York YHKE09XJ6AMC-RX Service Manual Download Page 42

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8.2.6 Overload current protection diagnosis and solution(F0)

Error Code

Malfunction decision

conditions

An abnormal current rise is detected by checking the specified

current detection circuit.

Supposed causes

●

Power supply problems.

●

System blockage

●

PCB faulty

●

Wiring mistake

●

Compressor malfunction

Trouble shooting:

Check the power supply. Is it

normal?

Check the connections and
wires .Is it well connection?

Stop the unit. Check the power

supply

Yes

Correct the connections or

replace the wires.

Yes

Replace the outdoor main PCB

Yes

Check the reactor .Is it

normal?

Replace the reactor

Is there any blocking?

Yes

Clear the blockage

Check the compressor

resistance values. Is it normal?

Yes

Replace the compressor

Summary of Contents for YHKE09XJ6AMC-RX

Page 1: ... Size Indoor units Outdoor units 9k YHKE09XJ6AMC RX YHKE09YJ6AMAO X 12K YHKE12XJ6AMC RX YHKE12YJ6AMAO X 18k YHKE18XJ6AMC RX YHKE18YJ6AMAO X 24K YHKE24XJ6AMC RX YHKE24YJ6AMAO X 30k YHKE30XJ6AMC RX YHKE30YJ6AMAO X 36K YHKE36XJ6AMC RX YHKE36YJ6AMAO X ...

Page 2: ...ation 15 5 4 Installation for the first time 16 5 5 Adding the refrigerant after running the system for many years 17 5 6 Re installation while the indoor unit need to be repaired 18 5 7 Re installation while the outdoor unit need to be repaired 19 6 Operation Characteristics 21 7 Electronic function 22 7 1 Abbreviation 22 7 2 Display function 22 7 3 Main Protection 23 7 4 Operation Modes and Func...

Page 3: ...es could cause injury be especially careful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an authorized service center Do not install the product on a defective installation stand Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product fail...

Page 4: ...evels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product It can avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people...

Page 5: ...the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of th...

Page 6: ... X 30k YHKE30XJ6AMC RX YHKE30YJ6AMAO X 36K YHKE36XJ6AMC RX YHKE36YJ6AMAO X Cold catalyst filter Silver Ico Filter O Vitamin C Filter O 3M HAM Filter O Bio Filter O Golden Fin O Super Ionizer O Compressor Crankcase Heater O Self cleaning O Louver Position Memory Function Refrigerant Leakage Detect Self diag Function Hydrophilic Aluminum Fin Anti rust Cabinet Valve Protection Cover PTC Heating Belt ...

Page 7: ...mension 3 1 Indoor Unit Model W D H YHKE09XJ6AMC RX 802 189 297 YHKE12XJ6AMC RX 802 189 297 YHKE18XJ6AMC RX 1080 226 335 YHKE24XJ6AMC RX 1080 226 335 YHKE30XJ6AMC RX 1259 282 362 YHKE36XJ6AMC RX 1259 282 362 ...

Page 8: ...6 For YHKE09XJ6AMC RX YHKE12XJ6AMC RX For YHKE18XJ6AMC RX YHKE24XJ6AMC RX ...

Page 9: ...7 For YHKE30XJ6AMC RX YHKE36XJ6AMC RX ...

Page 10: ...8 3 2 Outdoor Unit More than 30cm More than 60cm More than 200cm More than 30cm More than 60cm Service space Fence or obstacles ...

Page 11: ...9 For YHKE09YJ6AMAO X 487 W1 70 W2 298 555 300 D H 12 60 93 H1 H2 D1 770 W 779 W3 322 D2 25 B1 90 B2 61 5 A2 12 A1 R 6 286 D3 ...

Page 12: ...10 For YHKE12YJ6AMAO X 800 W 514 W1 554 60 85 5 340 12 0 311 815 W3 365 333 D 70 W2 H H1 H2 D1 D2 D3 62 B1 106 B2 20 A1 R20 R6 61 6 A2 ...

Page 13: ...11 For YHKE18YJ6AMAO X ...

Page 14: ...12 For YHKE24YJ6AMAO X YHKE30YJ6AMAO X YHKE36YJ6AMAO X 946 W 810 H 1030 W1 673 A 403B 455D3 410 D 810 H 455 D3 15 57 H1 117 H2 73 12 24 ...

Page 15: ...DE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor ACCUMULATOR INDOOR OUTDOOR CHECK VALVE Heating Model only CAPILIARY TUBE ...

Page 16: ... 6500 663kgf cm 6700 683kgf cm 5 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectional area mm 3 and 6 0 75 6 and 10 1 10 and 16 1 5 16 and 25 2 5 25 and 32 4 The cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which loc...

Page 17: ...5 YHKE12XJ6AMC RX YHKE12YJ6AMAO X 1 2 Ф12 7 1 4 Ф6 35 5 10 25 15 YHKE18XJ6AMC RX YHKE18YJ6AMAO X 1 2 Ф12 7 1 4 Ф6 35 5 20 30 15 YHKE24XJ6AMC RX YHKE24YJ6AMAO X 5 8 Ф15 9 3 8 Ф9 52 5 25 50 30 YHKE30XJ6AMC RX YHKE30YJ6AMAO X 5 8 Ф15 9 3 8 Ф9 52 5 25 50 30 YHKE36XJ6AMC RX YHKE36YJ6AMAO X 5 8 Ф15 9 3 8 Ф9 52 5 30 65 30 Caution The capacity test is based on the standard length and the maximum permissiv...

Page 18: ...the charge hose of handle hi connection to the vacuum pump 4 Fully open the handle Lo of the manifold valve 5 Operate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound meter indicates 0 1Mpa If the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 minutes please...

Page 19: ...rom the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure the liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weig...

Page 20: ... push pin of handle lo to the 3 way valves gas service port 3 Air purging of the charge hose Open the handle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds and then close it quickly 4 Set the 2 way valve to the close position 5 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 6 Set the 3 way valve to the closed po...

Page 21: ...e vacuum pump 2 Refrigerant charging Procedure 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of t...

Page 22: ...20 port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage ...

Page 23: ...ditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and set...

Page 24: ...mode Displays the self diagnostic codes Dispalys for three seconds when Timer ON Fresh Swing Turbo or Silence feature is activated Dispalys for three seconds when Fresh Swing Turbo or Silence feature is cancelled Dispalys under deforsting operation Dispalys when anti cold air feature is activated under heating mode Dispalys during self clean operation if aplicable Dispalys under 8 heating operatio...

Page 25: ...orking 7 3 6 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 7s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 7 3 7 Compressor preheating functions Preheating permitting condition When T4 outdoor ambient temperature 3 C the preheating function will be activated 7 3...

Page 26: ...ith low frequency When the current is more than setting value the current protection function will be activated and the compressor will stop 7 4 2 2 Outdoor fan running rules The outdoor unit will be run at different fan speed according to T4 For different outdoor units the fan speeds are different T4 A A B C D E 7 4 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the...

Page 27: ...or fan running rules When the compressor is on the indoor fan can be set to high med low auto And the anti cold wind function has the priority The indoor fan is controlled as below Setting fan speed Actual fan speed H H H G A H H B C M M M Z D M M M E F L L L D G L L L H I T1 Td F L L L L D H H H H G M M M M Z Auto fan action in heating mode a b c d T1 e 7 4 3 4 Defrosting mode AC will enter the d...

Page 28: ...ure Forced auto mode The action of forced auto mode is the same as normal auto mode with 24 setting temperature When AC receives signals such as switch on switch off timer on timer off mode setting fan speed setting sleeping mode setting follow me setting it will quit the forced operation 7 4 7 Timer function 7 4 7 1 Timing range is 24 hours 7 4 7 2 Timer on The machine will turn on automatically ...

Page 29: ...ds it will memorize the maximum angle of the louver During operation if the power fails or the end user shuts down the unit in the turbo mode the louver will restore to the default angle 7 4 12 8 Heating optional In heating operation the preset temperature of the air conditioner can be as lower as 8 which keeps the room temperature steady at 8 and prevents household things freezing when the house ...

Page 30: ...ny signal from remote controller for 7 minutes or pressing FOLLOW ME button again the follow me function will be turned off automatically and the temperature will control the unit according to the room temperature detected from its own room temperature sensor and setting temperature ...

Page 31: ...uiry information Displaying code Meaning T1 T1 T1 temp T2 T2 T2 temp T3 T3 T3 temp T4 T4 T4 temp T2B Tb T2B temp TP TP TP temp TH TH TH temp Targeted Frequency FT Targeted Frequency Actual Frequency Fr Actual Frequency Indoor fan speed IF Indoor fan speed Outdoor fan speed OF Outdoor fan speed EXV opening angle LA EXV opening angle Compressor continuous running time CT Compressor continuous runnin...

Page 32: ...31 139 E0 E1 E9 140 141 149 F0 F1 F9 150 151 159 Indoor fan speed Outdoor fan speed 0 OFF 1 2 3 4 Low speed Medium speed High speed Turbo For some big capacity motors 14 FF Actual fan speed Display value turns to decimal value and then multiply 10 The unit is RPM For some small capacity motors display value is from 14 FF hexadecimal the corresponding fan speed range is from 200 2550RPM EXV opening...

Page 33: ... electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electrolytic capacitor on the contrary side of the outdoor PCB Note The picture above is only for reference The plug of your side may be different ...

Page 34: ...es O F0 Overload current protection 2 times O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit 3 times O F2 Condenser coil temperature sensor T3 open circuit or short circuit 4 times O F3 Compressor discharge temperature sensor T5 open circuit or short circuit 5 times O F4 Outdoor unit EEPROM parameter error 6 times O F5 Outdoor fan speed has been out of control 1 times P0 IP...

Page 35: ...PCB directly Otherwise check whether the EEPROM chip plugged in main PCB well Yes No Yes Correct the connection Replace the indoor outdoor main PCB Shut off the power supply and turn it on 2 minutes later Is it still displaying the error code EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the below phot...

Page 36: ...s later Is the error extinguished No Replace the outdoor main PCB Power on Is the error extinguished Replace the outdoor main PCB Power on Is the error extinguished Check the outdoor wiring connection Is the wiring correctly Check the outdoor wiring connection Is the wiring correctly Replace the indoor main PCB Power on Is the error extinguished Replace the indoor main PCB Power on Is the error ex...

Page 37: ...ark Use a multi meter to test the resistance of the reactor which does not connect with capacitor The normal value should be around zero ohm Otherwise the reactor must have malfunction and need to be replaced ...

Page 38: ...off the power supply and turn it on 2 minutes later Is it still displaying the error code Shut off the power supply rotate the fan by hand Does it rotate properly The unit operates normally Find out the cause and have it solved For example check whether the fan is blocked or the bearing is broken Check the wires of fan motor Are all the connections good No Yes No Correct the connections No Check w...

Page 39: ...control chip is in outdoor PCB Power on and check if the fan can run normally if the fan can run normally the PCB must has problems and need to be replaced If the fan can t run normally measure the resistance of each two pins If the resistance is not equal to each other the fan motor must have problems and need to be replaced otherwise the PCB must has problems and need to be replaced 3 Indoor AC ...

Page 40: ...urn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Trouble shooting Is there cool air blowing out from indoor air outlet Yes Yes Check if T2 sensor is well fixed Correct the installation or replace T2 sensor Does the problem remain again No Is there any leakage Especially the connection parts such as the gas valve and the liquid valve No Shut off...

Page 41: ...ower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty PCB faulty Trouble shooting Check the connections between temperature sensor and main PCB Are the connections good Correct the connections No Yes Yes Replace indoor or outdoor main PCB Replace the sensor Check the resistance value of the sensor is it normal No ...

Page 42: ...lty Wiring mistake Compressor malfunction Trouble shooting Check the power supply Is it normal Check the connections and wires Is it well connection Stop the unit Check the power supply No Yes No Correct the connections or replace the wires Yes Replace the outdoor main PCB Yes Check the reactor Is it normal No Replace the reactor Is there any blocking No Yes Clear the blockage Check the compressor...

Page 43: ...in PCB and compressor If the wires and connectors are broken Correct the connection or replace the wires and connectors Yes No IPM continuity check Check if the IPM terminal resistance values are uniform Replace the IPM board or replace the main PCB if the IPM board and main PCB are integrated together No Check if the outdoor fan runs properly or the outdoor unit ventilation is good Yes No Please ...

Page 44: ...ytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Digital tester Normal resistance value Red Black Several MΩ Red Black Several MΩ P N U N U V V W W Red ...

Page 45: ...ections and wires are good Disconnect the unit with power supply and try to restart the unit when power supply gets normal No Yes No Correct the connections or replace the wires Yes Power on and when the unit is in standby check if the voltage between P and N is around DC 310V or 340V or 380V For different kinds of units the voltage differs Consult with technical engineer to get definite value The...

Page 46: ... CompTop port on the PCB connects with a sensor Check if the CompTop port on the PCB connects with a sensor Yes Correct the connection Correct the connection Check refrigerant system Check refrigerant system Please refer to the solution of High temperature protection of compressor top malfunction Please refer to the solution of High temperature protection of compressor top malfunction No Check if ...

Page 47: ...0 minutes later Check if the temperature of compressor Is normal No Check if the refrigerant system is normal Repair the refrigerant system Replace the outdoor control PCB Yes Check if all the connection especially the connection of OLP Over Load Protector sensor is good Correct the connection No Measure the resistance between the two ports of the OLP Is it zero Yes Replace the OLP No Replace the ...

Page 48: ...connected well Correct the connection or replace the wires and connectors No Yes Check if the IPM installed correctly Correct the installation tighten the screws and apply silicon grease No IPM continuity check Check if the IPM terminal resistance values are uniform Yes Replace the IPM board or replace the main PCB if the IPM board and main PCB are integrated together No Check if the outdoor fan r...

Page 49: ... from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter ...

Page 50: ... 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 252 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 123 253 0 33246 4 39 28 3459 44 111 4 3873...

Page 51: ... 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 155 2 43 109 25 86 83 181 6 228 123 253...

Page 52: ...e resistance value of each winding by using the tester Position Resistance Value ASN98D22U FZ ASM98D32U FZ ASM135D23 UFZ ATF235D22 UMT ATF250D22 UMT Blue Red 1 57Ω 20 68 2 3Ω 20 68 1 75Ω 20 68 0 75Ω 20 68 0 75Ω 20 68 Blue Black Red Blue ...

Page 53: ...M Pyrenees 160101 ...

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