Haier HSU-18HEK03-R2 Service Manual

Haier HSU-18HEK03-R2

70 pages

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SERVICE MANUAL

Order No.

ON/OFF EK-Series

Model No. HSU-18HEK03/R2

© (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

Other manuals for Haier HSU-18HEK03-R2

Operation Manual29 pages

Installation32 pages

Questions and Answers:

A
Ann GrahamJul 31, 2025
Why is my Haier Air Conditioner not cooling properly?
- J
  Jessica GreerJul 31, 2025
  Poor cooling in your Haier Air Conditioner can stem from several factors. Check if the air filter is dirty, as it should be cleaned every 15 days. Ensure there are no obstructions blocking the air inlet and outlet. Verify that the temperature is set correctly and that all doors and windows are closed. Direct sunlight can also impact cooling efficiency, so use curtains to block it. Finally, consider whether there are excessive heat sources or too many people in the room.
J
julianowensAug 7, 2025
Why does my Haier HSU-18HEK03-R2 smell?
- W
  Walter WhiteAug 7, 2025
  The smells generated by your Haier Air Conditioner are likely due to the system circulating odors from the indoor environment. This can include smells from furniture, paint, or even cigarettes.
M
Michael WarnerAug 15, 2025
Why is my Haier HSU-18HEK03-R2 making noise?
- T
  Tyler WilliamsAug 15, 2025
  The noises you hear from your Haier Air Conditioner can be attributed to several reasons. A swishing or gurgling sound during operation or when stopped is normal, caused by refrigerant flowing through the system. This is more noticeable in the first 2-3 minutes after the unit starts. A cracking noise during operation is due to the casing expanding or contracting with temperature changes. However, a big noise from air flow may indicate a dirty air filter.
P
Paul ChanAug 22, 2025
Why fan speed can’t be changed in dry mode on Haier HSU-18HEK03-R2?
- J
  Jason RichardsonAug 23, 2025
  In DRY mode, when the room temperature becomes lower than the set temperature plus 2 degrees Celsius, your Haier Air Conditioner will run intermittently at LOW speed regardless of the FAN setting.

Haier HSU-18HEK03-R2 Specifications

General

Brand	Haier
Model	HSU-18HEK03-R2
Category	Air Conditioner
Language	English

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