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Related Manuals for Electrolux EXI09HJIWI
Summary of Contents for Electrolux EXI09HJIWI
- Page 1 Service Manual Models: EXI09HJIWI/EXI09HJIWE EXI12HJIWI/EXI12HJIWE (Refrigerant R410A)
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Page 2: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Display of Indoor Unit Unit Name Code 0.5s Display Yellow Indicator Indicator Indicator except indoor fan operates, all loads stop operation. protection of system Antifreezing protection 3 times or refrigerant system 9 times compressor protection of 7 times... - Page 3 Service Manual Nominal cooling mode refrigerant refrigerant Indoor sensor is operation. Indoor Indoor fall internal fan motor stops operation sensor is sensor is 6 times condenser sensor is 5 times operation. compressor will sop after operating sensor is 7 times Limit/ decrease is decreased...
- Page 4 Service Manual Limit/ decrease All loads operate normally, speed is too low compressor is decreased 4 times antifreezing Voltage for 13 times operation. capacitor C on control panel (AP1), control panel (AP1) Voltage of range. is too low 12 times capacitor C on control panel (AP1), control panel (AP1) Compressor...
- Page 5 Service Manual protection please replace control panel AP1. Decrease is decreased resistant) operation Static protection 1. Wiring terminal OVC-COMP 33 protection for compressor 8 times operation. System is 6 times resistant) operation. analysis (IPM protection, loss protection 4 times operation. 10 times terminal.
- Page 6 Service Manual Compressor stop operation and Power protection 9 times power compressor will restart 16 times operation. 44 detection compressor dropping for of complete detection control panel AP1. operation. 2.Wiring terminal 4V is loosened or 3.4V is damaged, please replace Zerocrossing 49 limiting (power)
- Page 7 Service Manual Opera- tion of Zero-crossing remote inspection controller or control controller. panel is Zero-crossing detection motor Installation and Maintenance...
- Page 8 Service Manual Installation and Maintenance...
- Page 9 Service Manual Analysis or processing of some of the malfunction display: 1. Compressor discharge protection 2. Low voltage overcurrent protection 3. Communication malfunction 4. Sensor open or short circuit 5. Compressor over load protection 6. System malfunction 7. IPM module protection Installation and Maintenance...
- Page 10 Service Manual 9.2 Procedure of Troubleshooting Indoor Unit (1) Malfunction of Temperature Sensor F1, F2 Main detection points: Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip - over of...
- Page 11 Service Manual (2) Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: Start While power is off stir the blade with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Is malfunction...
- Page 12 Service Manual (3) Malfunction of Protection of Jumper Cap C5 Main detection points: Troubleshooting for C5 malfunction Appearance of Is there jumper cap on the the jumper cap mainboard ? Assemble the jumper cap with the same model Is malfunction eliminated the jumper cap inserted correctly and...
- Page 13 Service Manual (4) Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: Instant energization afte de-energization while the capacitordischarges slowly? Malfunction diagnosis process: Troubleshooting for U8 malfunction Turn power off for 1minute,the turn back on The unit returns to normal.
- Page 14 Service Manual Outdoor Unit (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated...
- Page 15 Service Manual (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring...
- Page 16 Service Manual (3)High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Overheat and high temperature protection Normal protection, please operate it after the outdoor ambient temp- Is outdoor ambient temperature higher than 53? erature is normalized.
- Page 17 Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail? Connect the wires as Are the wires for the compressor connected per the connection correctly? Is connection sequence right?
- Page 18 Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Out of step occurs in Out of step occurs once the operation unit is powered on. Check if the fan terminal Is stop time of the Replace the fan Is the outdoor fan working...
- Page 19 Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve wires correctly connected correctly? Resistances between the first four pins close to the terminal hole and the fifth...
- Page 20 Service Manual (7) Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Replace it as per the Whether there is any...
- Page 21 Service Manual (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor Is the connection right? units...
- Page 22 Service Manual (9) Malfunction of Overcurrent Protection E5 Main detection points: Start Is the supply voltage unstable Normal fluctuation should be within 10 % of the Malfunction is with big fluctuation? rated voltage on the nameplate eliminated Is the supply voltage too low Adjust the supply voltage to maintain it within Malfunction is Malfunction is...
- Page 23 Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up connected well. or poor connection for wiring terminals correctly once improper Repair or replace remote controller 2. Poor Cooling (Heating) for Air Conditioner motor is set too low conditioner Add refrigerant.
- Page 24 Service Manual 4. ODU Fan Motor Can't Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram damaged fan capacitor. 5. Compressor Can't Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram Capacity of compressor is...