Hisense AUD-48UX6SPHH User Manual (English)

Other manuals for Hisense AUD-48UX6SPHH

Service Manual115 pages

Technical & Service Manual136 pages

Questions and Answers:

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sandracamposAug 20, 2025
What to do if my Hisense AUD-48UX6SPHH has communication failure between the indoor and outdoor unit?
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  Joyce OconnorAug 21, 2025
  If your Hisense Air Conditioner is experiencing communication failures between the indoor and outdoor units, it could be due to: * Incorrectly connected cables. Reconnect the connection cable according to the wiring diagram. * Loose communication cables. Reconnect the communication cables, ensuring connections are secure at both the control boards and terminals. * Faulty communication cables. Replace the communication cables. * A faulty indoor control board. Consider replacing the indoor control board. * A faulty outdoor control board. Replace the outdoor control board.
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hammondkaitlynAug 22, 2025
What to do if my Hisense Air Conditioner is cooling or heating with overload?
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  David DavisAug 22, 2025
  If your Hisense Air Conditioner experiences cooling freezing protection (indoor coil temperature too low) or heating overload (indoor coil temperature too high), consider the following: * Ensure the indoor unit can blow air normally by checking the fan, motor, and evaporator. * Make sure the room temperature isn't too low in cooling mode or too high in heating mode. * Clean the filter. * Check the duct resistance, volume control valve, and duct length. * Increase the fan speed. * Verify the indoor unit installation meets standard requirements, adjusting the distance from walls or ceilings as needed.
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Timothy NelsonAug 25, 2025
What to do if my Hisense Air Conditioner compressor overload protector operates?
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  Oscar MorenoAug 25, 2025
  If the compressor overload protector in your Hisense Air Conditioner is activated, here's what you should check: * Loose wiring: Ensure the overload protector's wiring is securely connected. Reconnect if necessary. * Faulty protector: Replace the overload protector if it's defective. * Refrigerant levels: Check for leaks and recharge the refrigerant if it's low. * Installation pipe length: For excessively long pipes, add more refrigerant. * Expansion valve: Replace the expansion valve if it's failing. * Outdoor control board: A failing control board might need replacement.
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cperkinsAug 26, 2025
What to do if my Hisense Air Conditioner unit turns off for high pressure protection?
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  Ray PattonAug 26, 2025
  If your Hisense Air Conditioner shuts down due to high pressure protection, it might be caused by: * Loose wiring on the high-pressure protector: Reconnect the wiring. * A faulty high-pressure protector: Replace the protector. * An abnormal outdoor control board: Replace the outdoor control board. * Overload in cooling or heating modes: Refer to the notes regarding overload conditions.
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Richard Arnold PhDAug 27, 2025
What to do if my Hisense AUD-48UX6SPHH Air Conditioner unit turns off for low pressure protection?
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  robert84Aug 27, 2025
  If your Hisense Air Conditioner is shutting down due to low pressure protection, consider the following: * A faulty low-pressure switch: Replace the switch. * Loose wiring: Reconnect the wiring of the low-pressure switch. * Insufficient refrigerant: Check for leaks and add refrigerant. * Expansion valve failure: Replace the expansion valve if it's faulty in heating mode. * Abnormal outdoor control board: Replace the outdoor control board.
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Jonathon GordonAug 29, 2025
Why does my Hisense Air Conditioner show an EE data fault?
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  laurawilsonAug 29, 2025
  An EE data fault on your Hisense Air Conditioner can be due to: * A faulty EE component: Consider replacing the EE component. * Failure in the EE component control circuit: Replacing the outdoor control board components may resolve this. * Incorrect insertion of the EE component: Try reassembling the EE component correctly.
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Oscar ByrdAug 31, 2025
What to do if my Hisense AUD-48UX6SPHH Air Conditioner has U phase current fault?
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  Chelsey GreenAug 31, 2025
  If your Hisense Air Conditioner reports a U phase current fault, check these potential causes: * Faulty or incorrectly connected compressor U phase power cord: Replace or reconnect the cord according to the wiring diagram. * Faulty outdoor control board: Consider replacing the outdoor control board. * Faulty compressor: The compressor itself may need replacement.
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Jesus WolfeSep 2, 2025
What to do if my Hisense AUD-48UX6SPHH Air Conditioner has V phase current fault?
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  Matthew BatesSep 2, 2025
  If your Hisense Air Conditioner is showing a V phase current fault, here are the possible causes and solutions: * Check the compressor V phase power cord: Ensure it is correctly connected and not faulty. Replace or reconnect as needed, referring to the wiring diagram. * Outdoor control board: A fault here could be the issue. Consider replacing the outdoor control board. * Compressor fault: The compressor itself may be failing, requiring replacement.
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Kevin BaileySep 3, 2025
What causes AC voltage to be abnormal in my Hisense AUD-48UX6SPHH Air Conditioner?
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  Ryan BlevinsSep 3, 2025
  Abnormal AC voltage in your Hisense Air Conditioner can be due to: * AC voltage outside the range of 160V to 275V: This is a normal protection response; check the power supply. * Abnormal AC voltage in the sampling circuit on the drive board: Replace the drive board.
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Daniel McintyreSep 5, 2025
Why my Hisense AUD-48UX6SPHH phase current imbalance fault?
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  Robert SmithSep 5, 2025
  A phase current imbalance fault in your Hisense Air Conditioner can be caused by: * Supply voltage fluctuations exceeding 4%: This triggers normal protection. Other potential solutions include: * Reconnect the wire according to the wiring diagram. * Replace the AC contactor. * Replace the compressor.