Malfunction

The followings are not malfunction

Water flowing sound is heard.

Shuru Shuru

When the air conditioner is started, when the compressor starts or stops during operation or when the air conditioner is stopped, it sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing sound of the refrigerant, and it is not a trouble.

Cracking sound is heard.

This is caused by heat expansion or contraction of plastics.

 

It smells.

Air which blows out from the indoor unit sometimes smells.

 

 

The smell results from residents of tobacco smoke or cosmetics

 

stuck inside of unit.

 

During operation,

When the air conditioner is used at restaurant etc. where dense

white fog comes

edible oil fume is always exists, white fog sometimes blows out

out of indoor unit.

of air outlet during operation.

 

 

In this case consult sales dealer for cleaning the heat exchanger.

It is switched into the FAN mode

To prevent frost from being accumulated on the indoor unit heat

during cooling.

exchanger, it is sometimes automatically switched to the FAN mode

 

but it will soon return to the cooling mode.

 

The air conditioner can not be

Even if the operation switch is turned on, cooling, dehumidifying

restarted soon after it stops.

or heating is not operable for three minutes after the conditioner is

Unit does

stopped. Because the protecting circuit is activated.

Wait for

(During this time air conditioner operates in fan

three

not start

minutes

 

mode.)

 

Air does not blow or the fan

When it is excessively cooled during dehumidifying, the blower

speed can not be changed during

automatically repeats reducing and lowering the fan speed.

 

dehumidifying

 

 

During operation, operation mode

Isn't the AUTO mode selected?

 

has changed over automatically.

In the case of AUTO mode, operation mode is changed automati-

 

cally from cooling to heating or vise-versa according to the room

 

temperature.

 

Water or steam generates from

This results when frost accumulated on the outdoor unit is removed

the outdoor unit during heating.

(during defrosting operation).

 

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Haier HDU-42HF03/H installation manual Followings are not malfunction

HDU-42HF03/H specifications

The Haier HDU-42HF03/H is a remarkable addition to the world of cooling and heating solutions, designed to meet diverse climate control needs in residential and commercial settings. This sleek and efficient ducted air conditioning unit combines advanced technology with reliability, ensuring optimal comfort for users throughout the year.

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In terms of features, the HDU-42HF03/H offers a user-friendly control interface, enabling easy temperature adjustments and mode selection. Smart home compatibility allows users to integrate the system into existing smart devices, providing enhanced control and convenience.

Overall, the Haier HDU-42HF03/H stands out as a reliable and efficient choice for those seeking a versatile air conditioning solution. With its blend of energy efficiency, advanced technology, and user-centric design, it is well-equipped to provide comfortable living and working environments year-round. Whether for cooling hot summers or efficiently heating during chilly winters, this unit is a commendable option for modern climate control needs.