Trouble shooting

Followings are not problems

Sound of water flowings are

During unit start and operation or at stop, a swishing

not problems.

or gurgling noise may be heard. This noise is generated

by refrigerant flowing in the system.

 

Sound of cracking is heard.

During unit operation, a cracking noise may be heard.

 

This noise is generated by the casing expanding or

 

shrinking because of temperatuer changes.

Smells are generated.

This is because the system circulates smells from the

 

interior air such as the smell of cigarettes or the

 

painting on the unit.

During operation, white fog or

When unit is running at places like restaurant where

steam comes out of indoor unit.

dense edible oil fumeis always exist, this will happen.

In cooling operation, unit switches to fan

To prevent frost from accumulating on indoor heat

operation.

exchanger, unit will switch to fan operation for a while

then resume cooling operation.

 

Unit will not restart after stop.

Though ON/OFF button is set

Won't start?

to ON, unit won't resume cooling,

 

dry or heating operation

 

in 3 min after it is stopped, this

 

is because of 3-min-delay

 

protection circuit.

 

Please wait 3 minutes

No outlet air or fan speed can't be changed

Unit will reduce fan speed repeatedly and automatically

in dry mode.

if room temp. is too low in dry operation.

In heating operation, water or steam are

This occurs when frost accumulated

blown out of indoor unit.

on the outdoor unit is removed.

 

(during defrosting operation)

In heating operation, indoor fan won't stop even if unit is stopped.

After unit stops, indoor fan will go on running until indoor unit cools down.

20

Page 21 Page 23
Page 22
Image 22
Haier AP42NACMAA, AP42NACAAA, HPU-44H03, HPU-42C03, AU42NAIAAA, AU42NAIMCA Trouble shooting, Followings are not problems
Page 21 Page 23

AP42NACAAA, HPU-42C03, HPU-44H03, 0010571223, AP42NACMAA specifications

The Haier AU42NAIAAA, AU42NAIMCA, AP42NACMAA, 0010571223, and HPU-44H03 are part of Haier's innovative range of air conditioning units designed to offer optimal comfort and efficiency for both residential and commercial applications. These models boast advanced technologies and features that ensure superior performance in various climate conditions.

One of the standout features of these units is their energy efficiency. Utilizing inverter technology, these air conditioners can alter their compressor speed according to the ambient temperature, reducing energy consumption significantly while maintaining the desired temperature. This results in lower electricity bills and a smaller carbon footprint, making them an eco-friendly choice.

The Haier air conditioning models also come equipped with a sophisticated air filtration system. This system effectively removes dust, allergens, and other airborne pollutants, promoting cleaner and healthier indoor air quality. The filters are washable and replaceable, ensuring long-term maintenance is straightforward and cost-effective.

Another impressive characteristic is their cooling and heating capabilities. Designed for year-round use, these units can provide not only reliable cooling during the hot summer months but also efficient heating during winter. This dual functionality makes them a versatile solution for varying climate conditions, enhancing comfort across different seasons.

In terms of design, the Haier AU42NAIAAA and AU42NAIMCA feature a sleek, modern aesthetic that can seamlessly blend with various interior decors. Their compact size allows for easy installation, whether mounted on a wall or set up as a floor model. Additionally, the intuitive control panel provides users with the ease of operation through accessible buttons and LED displays.

These units also support smart technology integration. Users can connect them to smart home systems enabling remote operation via smartphones or voice-activated devices. This added convenience allows homeowners and business operators to monitor and adjust their air conditioning settings from anywhere, enhancing user experience and comfort.

Lastly, the durability of these models is noteworthy. Constructed with high-quality materials, Haier air conditioners are designed to withstand challenging environmental conditions, ensuring long-lasting performance. Their reliability, combined with advanced features and technologies, makes the Haier AU42NAIAAA, AU42NAIMCA, AP42NACMAA, 0010571223, and HPU-44H03 excellent choices for efficient climate control solutions.
Top Page Image Contents