Hisense AUD-24UX4SALH1 Technical & Service Manual

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TECHNICAL&SERVICE MANUAL V3.3

—DC INVERTER AIR CONDITIONERS

MODEL:

AUD-18UX4SGKL

AUD-24UX4SZLH

AUD-36UX4SAMH

AUD-48UX6SPHH

AUD-60UX6SPHH

AUC-18UX4SGAA

AUC-24UX4SZEA

AUC-36UX4SAEA

AUC-48UX6SPFA

AUC-60UX6SPFA

AUC-18UR4SZAA1

AUC-24UR4SAEA1

AUC-36UR4SAEA1

AUV-18UR4SZA1

AUV-24UR4SAA1

AUV-36UR4SAB1

AUV-48UR6SPC

AUV-60UR6SPC

AUD-18UX4SZKL1

AUD-24UX4SALH1

AUD-36UX4SAMH1

Other manuals for Hisense AUD-24UX4SALH1

User And Installation Instructions49 pages

Service Manual115 pages

Questions and Answers:

N
nblackwellAug 20, 2025
What to do if my Hisense Air Conditioner has communication failure between the indoor and outdoor unit?
- A
  Amy YangAug 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.
J
Joshua LaneAug 22, 2025
What to do if my Hisense Air Conditioner is cooling or heating with overload?
- J
  Juan JamesAug 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.
S
Sarah GarrisonAug 25, 2025
What to do if my Hisense AUD-24UX4SALH1 compressor overload protector operates?
- C
  Christopher LopezAug 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.
B
Brian CallahanAug 27, 2025
What to do if my Hisense AUD-24UX4SALH1 Air Conditioner unit turns off for high pressure protection?
- S
  Scott AdamsAug 27, 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.
D
David RoblesAug 28, 2025
What to do if my Hisense Air Conditioner unit turns off for low pressure protection?
- J
  Jasmine Hawkins DDSAug 28, 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.
C
Christine GibsonAug 29, 2025
Why does my Hisense AUD-24UX4SALH1 show an EE data fault?
- A
  Angela RileyAug 30, 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.
A
Andrew TerryAug 31, 2025
What to do if my Hisense AUD-24UX4SALH1 has U phase current fault?
- C
  Cindy GutierrezAug 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.
R
Rachel SmithSep 2, 2025
What to do if my Hisense AUD-24UX4SALH1 has V phase current fault?
- M
  moorethomasSep 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.
C
Catherine HicksSep 4, 2025
What causes AC voltage to be abnormal in my Hisense AUD-24UX4SALH1 Air Conditioner?
- L
  Lori RyanSep 4, 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.
M
Michelle KingSep 5, 2025
Why my Hisense AUD-24UX4SALH1 phase current imbalance fault?
- R
  Rhonda GrimesSep 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.

Hisense AUD-24UX4SALH1 Specifications

General

Cooling Capacity	24000 BTU/h
Refrigerant	R32
Energy Efficiency Ratio (EER)	3.21
Power Supply	220-240V, 50Hz, 1Ph
Outdoor Unit Dimensions (W x H x D)	890 x 700 x 320 mm

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