AS-09UR4SVNVG1（UP1） AS-12UR4SVNVG1（UP1）
Contents
1. yes A no Is the system in good condition Does the power indicator LED of outdoor control board PCB light up Replace the vessel outdoor IPM board and start up again Is the 3 15A fuse FO1 of outdoor PCB blown yes Replace fuse Is unsafety voltage part of outdoor yes control board short circuit such as fan motor 4 way valve winding Is the 3 15A fuse F02 of outdoor PCB blown yes Outdoor control board trouble and replace it Is the 15A fuse F03 of outdoor PCB gt trouble check the connection blown a Is there power input between 1 and 2 Connection wire trouble on terminal block of outdoor unit no Is there power output between 1 and 2 on terminal block of indoor unit Connection wire trouble yes and check Is there power output AC220V of indoor unit between N out and L out Connection wire trouble yes and check Indoor control board and replace it 31 Display board fault replace it no Is the system in good condition yes Check operation Outdoor IPM e board trouble Normal protection LE and replace fuse The control system of outdoor unit has short circuit wire outdoor control board IPM rectifier and electrolyse capacitor Replace the trouble unit 7 CH2. ELECTRIC PERFORMANCE Ho Stepper Motor model DG13B1 01 Voltage DC 12V Number of phase 4 Drive mode 1 2 phase excitation unipolar drive Resistance per phase 200 Q 7 Relative humidity RH 45 85 Temperature range C 10 C 40 C 3 INSTALLATION 1 How to choose an air conditioner a Choice for reference 150 170W m for average rooms b Choice for reference 160 200W m for small size offices c Choice for reference 220 350W m for restaurants d Choice for reference 200 300W m for entertaining venues e Choice for reference 220 280W m for the top floor Note 1W 3 412btu 2 Indoor Unit For indoor unit installation the distance between its top and the ceiling shall not be less than 10 cm 20 cm and the distance from the ground should be between 2m to 2 6m Also the wallboard must be smooth and straight with its supporting force of not less than 60 kg The location for installing the indoor unit shall be far away from heat source the space between it and the door or window should exceed 0 6 3 Outdoor Unit The air conditioner outdoor unit should not occupy public sidewalks the distance between the mounting bracket installed along the road on condition that the mounting bracket does not affect the public access it can be installed horizontally and the ground must exceed 2 bm Also we shall remember that a the air flow must run freely b
3. we should protect famous ancient buildings during installation c the installation does not affect the traffic The distance between air outlet of outdoor unit and the opposite object should be more than 1 meter otherwise the machine would stop running because of overload by heat yield failure If the outdoor unit was opposite the resident 5 door or window you should install the machine as far as possible away from the adjacent doors windows and plants and the distance shall not be less than the following values for the rated cooling capacity not more than 4 5KW the distance should be 3m for the rated cooling capacity more than 4 5KW the distance should be 4m It should remember to avoid installing at places where the natural environment is harsh such as heavy fumes and wind direct sunlight or high temperature and heat together with the place where children easily reach 4 The Unit When installing the air conditioner the outdoor unit should be below the indoor unit so as to facilitate circle of refrigerant and refrigeration oil 1 The height difference between wall mounted indoor unit and the outdoor unit is generally not more than 7 meters 2 The connection pipe can t exceed 5 meters and the longest is 15 meters When the length exceeds 5 meters 20g fluoride is required to be added for each exceeding lm 3 INSTALLATION 5 Outdoor unit feet distance y 443 4 ELECTRICAL
4. 5 3 10 Air Blowing mode The outdoor unit does not work while the indoor fan runs with the fan speed selectable at the auto low medium and high speeds When being auto the fan speed is determined in the cooling mode with the temperature setting of 24 in default The high medium and low fan speeds are same with that in the cooling mode 5 8 11 Compressor operating state indication When the compressor is in operation The 3 LED indicator lights on the control panel of the outdoor unit indicates the causes of the restriction on the compressor s current operating frequency Symbols for indicator light X ON O flashing OFF LED1 LED2 LED3 The cause of the restriction on the compressor s current operating frequency 1 Normal frequency ascent and descent with no restriction on the frequency 2 x x Frequency descent or restriction on frequency ascent caused by over current 3 x Frequency descent or restriction on frequency ascent caused by anti freeze in cooling or overload control in heating 4 x Frequency descent or restriction on frequency ascent caused by too high compressor discharge temperature 5 x Restriction maximum operation operating frequency caused by too low voltage on the supply circuit 6 Operating at a fixed frequency when in capacity measurement or forced operation at a fixed frequency 8 Communication f
5. DATA 4 1 Electrical wiring diagrams 4 1 1 INDOOR OPTIONAL MOTOR EVAPORATOR 1000100000 CN5 FLAP CN1 FAN CONTROL BOARD COIL CN6 INDOOR Ea DISPLAY X3 EXSux me reuna EC CX OG 25266 ewe Geis KO TO OUTDOOR eode oee L INDOOR TEMP SENSOR AAA COIL TEMP SENSOR DISPLAY BOARD OPTIONAL 1428573 4 ELECTRICAL DATA 4 1 2 OUTDOOR FAN MOTOR OUTDOOR TEMP OUT FAN COIL TEMP DISCHARGE TEMP AX WARNING There are electrolytic capacitor with high voltage energy on the PCB the air conditioner should not be repaired until the capacitor has finished discharge Multimeter can be used to test the voltage between and when the voltage is zero the capacitor has finished discharge TO INDOOR UNIT BLK BRN BLU VIG TERMINAL PANEL CN201 CN202 ACN CONTROL BOARD INDUCTOR YIG 1416821 8 5 CONTROL MODEL 5 1 Major general technical parameters 5 1 1 Conditionings for operation Ambient temperatures 15 45 C relative humidity 45 85 5 1 2 Remote receiver distance 8 m 5 1 3 Remote receiver angle Less than 80 degrees 5 1 4 Temperature control accuracy 1 C 5 1 5 Time error Less than 1 5 1 6 The power supply for the air conditioner is a c 220V 50Hz with its fluctuation in the range of 198 264V 5 2 Functions of the controller 5 2 1 Display pan
6. speed is set based on the difference 21 5 CONTROL MODEL in room temperatures Troom T set Indoor fan speed Toom C Low 2 C lt Troom Tset lt 4 C Medium Troom Tset24 C High 5 3 7 4 Prevention against condensation and insufficient heat exchange at the low indoor fan speed When the indoor fan speed is set at the low fan speed the compressor s power is restricted as in the low temperature cooling 5 3 7 5 4 way valve State It is interrupted in cooling Switchover When initially powered on for cooling the 4 way valve is interrupted immediately When the heating is changed to the cooling it needs an interval of 50 seconds for the 4 way valve to change over from being activated to being interrupted 5 3 8 Heating run mode 5 3 8 1 Temperature compensation Principle for compensation The compensation is available only if the proper sensor is used and it is not available when it is subject to the sensor on the remote controller or line controller 5 3 8 2 Indoor fan The fan speed is set at the high medium or low fan speed it operates at a preset speed in the cold air prevention it is forced to run at the ultra low flowrate or stop When the fan speed is set in the auto run the fan speed setting is made according to the room temperature differences except for the cold air prevention Tset T room Indoor Fan Speed Teelen 2 Low 2 lt Tset Troom lt 4 C Medium Ts
7. 4 4 The sleep function is valid for 8 hours The air conditioner will turns off and cancel the sleep function after the sleep function works for 8 hours 5 3 5 High efficient run function This function is invalid In the heating except for the single cooling unit cooling or dehumidifying mode it may be set for high efficient run with the indoor fan speed changed to the high efficient fan speed and the compressor operating at the highest frequency as available If the display screen can display the frequency the frequency displayed on the screen is up to the maximum It will restore to the previous run state after 15 minutes operation automatically 5 3 6 Automatic run SMART mode If there is no man machine communication function after the unit is started the indoor fan operates at the ultra low flowrate for 20 seconds before selecting a run mode the room temperatures are detected during this period for the selection of a run mode In the first operation a When Troom Tse gt 3 C it starts in the cooling mode b When 3 CSTioom Tset 3 C it starts in the ventilation run mode c When Trom Tset lt 3 C it starts in the heating mode After the first run in the cooling or heating mode the mode will be changed as the following a When Toom Tse 3C it will be changed to the cooling mode b When Troom Tse lt 3 C it will be changed to the heating mode c When these conditions are not met it will remain i
8. ECKING COMPONENTS 7 1 Check refrigerant system TEST SYSTEM FLOW Conditions 1 Compressor is running The air condition should be installed in good ventilation Tool Pressure Gauge Technique Dsee 0 test SEE Tube defrost FEEL The difference tube temperature TEST Test pressure cooling run heating run Outdoor unit Outdoor unit Test system flow 32 7 CHECKING COMPONENTS Cooling mode NO Test system pressure Does the low pressure normal at service part i The pressure on the low side The system wants refrigerant The service people must be ration refrigerant about 100g the cooling mode fixed frequency Is the low pressure rise NO The refrigerant system blocked Please check the Capillary Tube or The pressure on the high side Y Recharge refrigerant after air purging with the vacuum pump Does the low pressure nomal over again If the pressure is close to static pressure NO yes yes Y Air remaining at the refrigerant system ompressor exhaust very way valve collude or ebb Recharge refrigerant electronic expansion valve Is it blocked 1 Unsolder the capillary tube ASS Y or electronic expansion valve The capillary tube1 is blown yes Check check
9. Outdoor IPM board fault replace it supply normal 198 253V Is the surface of protection compressor very hot Is the resistance of compressor discharge sensor correct Outdoor control board faulty replace it 29 7 TROUBLE SHOOTING Error code 39 Indoor fan motor trouble Set the air conditioner operate in fan mode Does fan motor stop with the i ing Is indoor fan motor running remote controller Check the connector of indoor motor no Does the socket 1 1 3 of indoor control board Indoor control board faulty and replace it have power input yes Is resistance of main winding O short circuit or open circuit no Replace the indoor fan motor yes Y L Insert screwdriver into to rotate indoor fan motor slowly for 1 Does voltage repeat DC OV and revolution or over and measure DC 5V voltage CN2 1 3 30 Error code 01 Indoor trouble Sensor 7 TROUBLE SHOOTING Error code 36 Communication trouble i Connect the indoor and outdoor unit again according to the wiring diagram Are all the lead wires connected between indoor and outdoor unit yes 6 there power output betwee indoor T B 1 and 2 AC220V And S of indoor terminal block Indoor contre board Ho Indoor control board in trouble fault replace it
10. Unit 9 9 Gross Weight Kg Outdoor Unit 28 30 Loading Capacity 20 40 40 HC 148 298 350 148 298 350 Test Standard EN 14511 EN 14511 Approvals CE CE NOTE Test conditions Cooling Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Heating Indoor DB20 C WB15 C 2 2 Major component specifications 2 2 1 INDOOR FAN MOTOR Outdoor DB7 C WB 6 C ELECTRIC PERFORMANCE VARA ETER Motor model K1B310114 Rated power source 208 240V 50 7 60 7 Fan capacitor 1 5 u F 450V Poles 4 Rated load output W 18W Ambient temperature C 5C 43 C 2 SPECIFICATIONS 2 2 2 OUTDOOR FAN MOTOR ELECTRIC PERFORMANCE PARAMETER Motor model DG13Z1 39 Rated power source 208 240V 50Hz Fan capacitor 1 5 450 Poles Rated load output W 25W Ambient temperature C 5 C 43 2 2 3 COMPRESSOR ELECTRIC PERFORMANCE PARAMETER Compressor model 39A23VPM amp 5JKE Compressor type Rotary Motor type Direct current brushless motor Motor Starting type Direct current brushless inverter starting Winding resistance at 25 C U V Cor V W 2 5502 7 W U 2 60 2 7 Number of cylinder 1 Oil type Zegles RB68EP or equivalent Oil charge cc 37010 Input power W 910 596 Current A 4 3 Ambient temperature C 5 C 443 C 2 3 Other component specifications 2 3 1 LOUVER MOTOR
11. el Control functions of the remote controller See operating and installation manual Il Display of the indoor unit Information on the screen Displaying Scheme Temperature display Display set temperature or indoor temperature and display fault code in trouble indicating An error code is displayed according to the signal from the indoor CPU The error code will flash for 5 seconds while displayed Running indicator It is on during operation It flashes in 10s after the sleep modehas been setted TIMER indicator When the timer mode works the indicator will be lighted Sleep indicator When the sleep mode works the indicator will be lighted Compressor indicator It lights up when compressor is running Remote control receiver This section receives signals from the remote controller 5 3 Control function 5 3 1 Emergency switch 5 3 1 1 Press the emergency switch once to turn on the machine and press it again to turn off the machine in the automatic mode the indoor control temperature is set at 24 C with the indoor fan speed setting is automatic and the flaps sweep 5 3 1 2 When the machine is turned on in the OFF condition press and hold the emergency switch for 5 seconds the buzzer rings for 3 times and the controller starts in the trial operation The trial operation is the forced cooling with the indoor fan speed being set at high speeds the flaps sweeping and the air conditioner s operation is irrelevant with room
12. emove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 3 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor ultimeter Compressor motor capaci tor Fan motor capaci tor Fig 3 37
13. erature sensor in trouble Current overload control Communication between the indoor and outdoor in trouble 19 Maximum current control Indoor fan motor operation abnormal 10 Communication trouble between Grid protection alarm cabinet type outdoor unit and driver unit Outdoor EEPROM in trouble Detecting failures by zero crossing 13 Compressor exhaust temperature too 14 Outdoor ambient temperature sensor in trouble 15 Compressor housing temperature control 1222 y 27 6 TROUBLE SHOOTING 7 2 Service flow chart Switch on the power supply Does DLED screen Yes display normally No the Is fuse FO1 3 15A 250V blown Yes No Are the wires poorly Check all wires are connected connected correctly No and Check the first secondary voltage The first voltage 220V Replace Yes the The secondary voltage C15 12V CN4 1 2terminal 5V control board No After the Yes replacing Display board display board Is there trouble still trouble No Indoor control board is faulty Replace it 28 remote signal Is the condition After the board Is board circuit Replace Replace there trouble Does it receive the controller controller in good indoor board Is indo
14. et T room24 C High 5 3 8 3 Cold air prevention In the heating run to prevent the indoor fan from blowing cold air the indoor fan speed is different from the set speed after turning on air conditioner 5 3 8 4 Residual heat blowing off When the compressor is turned off in the heating run the indoor fan does not stop at once but until the indoor evaporator temperature is below 23 C but for 30 seconds at the latest 22 5 CONTROL MODEL 5 3 8 5 Outdoor fan The outdoor fan speeds are divided into three levels which can be changed over according to outdoor ambient temperatures 5 3 8 6 4 way valve State It is electrified in heating Switchover When initially powered on for heating the 4 way valve is activated immediately In the change from cooling to heating it needs an interval of 50 seconds for the 4 way valve to change over from being interrupted to being activated 5 3 9 Dehumidifying mode The dehumidifying mode is illustrated as follows Indoor Ambient Temperature Tset Time Dehumidifying area Operation at the frequency in the range 30 80 Hz according to At Tindoor ambient set f Hz 0 30 0 5 30 1 40 15 50 gt 2 60 Efficient 80 23 5 CONTROL MODEL Dehumidifying area Il The compressor stops for 5 minutes and operators for 5 minutes at the lowest frequency Dehumidifying area The compressor stops
15. gerant charge volume g 580 790 High dB A 39 39 Indoor Unit Noise Level Low dB A 34 34 Outdoor Unit Noise Level dB A 52 52 Power Supply Voltage Frequency Phase V 220 240V 50Hz 1P 220 240V 50Hz 1P Cooling A 3 8 4 5 Rated Current Heating A 3 7 4 1 System Compressor type Rotary Rotary Compressor Model No 39A23VPM amp 5JKE 39A23VPM amp 5JKE Compressor MFG RECHI RECHI Expansion Device Capillary Capillary Evaporator Copper tube and Aluminum Fin Copper tube and Aluminum Fin Condenser Copper tube and Aluminum Fin Copper tube and Aluminum Fin Connecting Pipe Diameter Liquid Pipe inch 1 4 1 4 Gas Pipe inch 3 8 3 8 Features Display on Front Panel LED LED LCD Wireless Remote Controller Yes Yes Removable and washable Panel Yes Yes Washable PP Filter Yes Yes 24 Hours Timer Yes Yes 3 Speed and Auto Indoor Fan Control Yes Yes Vertical Auto Swing Louver Yes Yes 2 SPECIFICATIONS Manual Adjustable Horizontal Swing Louver Yes Yes Sleep Operation Yes Yes Smart Function Yes Yes Dimmer Yes Yes Super Function Yes Yes Compressor Indicator Yes Yes Auto Restart Yes Yes Other Net Dimensions Indoor Unit 750x250x190 750x250x190 WxHxD mm Outdoor Unit 715x482x240 715x482x240 Indoor Unit 8 8 Net Weight Kg Outdoor Unit 26 28 Packing Dimensions WxHxD Indoor Unit 800x325x245 800x325x245 mm Outdoor Unit 830x530x315 830x530x315 Indoor
16. liar trouble 1 Compressor motor lock 2 Discharge pressure value approaches static pressure value 3 Compressor motor winding abnormality Notes 1 Don t put a compressor on its side or turn over 2 Please assembly the compressor in your air conditioner rapidly after removing the plugs Don t place the comp In air for a long time 3 Avoiding compressor running in reverse caused by connecting electrical wire incorrectly 4 Warning In case AC voltage is impressed to compressor the compressor performance will be lowered because of its rotor magnetic force decreasing 4 INDUCTANCE Familiar error 1 Sound abnormality 2 Insulation resistance disqualification 5 FILTER 35 7 CHECKING COMPONENTS LINE Q Test in resistance TOOL Multimeter Test the resistance of LOAD port The filter is fault if the resistance of winding O short circuit oree open circuit 6 STEPPER MOTOR 2 Test in resistance TOOL Multimeter Test the resistance of winding The stepper motor is fault if the resistance of winding O short circuit oree Copen circuit 7 2 3 Check others 1 FUSE Checking continuity of fuse on PCB ASS Y 1 Remove the PCB ASS Y from the electrical component box Then pull out the fuse from the ASS Y Fig 1 Fuse Ass Fig 1 2 Check for continuity using a multimeter as shown in Fig 2 36 7 CHECKING COMPONENTS Fuse 2 CAPACITOR R
17. n the previous run mode When the temperature setting is changed re judgment will be made for the run mode 20 5 CONTROL MODEL according to the descriptions mentioned above when the compressor is halted for 10 minutes the re judgment will be made for the run mode 5 3 6 1 Switch between the cooling and heating mode Tambient 4 Cooling Heating mode 4 Cooling 5 3 6 2 Cooling heating turnover operation Cooling heating the compressor stops 50 s later the 4 way valve is activated and 3 minutes more the compressor turns on Heating cooling the compressor stops 50 s later the 4 way valve is interrupted and 3 minutes more the compressor turns on 5 3 6 3 There is temperature compensation during the auto run which is same as cooling and heating 5 8 7 Cooling run mode 5 3 7 1 Temperature compensation Principle for compensation The compensation is available only if the proper sensor is used and it is not available when it is subject to the sensor on the remote controller 5 3 7 2 Outdoor Fan The outdoor fan s speeds are divided into two levels which can be changed over according to outdoor ambient temperatures When operating at a fixed frequency the outdoor fan is forced to operate at the high speed 5 3 7 3 Indoor fan When the fan speed is set at the high medium and low fan speeds the fan runs at a preset speed When the fan speed setting is automatic the fan
18. on When the set time is up the air conditioner will turn on and operates in the preset conditions after receiving a signal from the remote controller If the air conditioner has not received a signal from the remote controller when the set time is up it will automatically start and operate in the preset conditions 5 3 3 2 Timer off When set to stop in a set time by the remote controller the air conditioner will start in the timer off condition When the set time is up the air conditioner will turn off after receiving a signal from the remote controller If the air conditioner has not received a signal from the remote controller when the set time is up it will turn off automatically 5 3 3 3 Neither the turning on nor turning off operation will cancel the timer function Some remote controller has a simple one hour timer off function and excludes this operation 5 8 4 Sleep 5 3 4 1 In the heating cooling or dehumidifying mode press the Sleep button on the remote 19 5 CONTROL MODEL controller to start or cancel the sleep function in turn and at the same time the sleep icon on the display screen will be on or off accordingly 5 3 4 2 According to the different needs there are four different sleep modes to choose During the time of sleep mode the set temperature will change automatically 5 3 4 3 In default the setting is to cancel the sleep function Turning off the unit will also cancel the sleep function 5 3
19. or control the remote replacing display the still short indoor Startup self test function Check the result Replace the battery press ACL button Retry remote operation Display board problem No Check operation Check find short circuit or open circuit among other components such as transformer or fan motor 6 TROUBLE SHOOTING Error code 33 Take out from Indoor temperature CN6 Measure the sensor resistance of thermistor Does the resistance Yes of thermistor have Replace the the characteristics indoor pcb board Error code 34 on part 6 3 Take out from CN3 Meaure the Indoor Coil sensor trouble resistance of thermistor Replace the Does the unit exit hot thermistor protector Error code 14 Measure resistance Outdoor temperature of the sensor of Does the resistance sensor trouble CN15 Yellow y es of thermistor have the characteristic on part 6 3 SENSOR Error code 1 Measure resistance PARAMETER Replace the outdoor board Outdoor coil sensor of the sensor of trouble CN14 Black Replace the thermistor Error code 2 13 Error code 6 Compressor over heat Voltage of power supply is abnormal protection Is the voltage of power of AC Yes Normal Normal protecton No Replace it
20. requency drops 24 5 CONTROL MODEL 5 3 12 Special notes 5 3 12 1 The outdoor unit of this model is electrified by the indoor unit control After the system starts to operate the indoor unit supplies the outdoor unit except for the ventilation mode If the EEPROM data is read correctly after turning on the power the indoor unit s beeper rings one time or if itis not the case the beeper will ring two times and the system cannot be started Normally when the indoor unit receives a control signal from the remote controller and emergency button the system will be started and the beeper will ring two times and in other cases the beeper will ring one time 5 3 12 2 This model can achieve the power interruption restoration function by the selection of the EEPROM data The power interruption restoration is applied only for the basic functions turning ON and OFF setting temperatures modes fan speeds and flap s position and not for other special functions such as sleep timing and power saving run 25 6 TROUBLE SHOOTING 6 1 Trouble alarm Trouble List 6 1 1 Indication on the outdoor unit When the compressor is interrupted the outdoor LEDs are used to indicate the troubles listed below Symbols for indicator lights ON O flashing x OFF LED1 LED2 LED3 Troubles 1 x x x Normal 2 x x Unused 3 x x Outdoor heat exchanger temperature
21. riisense SPLIT TYPE CONDITIONER AS 09URASVNVGI AS I2URASVNVGI UPI Hisense Corporation of contents 1 OPERATION RANGE 2 SPECIFICATION 3 INSTALLATION 4 ELECTRICAL DATA 5 CONTROL MODE 6 TROUBLE SHOOTING 7 CHECKING COMPONENTS NOTE The figure size and parameter of the product may not be identical with the service manual please take the actual product as the standard 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maxi 32 C D B 23 C W B COOLING ee 43 C D B 26 C W B Minimum 21 C D B 15 C W B 21 D B 15C W B Maxi 27 C D B 18 C W B 24 C D B 18 C W B HEATING 18 18 Minimum 20 C D B x15 C W B 7 C D B 8 C W B 2 SPECIFICATIONS 2 1 Unit specifications Model No AS 09UR4SVNVG1 UP1 AS 12UR4SVNVG1 UP1 Type T1 H P INVERTER T1 H P INVERTER Ratings Cooling Capacity W 2600 1200 3000 3200 1200 3500 Heating Capacity W 2900 1200 3500 3400 1200 4000 Rated Input Cooling w 810 300 1450 997 300 1550 Rated Input Heating W 803 300 1500 942 300 1600 Moisture Removal L H r 0 9 1 5 Air Circulation m h 500 500 EER for Cooling W W 3 21 3 21 COP for Heating W W 3 61 3 61 Energy Class Cooling A A Energy Class Heatling A A Refrigerant R410A R410A Refri
22. sensor be protected 4 x x Compressor temperature sensor short circuited open circuited or the corresponding test circuit in trouble 5 x Outdoor heat exchanger temperature sensor short circuited open circuited or the corresponding test circuit in trouble 6 x Outdoor atmosphere temperature sensor short circuited open circuited or the corresponding test circuit in trouble 9 x x O Signal communication abnormal indoor outdoor 10 x O x Power module IPM protection 11 Maximum current control 12 Current overload control 13 x Compressor discharge temperature too high 14 Over and under voltage control 18 x Compressor housing temperature too high 19 Outdoor memory in trouble 20 x Indoor heat exchanger temperature sensor be protected 22 DC compressor fails to start 23 DC compressor out of step 6 1 2 Indication by the indoor unit Press the high power for 4 times in a row and the trouble codes listed below will be displayed LN No trouble 16 Anti freeze or overload control 1 Outdoor coil temperature sensor in 18 DC compressor fails to start trouble Compressor temperature sensor in 19 DC compressor out of step trouble Voltage transformer in trouble Current transformer in trouble IPM module protection Over under voltage control 33 Room temperature sensor in trouble 26 6 TROUBLE SHOOTING 7 Communication trouble Indoor coil temp
23. te indoor fan motor slowly for 1 revolution or over and measure voltage BLACK and GND on motor The voltage repeat OV DC and 5V DC Notes 1 Please don t hold motor by lead wires 2 Please don t plug IN OUT the motor connector while power ON 3 Please don t drop Hurl or dump motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later This type of mishandling void our warranty 2 OUTDOOR FAN MOTOR MOTOR EXAMINE AND REPAIR BLUE AUX WINDING C MAIN WINDING BLACK RED 34 7 CHECKING COMPONENTS Test in resistance TOOL Multimeter Test the resistance of the main winding The outdoor fan motor is fault if the resistance of main winding O short circuit joree open circuit Notes 1 Please don t hold motor by lead wires 2 Please don t plug IN OUT the motor connector while power ON 3 Please don t drop Hurl or dump motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later This type of mishandling void our warranty 3 COMPRESSOR COMPRESSOR EXAMINE AND REPAIR 2 re 5999 Thermo switct o gt E AO Ws CH CNW M Power sc nverter ox p T A Ri ya Test in resistance TOOL Multimeter Test the resistance of the winding The compressor is fault if the resistance of winding O short circuit oree open circuit Fami
24. temperatures 18 5 CONTROL MODEL 5 3 1 3 If a remote signal has been received during the emergency run the machine will operate upon the command of such a remote signal 5 3 2 Operator machine communication 5 3 2 1 The air conditioner has a thermal sensor to detect room temperatures Some remote controller is equipped with a thermal sensor Such remote controller has the function of man machine communication For details refer to the section for the remote controller In addition there is a thermal sensor at the indoor air inlet In the case where the remote controller is equipped with a thermal sensor the default setting for room temperatures is subject to the detection by the remote controller The remote controller detects the room temperature once every 20 seconds and automatically transmits a signal at an interval of 3 minutes or when a change in the room temperature is detected If the indoor control unit has not received a remote signal for more than 10 minutes the control function will be automatically switched over to the thermal sensor on the indoor unit 5 3 2 2 Neither the turning on nor turning off operation will cancel the operator machine communication function 5 3 2 3 In default the air conditioner is set to start the operator machine communication function 5 3 3 Timer function 5 3 3 1 Timer on When set to start in a time by the remote controller the air conditioner starts in the timer on conditi
25. valve and 4 way valve by Heating mode Test system pressure Does the high pressure normal at service part The pressure on the low side The system wants refrigerant The service people must be ration refrigerant about 1009 per in cooling mode fixed frequency state Is the high pressure rise in heating mode NO If the pressure is close to static pressure yes 4 way valve collude or compressor exhaust every ebb The pressure on the high side Recharge refrigerant after air purging with the vacuum pump Does the high pressure normal over again Remove the back panel see the capillary tube1 and capillary tube2 Is it defrosting yes Y Air remaining at the refrigerant system The capillary tube blocked Unsolder the capillary tube ASS Y The capillary tube1 and capillary tube2 is blown by Recharge refrigerant Check heat exchanger and 4 valve 33 7 CHECKING COMPONENTS 7 2 Check parts unit 1 INDOOR FAN MOTOR MOTOR EXAMINE AND REPAIR Circuit diagram V BROWN Vout BLACK GND _ YELLOW Test in resistance TOOL Multimeter Test the resistance of the main winding The indoor fan motor is fault if the resistance of main winding O short circuit oree open circuit Test in voltage TOOL Multimeter Insert screwdriver into to rota
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