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                                                                                                        TROUBLESHOOTING

 

 

JMF  Series                                                        49                                                        Version      -  1 

10.2.5 Refrigerant Leakage Detection diagnosis and solution 

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 the power supply and 

turn it on 5 seconds 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.)

 

Summary of Contents for Electra ELAU-VMF007-H11

Page 1: ...door Units ELSI JMF007 N11 ELAU VMF007 H11 ELSI JMF009 N11 ELAU VMF009 H11 ELSI JMF012 N11 ELAU VMF012 H11 ELSI JMF018 N11 ELAU VMF018 H11 ELSI JMF024 N11 ELAU VMF024 H11 REFRIGERANT R410A HEATPUMP RE...

Page 2: ...th and the elevation 22 7 4 Installation for the first time 22 7 5 Adding the refrigerant after running the system for many years 26 7 6 Re installation while the indoor unit need to be repaired 26 7...

Page 3: ...ore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not install rem...

Page 4: ...n Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure When the product is soaked contact an authorized service center Th...

Page 5: ...the product Do not touch the metal parts of the product when removing the air filter They are very sharp Do not step on or put anything on the product outdoor units Always insert the filter securely...

Page 6: ...18k ELSI JMF018 N11 ELAU JMF018 H11 21k ELSI JMF024 N11 ELAU JMF024 H11 Cold catalyst filter Silver Ico Filter O Vitamin C Filter O 3M HAM Filter O Bio Filter O Golden Fin O Ionizer O Compressor Crank...

Page 7: ...Condensate drain tube I D mm 16 Dimensions WxHxD mm 715x250 x188 Weight kg 6 5 Package dimensions LxWxH mm 775x324 x260 Packaged weight kg 8 5 Stacking height units 8 OUTDOOR Refrigerant control Capil...

Page 8: ...te drain tube I D mm 16 Dimensions WxHxD mm 715 x250x188 Weight kg 6 5 Package dimensions LxWxH mm 775x260x324 Packaged weight kg 8 5 Stacking height units 8 OUTDOOR Refrigerant control Capillary Comp...

Page 9: ...ensate drain tube I D mm 16 Dimensions WxHxD mm 800 x275x188 Weight kg 8 Package dimensions LxWxH mm 865x265x350 Packaged weight kg 10 Stacking height units 8 OUTDOOR Refrigerant control Capillary Com...

Page 10: ...ate drain tube I D mm 16 Dimensions WxHxD mm 940 x275x205 Weight kg 12 Package dimensions LxWxH mm 1015x265x350 Packaged weight kg 15 5 Stacking height units 8 OUTDOOR Refrigerant control Capillary Co...

Page 11: ...sate drain tube I D mm 16 Dimensions WxHxD mm 1045 x315x235 Weight kg 12 Package dimensions LxWxH mm 1135x395x315 Packaged weight kg 15 5 Stacking height units 8 OUTDOOR Refrigerant control Capillary...

Page 12: ...JMF Series 12 Version 1 4 Dimension 4 1 Indoor Unit W D H Model W D H ELSI JMF007 N11 715 188 250 ELSI JMF009 N11 715 188 250 ELSI JMF012 N11 800 188 275 ELSI JMF018 N11 940 205 275 ELSI JMF024 N11 10...

Page 13: ...l L mm R mm H mm Dimension of installation hole mm ELSI JMF007 N11 85 88 45 65 ELSI JMF009 N11 ELSI JMF012 N11 100 95 45 ELSI JMF018 N11 110 100 45 Model L mm R mm H mm Dimension of installation hole...

Page 14: ...n 200cm More than 30cm More than 60cm Service space Fence or obstacles Model W D H W1 A B ELAU JMF007 H11 700 240 540 757 458 250 ELAU JMF009 H11 700 240 540 757 458 250 ELAU JMF012 H11 780 250 540 84...

Page 15: ...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...

Page 16: ...WIRING DIAGRAM JMF Series 16 Version 1 6 Wiring Diagram 6 1 Indoor Unit ELSI JMF007 N11 ELSI JMF009 N11 ELSI JMF012 N11 ELSI JMF018 N11...

Page 17: ...WIRING DIAGRAM JMF Series 17 Version 1 ELSI JMF024 N11...

Page 18: ...WIRING DIAGRAM JMF Series 18 Version 1 6 2 Outdoor Unit ELAU JMF007 H11 ELAU JMF009 H11 ELAU JMF012 H11...

Page 19: ...WIRING DIAGRAM JMF Series 19 Version 1 ELAU JMF018 H11...

Page 20: ...WIRING DIAGRAM JMF Series 20 Version 1 ELAU JMF024 H11...

Page 21: ...m 4700 479kgf cm 19 3 4 6500 663kgf cm 6700 683kgf cm 7 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance...

Page 22: ...8 20 20 ELSI JMF012 N11 ELAU JMF012 H11 1 2 12 7 1 4 6 35 5 8 20 20 ELSI JMF018 N11 ELAU JMF018 H11 1 2 12 7 1 4 6 35 5 10 25 20 ELSI JMF024 N11 ELAU JMF024 H11 5 8 15 9 3 8 9 52 5 10 25 40 Caution T...

Page 23: ...connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 1 Air purging with vacuum pump 1 Completely tighten the flare nuts o...

Page 24: ...e 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve 2 Air purging by refrigerant Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Con...

Page 25: ...e 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...

Page 26: ...Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liq...

Page 27: ...he 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...

Page 28: ...flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by l...

Page 29: ...m pump to 3 way valve s service port 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0 1Mpa 4 Close the valve Low side on the charge set turn off the vacuum pump and...

Page 30: ...the valves Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant or can be charged with a little at a time a...

Page 31: ...ration 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 co...

Page 32: ...normal situation the setting temperature is displayed No temp display in fan mode 2 Shows SC when self clean function is activated FP when 8 C heating function is activated 3 Shows the alarm code whe...

Page 33: ...val should be between 6 13ms 9 3 4 Fan Speed is out of control When Indoor Fan Speed is too low lower than 300RPM lasting 2 minutes the unit stops and LED displays failure information and can t return...

Page 34: ...d then it will follow the below rules When indoor room temp T1 is lower than Tn the compressor and outdoor fan will shut off When T1 is higher than Tm the compressor and outdoor fan will start up Tm T...

Page 35: ...T2 keeps lower than TE5 for 5 minutes the compressor and outdoor fan will shut off When T2 is higher than TE6 the compressor and outdoor fan will restart up 9 4 2 5 High condenser temperature T3 prote...

Page 36: ...or fan will run following the compressor except when AC is in evaporator high temp protection in heating mode condenser high temp protection in cooling mode defrosting mode and the current protection...

Page 37: ...t to high med low auto And the anti cold wind function has the priority If the compressor stops caused by the room temperature rising and T2 TE1 6 the indoor fan will be forced to run at breeze for 12...

Page 38: ...lowing items is satisfied 1 If T3 TC1 and the compressor keeps running over 45 minutes Meanwhile T3 TC3 for 5minutes 2 After the last defrosting the time that the outdoor fan is off but the compressor...

Page 39: ...nning time is between 45 120 minutes Meanwhile the value of T2 T1 meets the below table T High speed THDEFROST Medium speed TMDEFROST Low speed TLDEFROST Breeze off No need to compare the T2 and T1 A2...

Page 40: ...w mode over 2 minutes meanwhile 1 2 and 1 3 is satisfied and the cumulative compressor running time is over 45 minutes AC will enter defrosting mode and the defrosting time is ten minutes Condition of...

Page 41: ...oom temperature is lower than 10 the compressor will stop and not resume until room temperature exceeds 13 8 4 5 3 The evaporator anti freezing protection is the same as that in cooling mode 9 4 6 For...

Page 42: ...etting is available 8 4 8 4 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the se...

Page 43: ...1 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 is unoccupi...

Page 44: ...fan speed has been out of control 5 times X E5 Indoor room temperature sensor T1 open circuit or short circuit 6 times X E6 Evaporator coil temperature sensor T2 open circuit or short circuit 7 times...

Page 45: ...ain PCB replace the main PCB directly Otherwise check whether the EEPROM chip plugged in main PCB well Yes No Yes Correct the connection Replace the indoor main PCB Shut off the power supply and turn...

Page 46: ...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...

Page 47: ...lue of the motor please contact the technical engineer Index2 1 Indoor AC Fan Motor Power on and set the unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of...

Page 48: ...olution 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 and c h e c k i...

Page 49: ...eplace 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 the power supply and turn it on 5 seconds...

Page 50: ...re Is the error still displaying after several minutes No Yes Change the outdoor main PCB Power on Is the error extinguished Check all the wirings between indoor and outdoor indoor main PCB and outdoo...

Page 51: ...Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter Table1 Some frequently used R T data for T1 T2 T3 and T4 senso...

Page 52: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 52 Version 1 11 Exploded View 11 1 Indoor unit ELSI JMF007 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 53: ...0952 13 Bearing base 1 202719900606 14 Cross flow fan 1 201100200320 15 Horizontal louver 1 201132391076 16 Chassis assembly 1 201132392599 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 20111...

Page 54: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 54 Version 1 ELSI JMF009 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 55: ...0952 13 Bearing base 1 202719900606 14 Cross flow fan 1 201100200320 15 Horizontal louver 1 201132391076 16 Chassis assembly 1 201132392599 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 20111...

Page 56: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 56 Version 1 ELSI JMF012 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 57: ...fan 1 201100200306 15 Horizontal louver 1 201132591044 16 Chassis assembly 1 201132591057 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 201119900949 18 Installation plate 1 201232590037 19 E...

Page 58: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 58 Version 1 ELSI JMF018 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 59: ...0952 13 Bearing base 1 202719900606 14 Cross flow fan 1 201100200322 15 Horizontal louver 1 201132790665 16 Chassis assembly 1 201132790680 16 1 Louver motor 1 202400200031 17 Pipe clamp board 1 20111...

Page 60: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 60 Version 1 ELSI JMF024 N11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 61: ...532990058 13 Fan motor cover 1 201133090980 14 Fixing board of fan motor 1 201133090167 15 Asynchronous motor 1 202400401622 16 Bearing holder 1 201119900952 17 Bearing base 1 202719900606 18 Cross fl...

Page 62: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 62 Version 1 11 2 Outdoor unit ELAU JMF007 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 63: ...7200060 12 Top cover assembly 1 201237200275 13 Axial flow fan 1 201100300502 14 Asynchronous motor 1 202400400912 15 Supporter assembly of fan motor 1 201237200035 16 Left supporter 1 201237200271 17...

Page 64: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 64 Version 1 ELAU JMF009 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 65: ...n motor holder 1 201237200037 12 Top cover assembly 1 201237200275 13 Axial flow fan 1 201100310603 14 Asynchronous motor 1 202400400492 15 Supporter assembly of fan motor 1 201237200035 16 Left suppo...

Page 66: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 66 Version 1 ELAU JMF012 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 67: ...n motor holder 1 201237400055 12 Top cover assembly 1 201237400412 13 Axial flow fan 1 201100300502 14 Asynchronous motor 1 202400400723 15 Supporter assembly of fan motor 1 201237400049 16 Left suppo...

Page 68: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 68 Version 1 ELAU JMF018 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 69: ...flow fan 1 201100300534 14 Asynchronous motor 1 202400410505 15 Supporter assembly of fan motor 1 201237890017 16 Left supporter 1 201237400400 17 Partition board 1 201237890019 18 Electronic control...

Page 70: ...EXPLODED VIEWS AND SPARE PART LIST JMF Series 70 Version 1 ELAU JMF024 H11 ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST...

Page 71: ...orter assembly of fan motor 1 201237990016 16 Left supporter 1 201237900022 17 Partition board 1 201237990020 18 Electronic control box assembly 1 203338090130 18 1 Capacitor clip 1 201200100057 18 2...

Page 72: ...JMF Series 72 Version 1 SERVICE MANUAL JMF Series...

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