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Argo AFSI ECO 120HL UI Service Manual

X3 floor standing air conditioners r32 - wifi
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SERVICE MANUAL
R UNIT
AFSI ECO 120HL
Please read this manual carefully before installing and using the air conditioner, and retain for
future reference.
X3 FLOOR STANDING
AIR CONDITIONERS
R32 - WIFI
V 09/22
OUTDOOR UNIT
AFSI ECO 120SH3 UO

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Summary of Contents for Argo AFSI ECO 120HL UI

  • Page 1 X3 FLOOR STANDING AIR CONDITIONERS R32 - WIFI SERVICE MANUAL R UNIT OUTDOOR UNIT AFSI ECO 120SH3 UO AFSI ECO 120HL Please read this manual carefully before installing and using the air conditioner, and retain for future reference. V 09/22...

  • Page 2: Error Code List

    Error Code List Applicable model: split type and floor standing unit Display method of indoor unit Malfunction Indicator display AC status Possible causes Error name Power Cool Heat code indicator indicator indicator Flash Malfunction of The complete unit stops operation 1. Jumper cap is not installed in control panel; jumper cap 2.
  • Page 3 Display method of indoor unit Malfunction Indicator display AC status Possible causes Error name Power Cool Heat code indicator indicator indicator Flash Liquid valve 1. Temperature sensor is not well connected or damaged; (refer temperature to Page 33 “Table 2”) times sensor is ON / 2.
  • Page 4 Display method of indoor unit Malfunction Indicator display AC status Possible causes Error name Power Cool Heat code indicator indicator indicator Flash 5 Outdoor air Complete unit stops operation; 1. The exhaust temperature sensor is not connected well or times discharge motor of sliding door is cut off damaged.
  • Page 5 Display method of indoor unit Malfunction Indicator display AC status Possible causes Error name Power Cool Heat code indicator indicator indicator Flash Module Cool: compressor stops 1. Air inlet / air outlet of outdoor unit are blocked by filth or dirt; overheating operation, while indoor fan 2.
  • Page 6 Display method of indoor unit Malfunction Indicator display AC status Possible causes Error name Power Cool Heat code indicator indicator indicator Evaporator Not error code, it is the status code in cooling process anti-freezing protection Anti cold air Not error code, it is the status code in heating process protection Flash Defrosting...
  • Page 7 Display method of indoor unit Indicator Malfunction AC status Possible causes display name Error code Status Heat indicator (PTAC) Lacking fluorine Cool and dry: 1. Heat exchanger is too dirty/blocks the air inlet/outlet; protection compressor and outdoor fan stops 2. Compressor operation is abnormal, strange noise or leakage operation, while indoor fan operates;...
  • Page 8 Display method of indoor unit Indicator Malfunction name AC status Possible causes display Error code Status Heat indicator (PTAC) Circuit of All loads stop 1. Temperature limiter is fused; temperature limiter 2. Load connecting wire of electrical heater is disconnected. is disconnected See Page 30 “Circuit of temperature limiter is disconnected”...
  • Page 9 Display method of indoor unit Indicator Malfunction name Operation status Possible causes Error display code Full water Temperature and humidity sensor All loads stop Temperature sensor is not well connected or is damaged (refer to Temperature sensor is open/ Page 34 “Table 4”) short-circuited Communication error of Temperature sensor is not well connected or is damaged...
  • Page 10 Flow Chart of Troubleshooting for Main Malfunctions 1. Troubleshooting for jumper cap Main check points: (1) jumper cap (2) control board of indoor unit Display shows “C5” Check whether the main Insert the equipped board of controller is inserted with jumper cap jumper cap.

  • Page 11: Communication Malfunction

    2. Communication malfunction 2.1 Communication error of indoor and outdoor unit Main check points: (1) Connection wire between indoor unit and outdoor unit (2) Wiring inside the unit (3) Communication circuit of control board of indoor unit (4) Communication circuit of control board of outdoor unit Start Check whether the unit has operated normally before...
  • Page 12 2.2 Communication error between wired controller and indoor unit Main check points: (1) Connection wire of wired controller (2) Wiring terminal (3) Wired controller (4) Main board of indoor unit Start Check whether the Connect the wired controller and connection wire of wired controller indoor unit correctly according to and main board of the indoor the circuit diagram firmly...

  • Page 13: Ipm Protection

    3. IPM protection , over-phase current of compressor Main check points: (1) compressor COMP terminal (2) power supply voltage (3) compressor (4) charging amount of refrigerant (5) air inlet and air outlet of indoor/outdoor unit NOTE:The control board as below means the control board of outdoor unit. Put through the power and turn on the unit...

  • Page 14: High Discharge Temperature

    4. Overload protection of compressor , high discharge temperature protection of compressor 4.1 Overload protection of compressor, high discharge temperature protection of compressor (split type and floor standing unit) Main check points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector NOTE:The control board as below means the control board of outdoor unit.
  • Page 15 4.2 Overload protection (window type, TTW, PTAC, portable type, recreational vehicle AC and dehumidifier) Main check points: (1) Compressor (2) Refrigerant (3) Whether the air inlet/outlet, heat exchanger and internal system is dirty and blocked (4) Fan (5) Main board Start Heat exchanger is too dirty, Clean the heat exchanger...
  • Page 16 5.Troubleshooting for temperature sensor Troubleshooting for Temperature and humidity sensor 5.1Temperature sensor error Main check points: (1) connection terminal (2) temperature sensor (3) main board Start Check whether the connection terminal between the temperature sensor and the control board is loose or not connected well.
  • Page 17 5.2 Malfunction of temperature and humidity sensor (dehumidifier) Main check points: (1) connection terminal (2) inspection board (3) control board Start Check if the connection terminal between the Insert the inspection inspection board and control board board is loose or not connected well Eliminate malfunction...
  • Page 18 6.High temperature prevention protection ; high power ; system is abnormal 6.1 High temperature, overload, high power and abnormal system Main check points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit NOTE:The control board as below means the control board of outdoor unit. Overload protection, high temperature prevention protection...
  • Page 19 6.2 Overload (window type, TTW, PTAC, portable type and recreational vehicle AC) Main check points： (1) compressor (2) refrigerant (3) air inlet/outlet, heat exchanger and internal system is dirty and blocked (4) fan (5) operation environment Start The air conditioner should operate under low ambient Operation environment is...
  • Page 20 7.Desynchronization diagnosis for compressor Main check point: (1) system pressure (2) power supply voltage NOTE:The control board as below means the control board of outdoor unit. Desynchronization occurs Desynchronization occurs during operation after turning on the unit Check whether the fan Replace the fan Does the outdoor fan operate terminal OFAN is...
  • Page 21 8.Malfunction diagnosis for failure startup Main check points: (1) compressor wire (2) compressor (3) charging amount of refrigerant NOTE:The control board as below means the control board of outdoor unit. Put through the power and turn on the unit The time for stop operation is not enough and the system's high pressure and low pressure is Check whether the compressor unbalanced.
  • Page 22 9. Charging malfunction of capacitor Main check points: (1) wiring board XT (2) reactor NOTE:The control board as below means the control board of outdoor unit. Put through the power to turn on the unit and then wait for 1min Measure the voltage at both ends of electrolytic capacitor with DC voltmeter.
  • Page 23 10. Troubleshooting-motor(indoor fan) doesn't operate Main check points: (1) connection terminal (2) motor (3) control board AP1 of indoor unit (4) blade 10.1 DC motor Display shows "H6" Pull the blade with hand under de-energization status Check whether the Adjust the motor and the blade blade operates smoothly to make the motor operate smoothly.
  • Page 24 10.2 PG motor Display shows "H6" Pull the blade with hand under de- energization status Adjust the motor and Check whether the blade to make the the blade operates blade operate smoothly smoothly. Eliminate malfunction Check whether Insert the feedback the feedback terminal of terminal again indoor fan's motor...
  • Page 25 11. AC overcurrent protection Start The normal fluctuation is about 10% of rated Eliminate malfunction The power voltage is unstable. voltage on the nameplate. The power voltage is too low and the Adjust the power voltage to make it normal. Eliminate malfunction load is too high.
  • Page 26 12. Electrical heating operation error (window type) / relay adhesion error (PTAC) 12.1 Electrical heating operation error (window type) Main check points: (1) electrical heating tube (2) main board (3) wiring method Start Inspect and conduct wiring again Wrong wiring? by referring to the wiring diagram Eliminate malfunction...
  • Page 27 12.2 Relay adhesion error (PTAC) Main check points: (1) wiring diagram (2) main board Start Check if the wiring Energization test connection and insertion is normal Eliminate malfunction Connect and insert wiring again according to the wiring diagram Energization test Replace with a new controllerwith the same model...
  • Page 28 13. Current imbalance error (PTAC) Main check points: (1) wiring (2) main board Start Check if the wiring Energization test connection and insertion is normal? Eliminate malfunction Connect and insert wiring again according to the wiring diagram Check each ports of electrical heating Energization test and the insulation resistance of unit casing to see if they are...
  • Page 29 14. Combination method of electrical heating is incorrect Main check points: (1) wiring (2) main board (3) power cord Start Check if the wiring Energization test connection and insertion is normal Eliminate malfunction Connect and insert wiring again according to the wiring diagram Check if the jumper wire of Energization test power cord connector is correct...
  • Page 30 15. Operation current of electrical heating is abnormal Main check points: (1) wiring (2) main board (3) electrical heating Start Check if the wiring Energization test connection and insertion is normal Eliminate malfunction Connect and insert wiring again according to the wiring diagram Measure the resistance of Energization test each electrical heater to see if it’s...
  • Page 31 16. Circuit of temperature limiter is disconnected Main check points: (1) wiring (2) main board (3) electrical heater Start Check if the wiring Energization test connection and insertion is normal Eliminate malfunction Connect and insert wiring again according to the wiring diagram Measure the resistance of each Energization test electrical heater to see if it’s normal...
  • Page 32 17. Troubleshooting on full water protection (portable type), flashing full water light (dehumidifier) Main check points: (1) Structural parts of water tank switch (2) Connection wire of liquid level switch (3) Component of liquid level switch (4) Main board Start Unplug the rubber plug / pour the Full water in water tank water out from the water tank...
  • Page 33 18. Water pump protection error (dehumidifier) Main check points: (1) Water inlet/outlet of water pump (2) Water pump component and connection wire (3) Component of liquid level switch (4) Main board Start Clean the water inlet/outlet Water inlet/outlet is blocked Eliminate malfunction Wire connection...
  • Page 34 Table 1. Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Resistance Resistance Resistance Resistance Temp. Temp. Temp. Temp. kΩ kΩ kΩ kΩ 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90 36.32 14.36 6.28 92.22 32.94...
  • Page 35 Table 4. Resistance Table of Temperature and Humidity Sensor and Ambient Temperature Sensor (100K) Resistance Resistance Resistance Resistance Temp. Temp. Temp. Temp. kΩ kΩ kΩ kΩ 357.92 124.96 53.14 829.26 293.06 114.22 49.04 743.64 265.56 104.51 45.30 667.69 240.87 95.71 41.88 600.20 218.68...
  • Page 36 Table 6. Torque table of connection Table 7. Connection pipe table: pipe: Max. length of Max. External Torque Cooling capacity connection drop diameter(mm) (N.m) pipe 15~20 Φ6(1/4") 5000Btu/h（1465W） 30~40 Φ9.52(3/8") 7000Btu/h（2051W） 45~55 Φ12(1/2") 9000Btu/h（2637W） 60~65 Φ16(5/8") 12000Btu/h（3516W） 70~75 Φ19(3/4") 18000Btu/h（5274W） 24000Btu/h（7032W）...
  • Page 37 REGULATION (EU) No. 517/2014 - F-GAS The unit contains R32, a fluorinated greenhouse gas with global warming potential (GWP) = 675.  Do not  release R32 into the atmosphere. ...

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Afsi eco 120sh3 uo