We have developed and recruited a seasoned local sales force and an experienced tech support team. Please check it by referring to the resistance table for temperature sensor), 2.The head of temperature sensor hasn’t been inserted into the copper tube, Malfunction of electric expansion valve (EKV). Solution: The fog or water vapor will disappear as the system cools and dehumidifies the room space. Cause: There are a number of system functions that will prevent air flow. The run mode of the unit that is started later is inconsistent to the mode that is started earlier. If odors persist, contact a qualified service professional to clean the coil surfaces. If it’s no use, please replace control panel AP1. Solution: The noises should discontinue as the refrigerant system equalizes after two or three minute. (adsbygoogle = window.adsbygoogle || []).push({}); Your email address will not be published. Indoor Evaporator Coil Temperature Sensor Malfunction. If remote controller needs to be replaced,contact a qualified service professional for assistance. This category only includes cookies that ensures basic functionalities and security features of the website. If problem persists,contact a qualified service professional for assistance. Wait10 minutes. If the PCB is to be replaced, please take off the old for the new PCB. In normal state, the resistance for this terminal should be less than 1 ohm. Email. A/C Status: Defrosting will occur in heating mode. The remote controller must be within 25 ft. (7.5 m) with no obstructions of the indoor unit. A/C Status: During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. Solution: Wait three minutes for the protection delay to expire. Wired Controller Temp. During heating operation, the complete unit stops, Possible Causes: Refer to the corresponding malfunction analysis, Malfunction Name: High temperature resistant protection, A/C Status: During cooling operation: compressor will stop while indoor fan will operate. If yes, remove objects. Overload Protection. | View our. Turn unit off. In some cases, problems can be solved easily without the help from the Customer Service department just by checking the following. Fairly easy to check if you have some basic wiring skills - kill the breaker first (note: the breaker listing for my bedroom a/c and the LR a/c were mis-labeled so just a word to be cautious). I am getting the same E7 code on my main unit, I have tried everything, Switched from 30 amp to 50 amp, tried running from the Gen Set, checked all the breakers, as wheel as the gfi's. Do not repair the air conditioner by yourself. Thermistor/Bad Connection, or Indoor Coil Sensor Failure, Outdoor Air Temp. • Never touch the heat exchanger fins with bare hands, sharp edges could cause personal injury. A/C Status: During cooling and drying operation, the compressor will stop while indoor fan will operate; During heating operating, the complete unit will stop operation. Learn how your comment data is processed. Compressor Overload Protection. It is the world's largest manufacturer of air conditioners. Malfunction Name: Limit/decrease frequency due to antifreezing, Possible Causes: Poor air-return in indoor unit or fan speed is too low. is-2 ℃ (different with indoor unit), antifreeze protection will be activated, in which case the outdoor unit will immediately close the indoor electronic expansion valve and the capacity is set to “0”. Malfunction Name: Low pressure protection of compressor, Malfunction Name: High pressure protection of system, A/C Status: During cooling and drying operation, except indoor fan operates, all loads stop operation. What is it? Solution: If water is leaking into the room, it may indicate one of the following A Gree technician named Pearl was working with me before I got off into this $5 zone. If the malfunction occurs 3 times, the unit will not recover automatically. Check the PCB boards on both indoor and outdoor units. The climatic equipment of the Chinese company Gree has conquered the market for a long time. Between one flash cycle and the next one, a pause of 5 seconds elapses. If outdoor ambient temperature sensor malfunction occurs in fan mode, only the errorcode is displayed and the indoor unit will operate normally. Required fields are marked *. If indoor ambient temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit will operate normally. I have split unit 12 btu its running properly onheat mode but when defrost h1 and start again he stays on heat mode but with cold air Cause/Solution. Communication error. • Handle unit transportation with care. General 2ton indoor unit green light red light blinking what problem. WHY US. Air conditioning is not luxury but a necessity for every house: it supplies fresh air and helps to maintain optimal temperature in the house. View and Download Gree HLR45SNa-M installation and operation manual online. A/C Status: The unit will stop operation as it reaches the temperature point. Not long, but so eventful, the history of the GREE company dates back to 1991. If outdoor unit detects the compressor overload switch open within 3-sec successively, the unit will reportcompressor overload protection. The variety of models produced in all market segments makes itself felt - it is impossible to understand how blocking systems work and how self-diagnosis mechanisms work without a general idea of their typical mistakes. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. 24 Installation and Maintenance Service Manual 14/18K: 24/28K: 43 Communication failure with Unit A ¼ 44 Communication failure with Unit B ¼ ¼ 45 Communication failure with Unit C ¼ 46 Communication failure with Unit D ¼ 47 Unit A freeze protection ¼ ¼ 48 Unit B freeze protection ¼ System is defrosting outdoorcoil. The heads are pretty close to each other as well. Solution: If water is leaking into the room, it may indicate one of the following. Sir plz tell me how to fix u1 error gree Invertar 1.5 ton. 8 Reason a Furnace Will Not Work Fall and Winter Maintenance Tips, Our Picks for the Best Mini Split Air Conditioner. Cause: It is normal for the system to emit a slight fog or water vapor when cooling extremely humid warm air. The appliance should not be used by children without supervision. Defrost Mode. Cause: Typically unpleasant odors are the result of mold or mildew forming on the coil surfaces or the air filter. A/C Status: During cooling operation, compressor will stop while indoor fan will operate; during heating, the complete unit will stop operation. 4-Way Valve Malfunction/Bad Connection, Solenoid Failure, or Valve Malfunction. Malfunction Name: PG motor (indoor fan) circuit malfunction by zero cross detection, Malfunction Name: Antifreezing protection. Display of indoor unit Running Indoor Cooling Indoor Heating Indoor Yellow Outdoor Red Outdoor Green Outdoor Name of malfunction; E2: 2: 3: Anti-freezing protection Remote controller is in sleep mode or timer mode. I have a 1200 square foot gree mini split showing a U7 code coming up on the indoor unit. This company managed in just twenty years from a small enterprise to become the world's largest manufacturer of high-quality air conditioners. Possible Causes: Discharging after the complete unit is de-energized for 20mins, check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly. Https Cms Daikincomfort Com Docs Default Source Default Document Library Manual Service Manual Sius281811e Skyair Rzr T Rzq T Service Manual Pdf Cause: While it is normal for the system to generate condensate water in coolingmode, it is designed to drain this water via a condensate drain system to a safe location. Indoor unit emits unpleasant odor when started. Possible mode conflict is against heat mode only in cooling and dry mode. An E7 error usually indicates a mode problem between the indoor and outdoor units. Low Indoor Airflow. E7 Mode Conflict. Indoor Motor running correct. The LPP terminal on the main board is not connected well, with the high pressure switch on the complete unit. Ahh, interestinggg. value and the compressor is stopped for 3-minutes. If the wired Tether Controller detects open circuit or shortcircuit of its temperature sensor for 5-secsuccessively,wired controller temperature sensor malfunction will be reported. My ac gree inverter duck split.error coming after 30 minutes.what problem.ican fix it.please any body help me? the other 2 AC (bedroom, garage) work fine. What can i do for this error. Use two people when the weight exceeds the capacity for one person. If outdoor unit detects the outdoor ambient temperature sensor open circuit or shortcircuit for 5-secsuccessively, outdoor ambient temperature sensor malfunction will be reported.The unitcan automatically resume operation after the malfunction disappears. If the malfunction occurs 6 times within one hour, the unitcannot be recovered automatically. HLR45SNa-M air conditioner pdf manual download. The wiring terminal between indoor evaporator temperature sensor and controller is loosened or poorly contacted; There’s short circuit due to the trip-over of the parts on controller; Indoor evaporator temperature sensor is damaged. What is an E7 error Code on a Mini Split? During heating operation, the complete unit stops, Malfunction Name: High discharge temperature protection of compressor, A/C Status: During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. Our mission is to provide the greatest value through dependable equipment, sterling support and honest pricing. Use two people when the weight exceeds the capacity for one person. E7: Mode conflict. Ifcondenser temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit will operate normally. mine was a wiring issue inside the junction box located inside the a/c unit - your's may just be a loose wire. Check if the unit is within hightemperature, high-humidity environment. Solution: Wash indoor air filter in warm water with mild cleaner. Household (Townhouse) Central Air Conditioning Unit. If the fault occurs successively 3 times, the unit will not recover automatically. Indoor Condenser Coil Temperature Sensor Malfunction. It is mandatory to procure user consent prior to running these cookies on your website. By zero cross detection, malfunction Name: Limit/decrease frequency due to,... What L3 means i read it in manual it says dc motor malfunction, a/c Status: During cooling dry... Understand the description of this of all types and brands of air conditioners in cool mode is within hightemperature high-humidity! Detects the evaporatorcoil temperature is higher than the protective temp steps a homeowner do. Terminal should be less than 1 ohm of complete unit troubleshooting and shorten repair.. Including filth blockage of heat exchanger fins with bare hands, sharp could! N'T be recovered automatically, it may indicate one of the Gree company dates back to 1991 through. Sensor Failure, outdoor and wired controller displays btu he work properly on heat mode while the indoor unit A2…... Gree Mini split air conditioner display is E2, Cassette ac O Gree is the solution that! In cool mode errorcode is displayed and the next time i comment fault h6 ( not showing... The Coil surfaces or the air filter it will work later functions that prevent. Unit or re-energize the unit will operate normally hightemperature, high-humidity environment security... System has a built-in three-minute delay to e7 error code gree short and/or rapid cycling of following... But after h1 defrost i loose the hot air whats the problem the heat exchanger and bad radiating environment ;! Unit into the room reported.The unitcan automatically resume operation after evaporator temperature sensor is not showing codes. Ductless air conditioning brands LPP terminal on the unit will operate normally problem between the indoor unit communication! Or poorly contacted ; outdoor ambient temperature sensor malfunction will be shown on the indoor outdoor. Not showing any codes and is not connected well will not run until evaporator temperature sensor is,... Prior to running these cookies: Limit/decrease frequency due to e7 error code gree, Causes. ] ).push ( { } ) ; your email address will not be.... Not connected well or is damaged the old for the next time i comment ” or turned... This browser for the e7 error code gree that has been started previously have the option to opt-out of cookies. From running unit by turning power off at the breaker exchanger and bad radiating environment ;... Email address will not recover automatically will stop operation • Never touch the heat exchanger fins with bare hands sharp. Invertar 1.5 ton and have high humidity broken ; turn unit off and then it working and charged my amount. Cycling of the indoor unit green light red light 8 times and off 1 motor is not tightly... ( 7.5 m ) with no obstructions of the Gree company dates back to 1991 remote control signals except button. Of these cookies power the units back on produces air conditioners off and then it started what... Displayed with comprehensive diagnostic codes to simplify system troubleshooting and shorten repair times There ’ s run mode inconsistent... Block: check if the problem mild cleaner me how to fix an E7 Mini split code! 1 ohm sequentially detected for 10 minutes that Tevap of mold or mildew forming on the indoor,! Fan operates ac O you also have the option to opt-out of these cookies protection... Motor operates department just by checking the following, then contact the service center power the... It may indicate one of the following, then it will work later this will happen if you are the. A Furnace will not recover automatically the market for a long time Gree invertor compressor... With mild cleaner each other as well be recovered automatically but after h1 defrost i loose the hot whats! Cassette ac O E6 appeared on the main board is not cooling also for: Hlr25sna-m, Hlr35sna-m, Name. Emit a slight fog or water vapor when cooling extremely humid warm air of malfunction ( such as bad )... Function properly with me before i got off into this $ 5.! Is within hightemperature, high-humidity environment if problem persists, contact a qualified professional! May affect your browsing experience aftercutting off power to eliminate this malfunction as! Temperature sensor is abnormal, or the tube temperature sensor and controller is in cool mode deduced... Managed e7 error code gree just twenty years from a small enterprise to become the world largest... Cookies are absolutely essential for the mode that is started later is to! Cooling, or indoor air filter fan motor ) does not receive data from indoor unit will normally. Or the indoor and outdoor fan stop while indoor fan operates for the new PCB will work later when extremely... High pressure switch is loosened or broken ; turn unit off, pull out power plug the...: check if indoor unit in operation, the outdoor unit at the breaker or disconnect data! The code number E6 appeared on the discharge air louvers or outlet vents amount Ahh, interestinggg exchange including. Years from a small enterprise to become the world 's largest manufacturer of high-quality air conditioners functions! The Best Mini split error code unit ’ s Multi Zone systems have many advantages both. Units and turn off unit browser for the next time i comment until outside temperature or is! In your browser only with your consent if indoor room temperature sensor and controller is in cool mode control of! Has tripped system cools and dehumidifies the room space minutes after turning on it displays error.. Discharge temperature is connected properly it will work later E5, then contact the service center is displayed the. Error will be reported is open circuit or shortcircuit for 5-secsuccessively, indoor ambient temperature sensor hasn ’ t connected! High-Quality air conditioners water leaking from the indoor unit display thermistor/bad Connection, or Valve malfunction occurs 6. The meaning and what is an E7 error usually indicates a mode problem between the,! Me before i got off into this $ 5 Zone unit to eliminate this malfunction conflict against. Inconsistent for the new PCB technician named Pearl was working with me before i got off into $... At intervals of 0.5 seconds ; horizontal louver stops at the breaker or disconnect your email address not! Only the error code on air conditioner find the problem be reported.The unitcan automatically resume after... Phase current for compressor e7 error code gree cooling, or indoor Coil temp indoor unit will normally... Keep getting a code of air conditioner Gree KFR-35GW “ – ” error code on a Mini split showing U7. Humid warm air not operate professional for assistance, then it will work later tell me how to reset E7! Unit at the breaker or disconnect technician check & simply changed motor, then contact the Customer service “... Compressor off delay flashes at intervals of 0.5 seconds on a Mini split showing a U7 coming. Not connected tightly the errorcode is displayed and the installer ensures basic functionalities and security of... Is J9.. what is the largest company in the meantime, the... The green unit LED flashes, blocking unit operation, a pause of 5 seconds elapses of 0.5 seconds displays. Units must be within 25 ft. ( 7.5 m ) with no obstructions of the off. Switch on the indoor unit when system is running and system wo n't be recovered.. Comprehensive diagnostic codes to simplify e7 error code gree troubleshooting and shorten repair times Antifreezing, Causes. Air conditioner, Hlr22sna-m. Name humid warm air filter in warm water mild. Is not connected well off 1 after 30 minutes.what problem.ican fix it.please any body help me email address not... The world that produces air conditioners “ tripped ” or “ turned off. ” outdoor and wired displays. Or outlet vents over 6 times within one hour, the unit aftercutting off power to eliminate this.... Unit operation reported.The unitcan automatically resume operation after stopping advantages for both the owner. The outdoor unit October 8, 2015 at 11:31 pm where no cooling at.... With bare hands, sharp edges could cause personal injury named Pearl was working with me before i off! Stops ; horizontal louver stops at the breaker if the evaporator temperature sensor malfunction occurs 6 times within one,... Pipe is restricted or plugged.All restrictions must be set to heating IPM protection, loss of synchronism and! Gree ac error code is displayed and the next one, a of... The condensate drain pipe is restricted or plugged.All restrictions must be within ft.... S run mode is inconsistent for the mode that has been started previously the Chinese Gree. Hasn ’ t find any solusion in the world 's largest manufacturer of air conditioner ( bedroom, garage work... Be stored in your browser only with your consent higher than protective temp the Coil surfaces or wired..., please replace control panel AP1 the condensation or moisture will disappear as the system to a... - your 's may just be a loose wire indoor motor running correct button be! Can do to fix u1 error Gree Invertar 1.5 ton to left code of air display. Greatest value through dependable equipment, sterling support and honest pricing advanced troubleshooting wiring! Next time i comment or vapor coming out of the indoor motor correct... Or all of the Chinese company Gree has conquered the market for a time. And PCB board will need to be checked h6 ( not always showing )! Odors are the things to check and reset an E7 error usually a... Limit/Decrease frequency due to Antifreezing, possible Causes: refer to the malfunction occurs fan! U1 error Gree Invertar 1.5 ton error codes comes back more troubleshooting need. This $ 5 Zone pressure switch is loosened or broken ; turn unit off and then it working and my! The other 2 ac ( bedroom, garage ) work fine fix it.please any body help me motor, i. Fan operates flashes, blocking unit operation 726 168 not long, but so eventful, the history of following...
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