Instruction/ maintenance manual of the product R410A Haier
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System Indoor Unit SERVICE MANUAL R410A MODEL : ARNU Series URNU Series CAUTION Before Servicing the unit, read the safety precautions in General SVC manual.
- 2 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Air Conditioner Ser vice Manual T ABLE OF CONTENTS Safety Precautions ........................................................
- 3 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only P ar t 1 General Inf ormation 1. Model Names .............................................4 2. External Appearance ...........
Model Names - 4 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Model Names SE Wall Mounted (General) S5 SE Mirror S3 SF 1 W.
Exter nal Appear ance - 5 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. External Appearance Wall Mounted ART COOL Mirror C.
Nomenclature - 6 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Nomenc lature ARN U G 07 A TJ 2 Serial Number Chassis Name .
- 7 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only P ar t 2 Indoor Units Ceiling Cassette 1 W a y ...............................................................................
- 8 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ......................................................................................9 2. Operation Details ....
- 9 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Specification 1. Functions Indoor Unit Operation ON/OFF by Remote controlle.
- 10 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Detail ■ A uto Swing Control • This function is to swing the louver up and down automatically.
- 11 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 12 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 4 2 1 3 860 32.8 410 344.4 961.2 16.5 19.1 50 83 36 30 242.5 173 151 100 56 83 138 131 110 16.4 . 198.
- 13 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ....................................................................................14 2. Operation Details ....
- 14 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the.
- 15 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Detail ■ A uto Swing Control • This function is to swing the louver up and down automatically.
- 16 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 17 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 830 A B 47.9 275 550 69.5 889.2 1050 640 28.5 4 2 1 3 TL A B 225 126.5 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
- 18 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ....................................................................................19 2. Operation Details ....
- 19 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the.
- 20 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Detail ■ A uto Swing Control • This function is to swing the louver up and down automatically.
- 21 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 22 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 269 670 30 570 269 90 90 120.4 30 521 670 570 450 40 110 110 670 670 4 1 3 2 5 6 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
- 23 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ....................................................................................24 2. Operation Details ....
- 24 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the.
- 25 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Detail ■ A uto Swing Control • This function is to swing the louver up and down automatically.
- 26 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 27 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: TP Ceiling Cassette 4-wa y ARNU24GTP*2 ARNU28GTP*2 Note 1.
- 28 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 840 126 62 R35 246 195 A direction View 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.
- 29 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: TM Ceiling Cassette 4-wa y ARNU42GTM*2 ARNU48GTM*2 Note 1.
- 30 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ....................................................................................31 2. Operation Details ....
- 31 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Functions 1. Functions • Room temperature sensor. (THERMISTOR) • Maintains the room temperature in accordance with the Setting Temp.
Operation Details - 32 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details DISPLA Y 1) High quality LCD remote.
Operation Details - 33 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Health y Dehumidification Mode • When the dehumidi.
Operation Details - 34 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Fuzzy Operation (Outdoor unit H/P Model) • When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off, the operation mode is selected.
Operation Details - 35 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only • At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temp at that time.
Operation Details - 36 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Off-Timer <=> On-Timer Operation • When the set time is reached after the on/off time is input by the remote controller, the on/off-timer operation is carried out according to the set time.
Operation Details - 37 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - State of Operation ON/OFF - Operation Mode/Setting Tem.
Operation Details - 38 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Buzzer Sounding Operation • When the appliance-operation key is input by the remote controller, the short “ beep-beep- ” sounds.
Dimensions - 39 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
Dimensions - 40 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: S3 AR T COOL Mirror ARNU18GS3*2 ARNU24GS3*2 W Model ARNU18GS3*2 ARNU24GS3*2 HD 1170 315 173 Note 1.
- 41 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ....................................................................................42 2. Operation Details ....
Functions - 42 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions • Room temperature sensor. (THERMISTOR) • Maintains the room temperature in accordance with the Setting Temp.
Operation Details - 43 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details DISPLA Y 1) High quality LCD remote.
Operation Details - 44 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Health y Dehumidification Mode • When the dehumidi.
Operation Details - 45 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Fuzzy Operation (Outdoor unit H/P Model) • When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off, the operation mode is selected.
Operation Details - 46 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only • At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temp at that time.
Operation Details - 47 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Off-Timer <=> On-Timer Operation • When the set time is reached after the on/off time is input by the remote controller, the on/off-timer operation is carried out according to the set time.
Operation Details - 48 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - State of Operation ON/OFF - Operation Mode/Setting Tem.
Operation Details - 49 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Buzzer Sounding Operation • When the appliance-operation key is input by the remote controller, the short “ beep-beep- ” sounds.
- 50 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 3. Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
- 51 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions ......................................................................................52 2. Operation Details ...
- 52 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions Indoor Unit Operation ON/OFF by Remote controller Sensing the .
- 53 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details ■ Soft-Dry Operation • The indoor fan speed is au.
- 54 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation Details ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 55 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Hot-Star t Contr ol • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 30 ° C. • The operation diagram is as following.
- 56 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
- 57 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions ......................................................................................58 2. Operation Details ...
- 58 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions Indoor Unit Operation ON/OFF by Remote controller Sensing the .
- 59 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details ■ Soft-Dry Operation • The indoor fan speed is au.
- 60 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation Details ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 61 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Hot-Star t Contr ol • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 30 ° C. • The operation diagram is as following.
- 62 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
- 63 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions ......................................................................................64 2. Operation Details ...
Funtion - 64 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions Indoor Unit Operation ON/OFF by Remote controller Sens.
Operation Details - 65 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Intake Air Temperature SET TEMPERATURE +0.
Operation Details - 66 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Operation Details - 67 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Hot-Star t Contr ol • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 22 ° C.
Dimensions - 68 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
Dimensions - 69 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: BG Ceiling Concealed Duct (High Static) ARNU28GBGA2 ARNU36GBGA2 ARNU42GBGA2 Note 1.
Dimensions - 70 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: BR Ceiling Concealed Duct (High Static) ARNU48GBRA2 Note 1.
Dimensions - 71 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: B8 Ceiling Concealed Duct (High Static) URNU76GB8A2 URNU96GB8A2 Note 1.
- 72 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Functions ....................................................................................73 2. Operation Details ....
- 73 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Functions 1. Functions • Room temperature sensor. (THERMISTOR) • Maintains the room temperature in accordance with the Setting temperature • Indoor fan is delayed for 5 sec at the starting.
Operation Details - 74 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details DISPLA Y (1) High quality LCD remot.
Operation Details - 75 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Healthy Dehumidification Mode • When the dehumidif.
Operation Details - 76 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 26 ° C ≤ Intake Air Temp => 25 ° C 24 ° C ≤ Intake Air Temp<26 ° C => Intake Air Temp+1 ° C 22 ° C ≤ Intake Air Temp<24 ° C => Intake Air Temp+0.
Operation Details - 77 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only • At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temp at that time.
Operation Details - 78 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Off-Timer <=> On-Timer Operation • When the set time is reached after the on/off time is input by the remote controller, the on/off-timer operation is carried out according to the set time.
Operation Details - 79 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - Operation Mode/Setting Temp/Selected Airflow Speed - Sleep Timer Mode/Remaining Time of Sleep Timer (unit of hour) ■ Forced Operation • Operation procedures when the remote control can't be used.
Operation Details - 80 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Air Cleaner Operation • When an air cleaner functi.
Dimensions - 81 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
Dimensions - 82 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: S5 W all Mounted ARNU18GS5*2 ARNU24GS5*2 W Model ARNU18GS5*2 ARNU24GS5*2 HD 1090 300 178 Note 1.
- 83 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Funtions ......................................................................................84 2. Operation Details ...
- 84 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Function Indoor Unit Operation ON/OFF by Remote controller Sensing the .
- 85 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details Operation Details ■ Soft-Dry Operation • The indo.
- 86 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation Details ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
- 87 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation Details ■ Hot-Star t Contr ol • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 30 ° C.
- 88 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Dimensions Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: VE Ceiling & Floor ARNU09GVEA2 ARNU12GVEA2 Note 1.
- 89 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: VJ Ceiling Suspended ARNU18GVJA2 ARNU24GVJA2 Note 1.
- 90 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Function ......................................................................................91 2. Operation Details ...
- 91 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Function Indoor Unit Operation ON/OFF by Remote controller Sensing the .
Operation Details - 92 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. Operation Details ■ Soft-Dry Operation • The indo.
Operation Details - 93 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Operation Details - 94 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Hot-Star t Contr ol • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 30 ° C.
- 95 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 3. Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .
- 96 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 76, Seongsan-dong, Changwon City , Gyeongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: CF Floor Standing ARNU18GCF A2 ARNU24GCF A2 ARNU18GCFU2 ARNU24GCFU2 Note 1.
- 97 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Pa r t 3 T r ouble shooting guide.
- 98 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Self-diagnosis function .
- 99 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Self-diagnosis function Self-diagnosis function Self-Diagnosis Function Error Indicator • This function indicates types of failure in self-diagnosis and occurrence of failure for air condition.
Self-diagnosis function - 100 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 01 Indoor unit air sensor error 02 Indoor unit pipe inlet sensor error 06 Indoor unit pipe outlet sensor error Error No.
Self-diagnosis function - 101 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only * If there is no remote controller to replace : U.
Self-diagnosis function - 102 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Drain pump/float switch fault 04 Drain pump error 2. Improper drain pipe location, clog- ging of drain pipe 3.
Self-diagnosis function - 103 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only *** Indoor PCB drain pump connector (Check input .
Self-diagnosis function - 104 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Auto addressing is not done 2. transmission cable is not connected 3. Short circuit of transmission cable 4.
Self-diagnosis function - 105 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 06 Refer to CH02 Error No. Error Type Error Point Main Reasons Indoor unit outlet pipe temperature sensor open or short Indoor unit outlet pipe temperature sensor error 07 1.
Self-diagnosis function - 106 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 09 1. Error developed in transmission between the micro- processor and the EEPROM on the sur- face of the PCB.
Self-diagnosis function - 107 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 10 Indoor unit BLDC fan motor failure Error No. Error Type Error Point Main Reasons Indoor BLDC fan motor feedback signal is absent (for 50 sec.
Self-diagnosis function - 108 - Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 11 Indoor unit transmission error Error No. Error Type Error Point Main Reasons Indoor unit doesn ’ t get sig- nal from ODU for 3 minutes continuously 1.
P/NO : MFL50459501 APRIL, 2008.
An important point after buying a device Haier R410A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Haier R410A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Haier R410A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Haier R410A you will learn all the available features of the product, as well as information on its operation. The information that you get Haier R410A will certainly help you make a decision on the purchase.
If you already are a holder of Haier R410A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Haier R410A.
However, one of the most important roles played by the user manual is to help in solving problems with Haier R410A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Haier R410A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center