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8.2.4 Refrigerant Leakage Detection diagnosis and solution(EC)

Error Code

Malfunction decision

conditions

Define the evaporator coil temp.T2 of the compressor just starts

running as Tcool.

In the beginning 8 minutes after the compressor starts up, if T2

＜

Tcool

－

℃

does not keep continuous 4 seconds and

compressor running frequency higher than 50Hz does not keep

continuous 3 minutes, and this situation happens 3 times, the

isplay area will show “EC” and AC will turn 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

Check if T2 sensor is well

fixed. Correct the installation

or replace T2 sensor. Does

the problem remain again?

Is there any leakage? Especially
the connection parts, such as the
gas valve and the liquid valve.

Shut off the power supply and
turn it on

2 minutes

later. Is it

still displaying the error code?

Replace indoor PCB.

Yes

Repair the leakage and

recharge the refrigerant.

Yes

Clear the blocking.

Yes

Is there any block i n g ? (Such as the
capillary or the welded points of the pipes.)

Содержание Pyrenees Series

Страница 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 YHKE3...

Страница 2: ...tion 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 installatio...

Страница 3: ...s 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...

Страница 4: ...vels 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...

Страница 5: ...he 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...

Страница 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 Compress...

Страница 7: ...ension 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 2...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 13: ...11 For YHKE18YJ6AMAO X...

Страница 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...

Страница 15: ...E 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 CHEC...

Страница 16: ...0 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 are...

Страница 17: ...5 15 YHKE12XJ6AMC RX YHKE12YJ6AMAO X 1 2 12 7 1 4 6 35 5 10 25 15 YHKE18XJ6AMC RX YHKE18YJ6AMAO X 1 2 12 7 1 4 6 35 5 20 30 15 YHKE24XJ6AMC RX YHKE24YJ6AMAO X 5 8 15 9 3 8 9 52 5 25 50 30 YHKE30XJ6AMC...

Страница 18: ...he 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...

Страница 19: ...om 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...

Страница 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...

Страница 21: ...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...

Страница 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...

Страница 23: ...itioner 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 t...

Страница 24: ...ode 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 i...

Страница 25: ...rking 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...

Страница 26: ...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...

Страница 27: ...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 Act...

Страница 28: ...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 sp...

Страница 29: ...s 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 Heati...

Страница 30: ...y 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...

Страница 31: ...iry 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...

Страница 32: ...1 139 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 val...

Страница 33: ...electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100 40W or soldering iron plug between terminals of the electrol...

Страница 34: ...s 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 ti...

Страница 35: ...CB 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 la...

Страница 36: ...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...

Страница 37: ...rk 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 r...

Страница 38: ...ff 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 th...

Страница 39: ...ontrol 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 res...

Страница 40: ...rn 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 i...

Страница 41: ...wer 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...

Страница 42: ...ty 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 Corre...

Страница 43: ...n 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 unifo...

Страница 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 resis...

Страница 45: ...ctions 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 t...

Страница 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...

Страница 47: ...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 connecti...

Страница 48: ...onnected 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 continu...

Страница 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 t...

Страница 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...

Страница 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...

Страница 52: ...the 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 57 20 68 2 3 20 68 1 75 20 68 0 75 20...

Страница 53: ...M Pyrenees 160101...

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