board and EXV, Error Code Explication: (Unit Size 36K – 42K) = Communication error between main board and EXV, Carrier Error Code Explication: Unit A indoor pipe outlet temperature sensor malfunction, Carrier Error Code Explication: Unit A indoor pipe inlet temperature sensor malfunction, Carrier Error Code Explication: Unit A Indoor return air sensor malfunction, Carrier Error Code Explication: Unit A mode conflict, Carrier Error Code Explication: Unit A freeze protection, Carrier Error Code Explication: Unit B indoor pipe outlet temperature sensor malfunction, Carrier Error Code Explication: Unit B indoor pipe inlet temperature sensor malfunction, Carrier Error Code Explication: Unit B Indoor return air sensor malfunction, Carrier Error Code Explication: Unit B mode conflict, Carrier Error Code Explication: Unit B freeze protection, Carrier Error Code Explication: Unit C indoor unit pipe outlet temperature sensor malfunction, Carrier Error Code Explication: Unit C indoor unit pipe inlet temperature sensor malfunction, Carrier Error Code Explication: Unit C Indoor unit return air sensor malfunction, Carrier Error Code Explication: Unit C mode conflict, Carrier Error Code Explication: Unit C freeze protection, Carrier Error Code Explication: Unit D communication error, Carrier Error Code Explication: Indoor return air temperature sensor malfunction, Carrier Error Code Explication: Unit D indoor pipe outlet temperature sensor malfunction, Carrier Error Code Explication: Unit D indoor pipe inlet temperature sensor malfunction, Carrier Error Code Explication: Unit D Indoor return air temperature sensor malfunction, Carrier Error Code Explication: Unit D mode conflict, Carrier Error Code Explication: Unit D freeze protection, Carrier Error Code Explication: Unit E communication error, Carrier Error Code Explication: Unit E indoor pipe midway temperature sensor malfunction, Carrier Error Code Explication: Unit E indoor pipe outlet temperature sensor malfunction, Carrier Error Code Explication: Unit E indoor pipe inlet temperature sensor malfunction, Carrier Error Code Explication: Unit E Indoor return air temperature sensor malfunction, Carrier Error Code Explication: Unit E mode conflict, Carrier Error Code Explication: Unit E freeze protection, Carrier Error Code Explication: Jumper missing on replacement indoor board, – Commercial air has an odor even after cleaning the filter, Carrier AC Problem: When the unit is running, you hear the noise of running water, -It is normal and the refrigerant flowing through the system, Carrier AC problem: Indoor unit creates haze when the air conditioner is running, -It is normal cooling and is caused by high humidity and temperature in the room, -Mist should be closed as the room is cooled and humidity removed, Carrier AC Problem: Wireless remote control does not work, Remove the plug from the wall and then plug the plug and restart unit, Carrier AC problem: room leakage from indoor unit, Carrier AC Problem: Unit / system does not work.