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Haier 2HUM18HC03/R2 - User Manual

Haier 2HUM18HC03/R2
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SERVICE MANUAL
Order No.
EK-Series
© (Qingdao Haier Air Conditioner General corp.,Ltd)
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death
WARNING
Wall mounted Type
DC Inverter
Model No.
HSM07HEKC03/R2(DB)
HSM12HEKC03/R2(DB)
HSM09HEKC03/R2(DB)
HSM09HEKC03/R2(DB)
HSM07HEKC03/R2(DB)
HSM12HEKC03/R2(DB)
2HUM18HC03/R2(DB)
2HUM18HC03/R2(DB)outdoor unit
AC1012S002V0

Questions and Answers

  • M
    Melanie MeyerJul 31, 2025
    Why is my Haier Air Conditioner cooling poorly?
    • J
      jamesprestonJul 31, 2025
      Poor cooling in your Haier Air Conditioner can be due to several reasons: a dirty air filter (it should be cleaned every 15 days), obstacles blocking the inlet or outlet, incorrect temperature settings, open doors or windows, direct sunlight entering the room (use curtains), or too many heat sources or people in the room.
  • A
    Angela CollinsAug 8, 2025
    Why does my Haier 2HUM18HC03/R2 smell?
    • G
      George Briggs Jr.Aug 8, 2025
      The Haier Air Conditioner might be circulating smells from the room's interior, such as odors from furniture, paint, or cigarettes.
  • D
    Debra StanleyAug 15, 2025
    What to do if my Haier 2HUM18HC03/R2 Air Conditioner blows out mist or steam?
    • F
      franciswilsonAug 15, 2025
      During COOL or DRY operation, the Haier Air Conditioner may blow out mist due to the sudden cooling of indoor air. This is normal.
  • A
    Anthony WallaceAug 22, 2025
    Why can’t I change the fan speed in dry mode on my Haier Air Conditioner?
    • V
      Victoria GrossAug 22, 2025
      In DRY mode, when the room temperature becomes lower than the set temperature plus 2 degrees Celsius, the Haier Air Conditioner will run intermittently at LOW speed regardless of the fan setting.

Summary

Introduction and Safety

Safety Cautions and Precautions

General warnings, repair cautions, and post-repair safety checks.

Product Overview

Indoor Unit Operation Modes

Basic Operation Modes

Details automatic, cooling, demoisture, heating, strength, mute, and timing operations.

Outdoor Unit Control System

Compressor Frequency and Control

Explains compressor frequency control, starting, and calculation methods.

Installation and Maintenance

Installation Guide and Parts

Details installation steps, parts identification, and battery loading.

Cautions and Troubleshooting

Troubleshooting Common Issues

Provides common issues, their causes, and suggested checks for resolution.

Service Diagnosis and Error Codes

Covers diagnosis cautions, problem symptoms, error codes, and specific faults.

Haier 2HUM18HC03/R2 Specifications

General IconGeneral
Capacity1.5 Ton
RefrigerantR32
Energy Rating3 Star
Cooling Power Consumption1500 W
TypeSplit AC
EER (Energy Efficiency Ratio)3.5
FeaturesTurbo Cool

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