Haier AS09/12GS2ERA Service Manual
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Haier AS09/12GS2ERA Service Manual

Wall mounted type dc inverter em-series
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SERVICE MANUAL

Order No.

Wall mounted Type

DC Inverter
EM-Series
Model No.
AS09/12GS2ERA
1U09/12BS1ERA
AS09/12GS2ERA

indoor unit and remote controller

1U09/12BS1ERA outdoor unit
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death
©
(Qingdao Haier Air Conditioner General corp.,Ltd)
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group

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Summary of Contents for Haier AS09/12GS2ERA

  • Page 1: Service Manual

    © (Qingdao Haier Air Conditioner General corp.,Ltd) All right reserved .Unauthorized copying and distribution is a violation of law...
  • Page 2 AS09/12GS2ERA 1U09/12BS1ERA-SM of indoor unit main function and control specification of outdoor unit Removal of Air Filter Removal of Front panel Horiaontal Blade and Front Grill Drain pan Vertical Blades and Swing Motor...
  • Page 3 AS09/12GS2ERA 1U09/12BS1ERA-SM ..............................9.10 .............. 9.11 Removal o f Fan and Fan motor 9.12 9.13 Wiring Diagrams Indoor Unit ........................Outdoor Unit ....................... 11. Circuit Diagrams 12 .Description of Coding rules of Unit Model ..........109...

  • Page 4: Safety Cautions

    AS09/12GS2ERA 1U09/12BS1ERA-SM Introduction 1. Introduction 1.1 Safety Cautions Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important since they can lead to death or serious injury if they are not followed closely. The “Caution” items can also lead to serious accidents under some conditions if they are not followed.

  • Page 5: Cautions Regarding Products After Repair

    AS09/12GS2ERA 1U09/12BS1ERA-SM Introduction Warning Do not repair the electrical components with wet hands. Working on the equipment with wet hands can cause an electrical shock. Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock.
  • Page 6 AS09/12GS2ERA 1U09/12BS1ERA-SM Introduction Warning Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire.

  • Page 7: Inspection After Repair

    Introduction AS09/12GS2ERA 1U09/12BS1ERA-SM Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site, to prevent electrical shocks. Do not install the equipment in a place where there is a possibility of combustible gas leaks.
  • Page 8 AS09/12GS2ERA 1U09/12BS1ERA-SM Introduction Caution Check to see if the parts and wires are mounted and connected properly, and if the connections at the soldered or crimped terminals are secure. Improper installation and connections can cause excessive heat generation, fire or an electrical shock.
  • Page 9 AS09/12GS2ERA 1U09/12BS1ERA-SM AS09/12GS2ERA Functions Category 1U09/12BS1ERA make your room full of an abundance natural negative ions. Healthy negative ion Child lock Avoid the child's wrong operation on the remote controller The 3D airflow is able to deliver the airflow horizontally and vertically.

  • Page 10: Specifications

    AS09/12GS2ERA 1U09/12BS1ERA-SM 3 Specifications AS09GS2ERA AS12GS2ERA 3.52(1.4~4.0) 3.85(1.5~4.2) 2.64(1.3~3.2) 3.09(1.4~3.5) 12000 13100 9000 10200 2580 2270.4 3311 3027.2 770(340~1100) 770(330~1150) 1030(370~1420) 1060(320~1720) 3.42 3.74 3.43 3.90 6.35 6.35 9.52 9.52 16.0 16.0 0.15 0.15 0.15 0.15 795X192X265 795X192X265 871X304X360 871X304X360 8.8 .
  • Page 11 AS09/12GS2ERA 1U09/12BS1ERA-SM 1U12BS1ERA 1U09BS1ERA DA89X1C-20FZ DA108X1C-20FZ3 ESTER IL VG74 ESTER IL VG74 0.37 0.48 R410a R410a 1.02 0.65 31.7 31.7 1059 1119.01 1059 1119.01 1030 1030 780x245x540 780x245x540 930X340X614 930X340X614 33.5 36.5...

  • Page 12: Printed Circuit Board Connector Wiring Diagram

    AS09/12GS2ERA 1U09/12BS1ERA-SM Connector Wring Diagram 4.Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Connectors PCB(1) (Control PCB) For HUM09/12HC03/R2(DB) 1) CN26 Connector for fan motor 2) CN1 Connector for heat exchanger thermistor and Room temperature thermistor 3) CN11 Connector for UP&DOWN STEP motor...
  • Page 13 AS09/12GS2ERA 1U09/12BS1ERA-SM Connector Wring Diagram PCB(1) CN26 CN27 CN11 CN32 CN20 CON1 CON2 CON6 CN34 CON8 CON7 Domestic Air Conditioner...
  • Page 14 Connector Wring Diagram AS09/12GS2ERA 1U09/12BS1ERA-SM 4.2: outdoor unit Connectors PCB(1) (Control PCB) 1) CN1,CN2 Connector for power N and L 2) CN3 Connector for ground 3) CN22 Connector for DC POWER 15Vand 5V to the module board 4) CN9,CN8 Connector for CN2,CN1 on the module board...
  • Page 15 AS09/12GS2ERA 1U09/12BS1ERA-SM ConnectorWring Diagram PCB(1) CN26 CN24 CN23 CN22 CN17 CN18 CN19 CN20 CN16 CN13 CN10 Domestic Air Conditioner...
  • Page 16 AS09/12GS2ERA 1U09/12BS1ERA-SM Connector Wring Diagram PCB(2) CN11 CN10 Domestic Air Conditioner...

  • Page 17: Funcitions And Control

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 5.Funcitions and Control 5.1 Main functions and control specification of indoor unit 5.1.1 Automatic operation When the running mode is turned to automation after starting the system, the system will first determine the running mode according to the current room temperature and then will run according to the determined mode.
  • Page 18 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control Manus: When the system is operating, you can set the high, medium or low speed manually. ( When the sensor is on or off, the system will change the speed 2 seconds after receiving the signal.) *Airgate location control: the location for the airgate can be set according to your needs.

  • Page 19: Heating Operation Mode

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control * Dormant control function. 5.1.4 Heating operation mode. * temperature control range: 16---30 * temperature difference: * control feature: the temperature compensation is automatically added and the system will send the heating signals to the outdoor system.

  • Page 20: Mute Operation

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control the system operates at the cold air proof mode. * Automatic heating temperature compensation: when the system enters the heating mode, the temperature compensation (4) will be added. When the status is switched off, the compensation will be erased.
  • Page 21 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control off and the system will be turned off. If you have set the dormant functions, the order of your settings will be operated according to the timing settings. The settings will be completed according to the orders.
  • Page 22 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 5.1.10 Urgent on/off input Press the urgency button the buzzer will ring. The system will enter the automatic mode if you don’t press the button for more than 5 seconds. Under the system off mode, if you press the urgency key for 5 to 10 seconds, the system will start the test operation.
  • Page 23 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 5.1.13 Abnormal operation of indoor system When the outdoor system operates, if the indoor system operation differs from the outdoor system, the abnormal operation malfunction will be reported. 10s after the report, the indoor system will be closed.

  • Page 24: Fixed Frequency Operation

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control * After the system enters the separate indoor system operation mode, the indoor system will operate according to the set mode and neglect the communication signals of the outdoor system. However, it has to send signals to the outdoor system.

  • Page 25: Display Function

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 5.1.20 Display function When the system starts up or power on, the background and the LED will be fully lighted for 3 seconds. Then the LED displays the mode you have set. 5.1.20.1 Three-color background The multi-color indicator is not lighted when the system is off.
  • Page 26 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control B While heating: is the maximum operation frequency of the compressor; is the minimum operation frequency of the compressor. The frequency limitation which is affected by the environment temperature. Heating mode: Serial No. Temperature scope Frequency limitation Wh_c<-12...
  • Page 27 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control Refrigeration/dehumidification mode: Serial No. Temperature scope Frequency limitation < < < < Wh_c> 48 Max_hz5 50 HZ Remarks: the above are not only the maximum frequency limitations of the complete appliance which are affected by the environment, but also the maximum ability limitation of the system. When the...
  • Page 28 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control after 30 seconds,it begins to control the airflow speed according to the temperature conditions of the outdoor environment. The temperature of the The temperature of the outdoor Airflow speed outdoor air coil Te Ta 30 —...

  • Page 29: Protection Function

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 5.2.5 The outdoor defrosting control A.The conditions for entering into defrosting mode When starting running heating, the compressor continuously runs for over 10 minutes, after running for 45 minutes in all (defrosting is ended or when entering into refrigeration mode, clear the compressor’s cumulative run time), through detecting the defrosting sensor TCS detect the defrosting...
  • Page 30 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control Remarks: the outdoor unit 5.2.6.3 The control of preventing the overcurrent of the compressor During the starting process of the compressor, if the curren of the compressor is greater than 11A for 3 seconds, stop the compressor and alarm, after 3 minutes, start it again, if such state appears 3 times in 20 minutes, stop the compressor and alarm, and confirm the malfunction.
  • Page 31 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control course of self-detection, there’s no such limitation) Sensor detection methods: 100 times (one cycle of procedure run is one time, and about 5ms, detection method for each time: continuously sampling for 8 times, then order them and take the mean value of the middle 2 values), take the mean value.
  • Page 32 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 12 //ice_temp_4 +2 ice_temp_4 Increasing slowly 8 //ice_temp_3+2 Keeping the frequency ice_temp_3 ice_temp_2 Decreasing slowly ice_temp_1 Decreasing rapidly ice_temp_1 Stop When Tpg_indoor ice_temp_1 , the frequency of the compressor decrease s at the speed of 1HZ/1second.

  • Page 33: Value Of Thermistor

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control is, if there’s malfunction with several units, then just report the indoor unit with the highest priority level. Among the unit malfunctions, the priority level of the communication malfunction is the highest, for others, that appears first will have the priority.
  • Page 34 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 35.6202 33.3552 31.2062 -1.38 1.31 33.8936 31.7844 29.7796 -1.36 1.29 32.2608 30.2968 28.4267 -1.34 1.28 30.7162 28.8875 27.1431 -1.32 1.26 29.2545 27.5519 25.9250 -1.29 1.24 27.8708 26.2858 24.7686 -1.27 1.22 26.5605 25.0851 23.6704 -1.25 1.20 25.3193...
  • Page 35 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 5.2001 4.9430 4.6944 -1.41 1.36 5.0163 4.7630 4.5185 -1.45 1.40 4.8400 4.5905 4.3500 -1.49 1.44 4.6708 4.4252 4.1887 -1.53 1.47 4.5083 4.2666 4.0342 -1.57 1.51 4.3524 4.1145 3.8862 -1.61 1.55 4.2026 3.9686 3.7443 -1.65 1.59 4.0588...

  • Page 36: Outdoor Unit

    AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 1.2226 1.1113 1.0092 -3.48 3.19 1.1880 1.0789 0.9789 -3.53 3.24 1.1546 1.0476 0.9497 -3.58 3.28 1.1223 1.0174 0.9215 -3.64 3.33 1.0910 0.9882 0.8942 -3.69 3.37 1.0607 0.9599 0.8679 -3.74 3.42 1.0314 0.9326 0.8424 -3.80 3.46 1.0030...
  • Page 37 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 109.4410 99.1858 89.8106 -1.81 1.66 103.3598 93.8305 85.1031 -1.80 1.64 97.6556 88.7989 80.6728 -1.78 1.63 92.3028 84.0695 76.5017 -1.76 1.62 87.2775 79.6222 72.5729 -1.74 1.60 82.5577 75.4384 68.8710 -1.72 1.59 78.1230 71.5010 65.3815 -1.70 1.57 73.9543...
  • Page 38 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 11.7102 11.3267 10.9459 -0.81 0.80 11.2172 10.8634 10.5114 -0.78 0.78 10.7475 10.4216 10.0964 -0.75 0.75 10.3000 10.0000 9.7000 -0.75 0.75 9.8975 9.5974 9.2980 -0.76 0.76 9.5129 9.2132 8.9148 -0.80 0.80 9.1454 8.8465 8.5496 -0.84 0.83 8.7942...
  • Page 39 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 2.3068 2.1383 1.9803 -2.45 2.29 2.2347 2.0695 1.9147 -2.49 2.34 2.1652 2.0032 1.8516 -2.54 2.38 2.0983 1.9393 1.7908 -2.59 2.42 2.0337 1.8778 1.7324 -2.63 2.46 1.9714 1.8186 1.6761 -2.68 2.50 1.9113 1.7614 1.6219 -2.73 2.54 1.8533...
  • Page 40 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 0.6361 0.5667 0.5043 -4.80 4.31 0.6200 0.5518 0.4907 -4.86 4.36 0.6043 0.5374 0.4775 -4.92 4.41 0.5891 0.5235 0.4648 -4.98 4.45 0.5743 0.5100 0.4524 -5.04 4.50 0.5600 0.4968 0.4404 -5.10 4.55 0.5460 0.4841 0.4288 -5.16 4.60 0.5325...
  • Page 41 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 2045.9191 1784.3336 1554.7931 -2.52 2.21 1932.0242 1687.8144 1473.1460 -2.50 2.20 1825.0899 1597.0431 1396.2333 -2.48 2.19 1724.6540 1511.6468 1323.7551 -2.47 2.17 1630.2870 1431.2787 1255.4324 -2.45 2.16 1541.5904 1355.6163 1191.0048 -2.43 2.15 1458.1938 1284.3593 1130.2298 -2.41 2.14 1379.7528...
  • Page 42 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 208.7855 194.6066 181.2273 -1.65 1.55 199.6531 186.3369 173.7524 -1.63 1.54 190.9639 178.4584 166.6217 -1.60 1.52 182.6945 170.9508 159.8181 -1.58 1.50 174.8228 163.7951 153.3249 -1.56 1.48 167.3280 156.9733 147.1268 -1.53 1.46 160.1904 150.4683 141.2090 -1.51 1.44 153.3914...
  • Page 43 AS09/12GS2ERA 1U09/12BS1ERA-SM Function and control 35.1903 33.7653 32.3689 -1.22 1.19 34.0269 32.6151 31.2338 -1.26 1.23 32.9075 31.5096 30.1438 -1.30 1.27 31.8302 30.4467 29.0970 -1.33 1.30 30.7933 29.4246 28.0915 -1.37 1.34 29.7950 28.4417 27.1254 -1.41 1.37 28.8337 27.4961 26.1970 -1.45 1.41 27.9078...
  • Page 44 AS09/12GS2ERA 1U09/12BS1ERA-SM...

  • Page 45: Parts And Functions

    AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Parts and Functions Remote controller Indoor Unit Additional functions display Supplemented electrical Operation mode QUITE SLEEP HEALTH POWER heating Inlet Air Purifying Filter Remote controller (inside) 9. QUIET button 10. HEAT button 11. COOL button Inlet grille 12.

  • Page 46: Base Operation

    AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Operation Base Operation Emergency operation and test operation Emergency Operation: Use this operation only when the remote controller is defective or lost, and with function of emergency running, air conditoner Remote controller can run automatically for a while. When the emergency operation switch is pressed, the "...

  • Page 47: Sleep Operation

    AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Operation Sleep Operation 4. In FAN mode It has no SLEEP function. Press button to enter additional options, when 5.Set the wind speed change when sleeping cycle display to will flash. And then press If the wind speed is high or middle before setting for the enter to sleep function.
  • Page 48 AS09/12GS ERA 1U09/12BS1ERA-SM Introduction EUROPEAN REGULATIONS Operation CONFORMITY FOR THE MODELS Timer On/Off On-Off Operation All the products are in conformity with the following European provision: 1.After unit starts, select your desired operation mode. - Low Voltage Directive 73/23/EEC 2.Press TIMER button to change TIMER mode. Every - Low Voltage Directive 2006/95/EC time the button is pressed, display changes as follows: -Electomagnetic CompatibilitY 89/336/EEC...

  • Page 49: Indoor Unit Installaion

    AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Indoor Unit Installaion Necessary Tools for Installation Power Source ● Torque wrench ● Driver ● Before inserting power into receptacle, check the voltage (17mm,22mm,26mm) ● Nipper without fail. ● Pipe cutter ● Hacksaw ● The power supply is the same as the corresponding nameplate. ●...

  • Page 50: Indoor Unit Installation

    AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Indoor Unit Installation · [ Left Left-rear piping ] Fitting of the Mounting Plate and Positioning of the wall Hole ● In case of left side piping, cut away, with a nipper, the lid for left piping.
  • Page 51 AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Correct Incorrect When connecting the cable after installing the indoor unit 1. Insert from outside the room cable into left side of the wall Lean Damage of flare Partial Too outside Crack hole, in which the pipe has already existed. 2.

  • Page 52: Maintenance

    AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Maintenance For Smart Use of The Air Conditioner Remote Controller Indoor Body Setting of proper room Do not block the air inlet temperature or outlet Proper wipe the air conditioner by using a temperature soft and dry cloth.For serious stains, use a neutral detergent diluted with Do not usewater,wipe the controller water.Wring the water out of the...
  • Page 53 AS09/12GS ERA 1U09/12BS1ERA-SM Introduction Cautions WARNING Please call Sales/Service Shop for the Installation. Do not attempt to install the air conditioner by yourself because improper works may cause electric shock, fire, water leakage. WARNING Check proper When abnormality such as burnt-small found, Use an exclusive immediately stop the operation button and power source...

  • Page 54: Troubleshooting

    Are there too much heat sources or too many people in the room during cooling operation? Haier Group Address:No.1 Haier Road,Hi-tech Zone,Qingdao 266101 P.R.China Contacts: TEL +86-532-8893-6943;FAX +86-532-8893-1010 Website: www.haier.com Domestic air conditioner...

  • Page 55: Service Diagnosis

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7 Service Diagnosis 7.1 Caution for Diagnosis The operation lamp flashes when any of the following errors is detected. 1.When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling equipment operation.

  • Page 56: Error Codes And Description Indoor Display

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.Error Codes and Description indoor display Code indication Reference Outdoor Description Page indoor (LED1 flash times) Indoorand Outdoor Communication fault between indoor and Page .62 outdoor units Page .54 Room temperature sensor failure Indoor Malfunction u l i ge .61...
  • Page 57 Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.1Thermistor or Related Abnormality (indoor unit) E1: Room temperature sensor failure Indoor Display E2: Heat-exchange sensor failure Method of the temperatures detected by the thermistors are used to determine thermistor errors Malfunction Detection Malfunction when the thermistor input is more than 4.92V or less than 0.08V during compressor Decision operation.
  • Page 58 Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.2 Indoor fan motor malfunction Indoor Display Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine Malfunction abnormal fan motor operation Detection Malfunction when the detected rotation feedback singal don’t receiced in 2 minutes...
  • Page 59 Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM Turn off power supply and rotate fan by hand Does fan rotate Replace fan motor smoothly? Turn power ON and operate fan Turn off power supply and disconnect fan motor connector,then turn power ON Does it rotate?

  • Page 60: Ipm Protection

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.3 IPM protection outdoor display LED1 flash 2 times: Indoor Display F1 Method of IPM protection is detected by checking the compressor running condition and so on. Malfunction Detection Malfunction The system leads to IPM protection due to over current...
  • Page 61 Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM Normal resistance Several k to several M ( ) Unacceptable resistance Short (0 ) or open 7.3.4 The IPM and outdoor PCB don’t communicate or Related Abnormality outdoor display LED1 flash 4 times Indoor Display Method of...

  • Page 62: Thermistor Or Related Abnormality (Outdoor Unit)

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.5 Thermistor or Related Abnormality(outdoor unit) Frost-removing temperature sensor failure Indoor display: outdoor display: LED1 flash 10 times: Exhaust temperature sensor failure Indoor display: outdoor display: LED1 flash 13 times: Ambient temperature sensor failure Indoor display:...

  • Page 63: Overheat Protection For Exhaust Temperature

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.6 Overheat Protection For Exhaust Temperature Indoor display outdoor display LED1 flash 8 times Method of the exhaust temperature control is checked with the temperature being detected Malfunction by the exhaust pipe thermistor Detection Malfunction when the compressor discharge temperature is above 117...
  • Page 64 Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM Pull out the exhaust sensor and measure its The sensor is damaged. Replace the sensor resistance standard temperatures with a new one. according to the resistance-temperature table The sensor is damaged. Replace the sensor the results deviate with a new one.

  • Page 65: Communication Error Between The Indoor And Outdoor Units

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.8 Communication error between the indoor and outdoor units Indoor display Outdoor: display LED1 flash 15 times Method of The date received from the another unit in indoor unit-outdoor unit signal transmission is Malfunction checked whether is normal...
  • Page 66 AS09/12GS2ERA 1U09/12BS1ERA-SM Servive Diagnosis Check the status of LED1 on the indoor mainboard. If the LED1 blinks measure voltage between Jumpers 3 and 4 of IC8 on the indoor mainboard with a multimeter. Test the outdoor power supply (230VAC and +310VDC) with a multimeter.
  • Page 67 Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.10 Power Supply Over or under voltagve fault Indoor display outdoor display: LED1 flash 6 times Method of An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit. Malfunction Detection Malfunction...

  • Page 68: Loop Of The Station Detect Error

    Servive Diagnosis AS09/12GS2ERA 1U09/12BS1ERA-SM 7.3.11 Loop of the station detect error Outdoor Display LED1 flash 18 times Indoor Display LED1 flash 19 times Indoor Display Method of the position of the compressor rotor can not detected normally Malfunction Detection Malfunction when the The wiring of compressor is wrong or the connection is poor;...
  • Page 69 AS09/12GS2ERA 1U09/12BS1ERA-SM Servive Diagnosis Conditions power supply. voltage is too low or too high Supposed Faulty IPM Module Causes Faulty compressor Faulty power supply Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.

  • Page 70: Installation Manual Of Room Air Conditioner

    Installation AS09/12GS2ERA 1U09/12BS1ERA-SM 8 Installation Installation Manual of Room Air Conditioner IMPORTANT INFORMATION REGA- EUROPEAN REGULATIONS RDING THE REFRIGERANT USED CONFORMITY FOR THE MODELS Contains fluorinated greenhouse gases covered by the Kyoto Protocol All the products are in conformity with the following...
  • Page 71 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM The models adopt HFC free refrigerant R410A. For installation of the indoor units,refer to the installation manual which was provided with the units. (The diagram shows a wall-mounted indoor unit.) Attention must be paid to the rising up of drain hose...
  • Page 72 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM WARNING CAUTION Domestic air conditioner...
  • Page 73 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Domestic air conditioner...
  • Page 74 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Precautions for Handling Units for Use with R410A Caution Do not use the existing refrigerant piping Use a vacuum pump with a reverse-flow check valve. The old refrigerant and refrigerator oil in the existing piping If other types of valves are used, the vacuum pump oil will...
  • Page 75 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Before Installing (Relocating) the Unit or Performing Electric Work Caution Ground the unit. Do not spray water on the air conditioners or immerse the Do not connect the grounding on the unit to gas pipes,water air conditioners in water.
  • Page 76 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Domestic air conditioner...
  • Page 77 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Domestic air conditioner...
  • Page 78 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Domestic air conditioner...
  • Page 79 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM Air outlet Wind direction Cushion rubber 4.Installation dimension(Unit:mm) Domestic air conditioner...
  • Page 80 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM 1U07BS1ERA 1U09BS1ERA 1U12BS1ERA 1U18FS1ERA 1U24GS1ERA Connection of pipes To bend a pipe, give the roundness as large as possible not to crush the pipe , and the bending radius should be 30 to 40 mm or longer.
  • Page 81 AS09/12GS2ERA 1U09/12BS1ERA-SM Installation Domestic air conditioner...
  • Page 82 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM (e.g.1U18FS1ERA) Domestic air conditioner...
  • Page 83 Installation AS09/12GS2ERA 1U09/12BS1ERA-SM 1U07BS1ERA 1U09BS1ERA 1U12BS1ERA 1U18FS1ERA 1U24GS1ERA T 25A/250V. FOR 18K 24K FOR 07K 09K 12K Outdoor unit Outdoor unit 1U07BS1ERA Model 1U09BS1ERA 1U18FS1ERA 1U24GS1ERA To Indoor unit 1U12BS1ERA To Indoor unit Connecting wiring 4G0.75mm 4G0.75mm 4G0.75mm POWER Power cable 3G1.5mm...

  • Page 84: Outdoor Unit Troubleshooting

    When the The wiring of compressor is wrong or Suction temperature sensor failure the connection is poor Lack of refrigerant Check if there is leakage in the unit. Haier Group Address:No.1 Haier Road,Hi-tech Zone,Qingdao 266101 P.R.China Contacts: TEL +86-532-8893-6943;FAX +86-532-8893-1010 Website: www.haier.com Domestic air conditioner...

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